ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.DatePickerDialog;
  16import android.app.Fragment;
  17import android.app.FragmentManager;
  18import android.app.PendingIntent;
  19import android.app.TimePickerDialog;
  20import android.content.ActivityNotFoundException;
  21import android.content.Context;
  22import android.content.DialogInterface;
  23import android.content.Intent;
  24import android.content.IntentSender.SendIntentException;
  25import android.content.SharedPreferences;
  26import android.content.pm.PackageManager;
  27import android.content.res.ColorStateList;
  28import android.graphics.Color;
  29import android.icu.util.Calendar;
  30import android.icu.util.TimeZone;
  31import android.net.Uri;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.Handler;
  36import android.os.Looper;
  37import android.os.storage.StorageManager;
  38import android.os.SystemClock;
  39import android.preference.PreferenceManager;
  40import android.provider.MediaStore;
  41import android.text.Editable;
  42import android.text.SpannableStringBuilder;
  43import android.text.TextUtils;
  44import android.text.TextWatcher;
  45import android.text.style.ImageSpan;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.view.ContextMenu;
  49import android.view.ContextMenu.ContextMenuInfo;
  50import android.view.Gravity;
  51import android.view.LayoutInflater;
  52import android.view.Menu;
  53import android.view.MenuInflater;
  54import android.view.MenuItem;
  55import android.view.MotionEvent;
  56import android.view.View;
  57import android.view.View.OnClickListener;
  58import android.view.ViewGroup;
  59import android.view.inputmethod.EditorInfo;
  60import android.view.inputmethod.InputMethodManager;
  61import android.view.WindowManager;
  62import android.widget.AbsListView;
  63import android.widget.AbsListView.OnScrollListener;
  64import android.widget.AdapterView;
  65import android.widget.AdapterView.AdapterContextMenuInfo;
  66import android.widget.CheckBox;
  67import android.widget.ListView;
  68import android.widget.PopupMenu;
  69import android.widget.PopupWindow;
  70import android.widget.TextView.OnEditorActionListener;
  71import android.widget.Toast;
  72
  73import androidx.activity.OnBackPressedCallback;
  74import androidx.annotation.IdRes;
  75import androidx.annotation.NonNull;
  76import androidx.annotation.Nullable;
  77import androidx.annotation.StringRes;
  78import androidx.appcompat.app.AlertDialog;
  79import androidx.core.content.pm.ShortcutInfoCompat;
  80import androidx.core.content.pm.ShortcutManagerCompat;
  81import androidx.core.graphics.ColorUtils;
  82import androidx.core.view.inputmethod.InputConnectionCompat;
  83import androidx.core.view.inputmethod.InputContentInfoCompat;
  84import androidx.databinding.DataBindingUtil;
  85import androidx.documentfile.provider.DocumentFile;
  86import androidx.recyclerview.widget.RecyclerView.Adapter;
  87import androidx.viewpager.widget.PagerAdapter;
  88import androidx.viewpager.widget.ViewPager;
  89
  90import com.cheogram.android.BobTransfer;
  91import com.cheogram.android.EmojiSearch;
  92import com.cheogram.android.EditMessageSelectionActionModeCallback;
  93import com.cheogram.android.WebxdcPage;
  94import com.cheogram.android.WebxdcStore;
  95
  96import com.google.android.material.color.MaterialColors;
  97import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  98import com.google.common.base.Optional;
  99import com.google.common.collect.Collections2;
 100import com.google.common.collect.ImmutableList;
 101import com.google.common.collect.ImmutableSet;
 102import com.google.common.collect.Lists;
 103import com.google.common.collect.Ordering;
 104
 105import com.otaliastudios.autocomplete.Autocomplete;
 106import com.otaliastudios.autocomplete.AutocompleteCallback;
 107import com.otaliastudios.autocomplete.AutocompletePresenter;
 108import com.otaliastudios.autocomplete.CharPolicy;
 109import com.otaliastudios.autocomplete.RecyclerViewPresenter;
 110
 111import org.jetbrains.annotations.NotNull;
 112
 113import io.ipfs.cid.Cid;
 114
 115import java.io.File;
 116import java.net.URISyntaxException;
 117import java.util.AbstractMap;
 118import java.util.ArrayList;
 119import java.util.Arrays;
 120import java.util.Collection;
 121import java.util.Collections;
 122import java.util.HashSet;
 123import java.util.Iterator;
 124import java.util.List;
 125import java.util.Locale;
 126import java.util.Map;
 127import java.util.Set;
 128import java.util.UUID;
 129import java.util.concurrent.atomic.AtomicBoolean;
 130import java.util.regex.Matcher;
 131import java.util.regex.Pattern;
 132import java.util.stream.Collectors;
 133
 134import eu.siacs.conversations.Config;
 135import eu.siacs.conversations.R;
 136import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 137import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 138import eu.siacs.conversations.databinding.FragmentConversationBinding;
 139import eu.siacs.conversations.entities.Account;
 140import eu.siacs.conversations.entities.Blockable;
 141import eu.siacs.conversations.entities.Contact;
 142import eu.siacs.conversations.entities.Conversation;
 143import eu.siacs.conversations.entities.Conversational;
 144import eu.siacs.conversations.entities.DownloadableFile;
 145import eu.siacs.conversations.entities.Message;
 146import eu.siacs.conversations.entities.MucOptions;
 147import eu.siacs.conversations.entities.MucOptions.User;
 148import eu.siacs.conversations.entities.Presence;
 149import eu.siacs.conversations.entities.Presences;
 150import eu.siacs.conversations.entities.ReadByMarker;
 151import eu.siacs.conversations.entities.Transferable;
 152import eu.siacs.conversations.entities.TransferablePlaceholder;
 153import eu.siacs.conversations.http.HttpDownloadConnection;
 154import eu.siacs.conversations.persistance.FileBackend;
 155import eu.siacs.conversations.services.CallIntegrationConnectionService;
 156import eu.siacs.conversations.services.MessageArchiveService;
 157import eu.siacs.conversations.services.QuickConversationsService;
 158import eu.siacs.conversations.services.XmppConnectionService;
 159import eu.siacs.conversations.ui.adapter.CommandAdapter;
 160import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
 161import eu.siacs.conversations.ui.adapter.MessageAdapter;
 162import eu.siacs.conversations.ui.adapter.UserAdapter;
 163import eu.siacs.conversations.ui.util.ActivityResult;
 164import eu.siacs.conversations.ui.util.Attachment;
 165import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
 166import eu.siacs.conversations.ui.util.DateSeparator;
 167import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 168import eu.siacs.conversations.ui.util.ListViewUtils;
 169import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 170import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 171import eu.siacs.conversations.ui.util.PendingItem;
 172import eu.siacs.conversations.ui.util.PresenceSelector;
 173import eu.siacs.conversations.ui.util.ScrollState;
 174import eu.siacs.conversations.ui.util.SendButtonAction;
 175import eu.siacs.conversations.ui.util.SendButtonTool;
 176import eu.siacs.conversations.ui.util.ShareUtil;
 177import eu.siacs.conversations.ui.util.ViewUtil;
 178import eu.siacs.conversations.ui.widget.EditMessage;
 179import eu.siacs.conversations.utils.AccountUtils;
 180import eu.siacs.conversations.utils.Compatibility;
 181import eu.siacs.conversations.utils.Emoticons;
 182import eu.siacs.conversations.utils.GeoHelper;
 183import eu.siacs.conversations.utils.MessageUtils;
 184import eu.siacs.conversations.utils.MimeUtils;
 185import eu.siacs.conversations.utils.NickValidityChecker;
 186import eu.siacs.conversations.utils.PermissionUtils;
 187import eu.siacs.conversations.utils.QuickLoader;
 188import eu.siacs.conversations.utils.StylingHelper;
 189import eu.siacs.conversations.utils.TimeFrameUtils;
 190import eu.siacs.conversations.utils.UIHelper;
 191import eu.siacs.conversations.xml.Element;
 192import eu.siacs.conversations.xml.Namespace;
 193import eu.siacs.conversations.xmpp.Jid;
 194import eu.siacs.conversations.xmpp.XmppConnection;
 195import eu.siacs.conversations.xmpp.chatstate.ChatState;
 196import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 197import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 198import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 199import eu.siacs.conversations.xmpp.jingle.Media;
 200import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 201import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 202
 203import im.conversations.android.xmpp.model.stanza.Iq;
 204
 205import org.jetbrains.annotations.NotNull;
 206
 207import java.util.ArrayList;
 208import java.util.Arrays;
 209import java.util.Collection;
 210import java.util.Collections;
 211import java.util.HashSet;
 212import java.util.Iterator;
 213import java.util.List;
 214import java.util.Set;
 215import java.util.UUID;
 216import java.util.concurrent.atomic.AtomicBoolean;
 217import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 218
 219public class ConversationFragment extends XmppFragment
 220        implements EditMessage.KeyboardListener,
 221                MessageAdapter.OnContactPictureLongClicked,
 222                MessageAdapter.OnContactPictureClicked,
 223                MessageAdapter.OnInlineImageLongClicked {
 224
 225    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 226    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 227    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 228    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 229    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 230    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 231    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 232    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 233    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 234    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 235    public static final int REQUEST_SAVE_STICKER = 0x215;
 236    public static final int REQUEST_WEBXDC_STORE = 0x216;
 237    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 238    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 239    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 240    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 241    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 242    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 243    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 244
 245    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 246    public static final String STATE_CONVERSATION_UUID =
 247            ConversationFragment.class.getName() + ".uuid";
 248    public static final String STATE_SCROLL_POSITION =
 249            ConversationFragment.class.getName() + ".scroll_position";
 250    public static final String STATE_PHOTO_URI =
 251            ConversationFragment.class.getName() + ".media_previews";
 252    public static final String STATE_MEDIA_PREVIEWS =
 253            ConversationFragment.class.getName() + ".take_photo_uri";
 254    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 255
 256    private final List<Message> messageList = new ArrayList<>();
 257    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 258    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 259    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 260    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 261    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 262    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 263    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 264    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 265    public Uri mPendingEditorContent = null;
 266    protected MessageAdapter messageListAdapter;
 267    protected CommandAdapter commandAdapter;
 268    private MediaPreviewAdapter mediaPreviewAdapter;
 269    private String lastMessageUuid = null;
 270    private Conversation conversation;
 271    private FragmentConversationBinding binding;
 272    private Toast messageLoaderToast;
 273    private ConversationsActivity activity;
 274    private boolean reInitRequiredOnStart = true;
 275    private int identiconWidth = -1;
 276    private File savingAsSticker = null;
 277    private EmojiSearch emojiSearch = null;
 278    private final OnClickListener clickToMuc =
 279            new OnClickListener() {
 280
 281                @Override
 282                public void onClick(View v) {
 283                    ConferenceDetailsActivity.open(getActivity(), conversation);
 284                }
 285            };
 286    private final OnClickListener leaveMuc =
 287            new OnClickListener() {
 288
 289                @Override
 290                public void onClick(View v) {
 291                    activity.xmppConnectionService.archiveConversation(conversation);
 292                }
 293            };
 294    private final OnClickListener joinMuc =
 295            new OnClickListener() {
 296
 297                @Override
 298                public void onClick(View v) {
 299                    activity.xmppConnectionService.joinMuc(conversation);
 300                }
 301            };
 302
 303    private final OnClickListener acceptJoin =
 304            new OnClickListener() {
 305                @Override
 306                public void onClick(View v) {
 307                    conversation.setAttribute("accept_non_anonymous", true);
 308                    activity.xmppConnectionService.updateConversation(conversation);
 309                    activity.xmppConnectionService.joinMuc(conversation);
 310                }
 311            };
 312
 313    private final OnClickListener enterPassword =
 314            new OnClickListener() {
 315
 316                @Override
 317                public void onClick(View v) {
 318                    MucOptions muc = conversation.getMucOptions();
 319                    String password = muc.getPassword();
 320                    if (password == null) {
 321                        password = "";
 322                    }
 323                    activity.quickPasswordEdit(
 324                            password,
 325                            value -> {
 326                                activity.xmppConnectionService.providePasswordForMuc(
 327                                        conversation, value);
 328                                return null;
 329                            });
 330                }
 331            };
 332    private final OnScrollListener mOnScrollListener =
 333            new OnScrollListener() {
 334
 335                @Override
 336                public void onScrollStateChanged(AbsListView view, int scrollState) {
 337                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 338                        updateThreadFromLastMessage();
 339                        fireReadEvent();
 340                    }
 341                }
 342
 343                @Override
 344                public void onScroll(
 345                        final AbsListView view,
 346                        int firstVisibleItem,
 347                        int visibleItemCount,
 348                        int totalItemCount) {
 349                    toggleScrollDownButton(view);
 350                    synchronized (ConversationFragment.this.messageList) {
 351                        if (firstVisibleItem < 5
 352                                && conversation != null
 353                                && conversation.messagesLoaded.compareAndSet(true, false)
 354                                && messageList.size() > 0) {
 355                            long timestamp = conversation.loadMoreTimestamp();
 356                            activity.xmppConnectionService.loadMoreMessages(
 357                                    conversation,
 358                                    timestamp,
 359                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 360                                        @Override
 361                                        public void onMoreMessagesLoaded(
 362                                                final int c, final Conversation conversation) {
 363                                            if (ConversationFragment.this.conversation
 364                                                    != conversation) {
 365                                                conversation.messagesLoaded.set(true);
 366                                                return;
 367                                            }
 368                                            runOnUiThread(
 369                                                    () -> {
 370                                                        synchronized (messageList) {
 371                                                            final int oldPosition =
 372                                                                    binding.messagesView
 373                                                                            .getFirstVisiblePosition();
 374                                                            Message message = null;
 375                                                            int childPos;
 376                                                            for (childPos = 0;
 377                                                                    childPos + oldPosition
 378                                                                            < messageList.size();
 379                                                                    ++childPos) {
 380                                                                message =
 381                                                                        messageList.get(
 382                                                                                oldPosition
 383                                                                                        + childPos);
 384                                                                if (message.getType()
 385                                                                        != Message.TYPE_STATUS) {
 386                                                                    break;
 387                                                                }
 388                                                            }
 389                                                            final String uuid =
 390                                                                    message != null
 391                                                                            ? message.getUuid()
 392                                                                            : null;
 393                                                            View v =
 394                                                                    binding.messagesView.getChildAt(
 395                                                                            childPos);
 396                                                            final int pxOffset =
 397                                                                    (v == null) ? 0 : v.getTop();
 398                                                            ConversationFragment.this.conversation
 399                                                                    .populateWithMessages(
 400                                                                            ConversationFragment
 401                                                                                    .this
 402                                                                                    .messageList, activity == null ? null : activity.xmppConnectionService);
 403                                                            try {
 404                                                                updateStatusMessages();
 405                                                            } catch (IllegalStateException e) {
 406                                                                Log.d(
 407                                                                        Config.LOGTAG,
 408                                                                        "caught illegal state exception while updating status messages");
 409                                                            }
 410                                                            messageListAdapter
 411                                                                    .notifyDataSetChanged();
 412                                                            int pos =
 413                                                                    Math.max(
 414                                                                            getIndexOf(
 415                                                                                    uuid,
 416                                                                                    messageList),
 417                                                                            0);
 418                                                            binding.messagesView
 419                                                                    .setSelectionFromTop(
 420                                                                            pos, pxOffset);
 421                                                            if (messageLoaderToast != null) {
 422                                                                messageLoaderToast.cancel();
 423                                                            }
 424                                                            conversation.messagesLoaded.set(true);
 425                                                        }
 426                                                    });
 427                                        }
 428
 429                                        @Override
 430                                        public void informUser(final int resId) {
 431
 432                                            runOnUiThread(
 433                                                    () -> {
 434                                                        if (messageLoaderToast != null) {
 435                                                            messageLoaderToast.cancel();
 436                                                        }
 437                                                        if (ConversationFragment.this.conversation
 438                                                                != conversation) {
 439                                                            return;
 440                                                        }
 441                                                        messageLoaderToast =
 442                                                                Toast.makeText(
 443                                                                        view.getContext(),
 444                                                                        resId,
 445                                                                        Toast.LENGTH_LONG);
 446                                                        messageLoaderToast.show();
 447                                                    });
 448                                        }
 449                                    });
 450                        }
 451                    }
 452                }
 453            };
 454    private final EditMessage.OnCommitContentListener mEditorContentListener =
 455            new EditMessage.OnCommitContentListener() {
 456                @Override
 457                public boolean onCommitContent(
 458                        InputContentInfoCompat inputContentInfo,
 459                        int flags,
 460                        Bundle opts,
 461                        String[] contentMimeTypes) {
 462                    // try to get permission to read the image, if applicable
 463                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 464                            != 0) {
 465                        try {
 466                            inputContentInfo.requestPermission();
 467                        } catch (Exception e) {
 468                            Log.e(
 469                                    Config.LOGTAG,
 470                                    "InputContentInfoCompat#requestPermission() failed.",
 471                                    e);
 472                            Toast.makeText(
 473                                            getActivity(),
 474                                            activity.getString(
 475                                                    R.string.no_permission_to_access_x,
 476                                                    inputContentInfo.getDescription()),
 477                                            Toast.LENGTH_LONG)
 478                                    .show();
 479                            return false;
 480                        }
 481                    }
 482                    if (hasPermissions(
 483                            REQUEST_ADD_EDITOR_CONTENT,
 484                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 485                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 486                    } else {
 487                        mPendingEditorContent = inputContentInfo.getContentUri();
 488                    }
 489                    return true;
 490                }
 491            };
 492    private Message selectedMessage;
 493    private final OnClickListener mEnableAccountListener =
 494            new OnClickListener() {
 495                @Override
 496                public void onClick(View v) {
 497                    final Account account = conversation == null ? null : conversation.getAccount();
 498                    if (account != null) {
 499                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 500                        account.setOption(Account.OPTION_DISABLED, false);
 501                        activity.xmppConnectionService.updateAccount(account);
 502                    }
 503                }
 504            };
 505    private final OnClickListener mUnblockClickListener =
 506            new OnClickListener() {
 507                @Override
 508                public void onClick(final View v) {
 509                    v.post(() -> v.setVisibility(View.INVISIBLE));
 510                    if (conversation.isDomainBlocked()) {
 511                        BlockContactDialog.show(activity, conversation);
 512                    } else {
 513                        unblockConversation(conversation);
 514                    }
 515                }
 516            };
 517    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 518    private final OnClickListener mAddBackClickListener =
 519            new OnClickListener() {
 520
 521                @Override
 522                public void onClick(View v) {
 523                    final Contact contact = conversation == null ? null : conversation.getContact();
 524                    if (contact != null) {
 525                        activity.xmppConnectionService.createContact(contact, true);
 526                        activity.switchToContactDetails(contact);
 527                    }
 528                }
 529            };
 530    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 531    private final OnClickListener mAllowPresenceSubscription =
 532            new OnClickListener() {
 533                @Override
 534                public void onClick(View v) {
 535                    final Contact contact = conversation == null ? null : conversation.getContact();
 536                    if (contact != null) {
 537                        activity.xmppConnectionService.sendPresencePacket(
 538                                contact.getAccount(),
 539                                activity.xmppConnectionService
 540                                        .getPresenceGenerator()
 541                                        .sendPresenceUpdatesTo(contact));
 542                        hideSnackbar();
 543                    }
 544                }
 545            };
 546    protected OnClickListener clickToDecryptListener =
 547            new OnClickListener() {
 548
 549                @Override
 550                public void onClick(View v) {
 551                    PendingIntent pendingIntent =
 552                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 553                    if (pendingIntent != null) {
 554                        try {
 555                            getActivity()
 556                                    .startIntentSenderForResult(
 557                                            pendingIntent.getIntentSender(),
 558                                            REQUEST_DECRYPT_PGP,
 559                                            null,
 560                                            0,
 561                                            0,
 562                                            0,
 563                                            Compatibility.pgpStartIntentSenderOptions());
 564                        } catch (SendIntentException e) {
 565                            Toast.makeText(
 566                                            getActivity(),
 567                                            R.string.unable_to_connect_to_keychain,
 568                                            Toast.LENGTH_SHORT)
 569                                    .show();
 570                            conversation
 571                                    .getAccount()
 572                                    .getPgpDecryptionService()
 573                                    .continueDecryption(true);
 574                        }
 575                    }
 576                    updateSnackBar(conversation);
 577                }
 578            };
 579    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 580    private final OnEditorActionListener mEditorActionListener =
 581            (v, actionId, event) -> {
 582                if (actionId == EditorInfo.IME_ACTION_SEND) {
 583                    InputMethodManager imm =
 584                            (InputMethodManager)
 585                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 586                    if (imm != null && imm.isFullscreenMode()) {
 587                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 588                    }
 589                    sendMessage();
 590                    return true;
 591                } else {
 592                    return false;
 593                }
 594            };
 595    private final OnClickListener mScrollButtonListener =
 596            new OnClickListener() {
 597
 598                @Override
 599                public void onClick(View v) {
 600                    stopScrolling();
 601                    setSelection(binding.messagesView.getCount() - 1, true);
 602                }
 603            };
 604    private final OnClickListener mSendButtonListener =
 605            new OnClickListener() {
 606
 607                @Override
 608                public void onClick(View v) {
 609                    Object tag = v.getTag();
 610                    if (tag instanceof SendButtonAction) {
 611                        SendButtonAction action = (SendButtonAction) tag;
 612                        switch (action) {
 613                            case TAKE_PHOTO:
 614                            case RECORD_VIDEO:
 615                            case SEND_LOCATION:
 616                            case RECORD_VOICE:
 617                            case CHOOSE_PICTURE:
 618                                attachFile(action.toChoice());
 619                                break;
 620                            case CANCEL:
 621                                if (conversation != null) {
 622                                    conversation.setUserSelectedThread(false);
 623                                    if (conversation.setCorrectingMessage(null)) {
 624                                        binding.textinput.setText("");
 625                                        binding.textinput.append(conversation.getDraftMessage());
 626                                        conversation.setDraftMessage(null);
 627                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 628                                        conversation.setNextCounterpart(null);
 629                                        binding.textinput.setText("");
 630                                    } else {
 631                                        binding.textinput.setText("");
 632                                    }
 633                                    binding.textinputSubject.setText("");
 634                                    binding.textinputSubject.setVisibility(View.GONE);
 635                                    updateChatMsgHint();
 636                                    updateSendButton();
 637                                    updateEditablity();
 638                                }
 639                                break;
 640                            default:
 641                                sendMessage();
 642                        }
 643                    } else {
 644                        sendMessage();
 645                    }
 646                }
 647            };
 648    private OnBackPressedCallback backPressedLeaveSingleThread = new OnBackPressedCallback(false) {
 649        @Override
 650        public void handleOnBackPressed() {
 651            conversation.setLockThread(false);
 652            this.setEnabled(false);
 653            conversation.setUserSelectedThread(false);
 654            setThread(null);
 655            refresh();
 656            updateThreadFromLastMessage();
 657        }
 658    };
 659    private int completionIndex = 0;
 660    private int lastCompletionLength = 0;
 661    private String incomplete;
 662    private int lastCompletionCursor;
 663    private boolean firstWord = false;
 664    private Message mPendingDownloadableMessage;
 665
 666    private static ConversationFragment findConversationFragment(Activity activity) {
 667        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 668        if (fragment instanceof ConversationFragment) {
 669            return (ConversationFragment) fragment;
 670        }
 671        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 672        if (fragment instanceof ConversationFragment) {
 673            return (ConversationFragment) fragment;
 674        }
 675        return null;
 676    }
 677
 678    public static void startStopPending(Activity activity) {
 679        ConversationFragment fragment = findConversationFragment(activity);
 680        if (fragment != null) {
 681            fragment.messageListAdapter.startStopPending();
 682        }
 683    }
 684
 685    public static void downloadFile(Activity activity, Message message) {
 686        ConversationFragment fragment = findConversationFragment(activity);
 687        if (fragment != null) {
 688            fragment.startDownloadable(message);
 689        }
 690    }
 691
 692    public static void registerPendingMessage(Activity activity, Message message) {
 693        ConversationFragment fragment = findConversationFragment(activity);
 694        if (fragment != null) {
 695            fragment.pendingMessage.push(message);
 696        }
 697    }
 698
 699    public static void openPendingMessage(Activity activity) {
 700        ConversationFragment fragment = findConversationFragment(activity);
 701        if (fragment != null) {
 702            Message message = fragment.pendingMessage.pop();
 703            if (message != null) {
 704                fragment.messageListAdapter.openDownloadable(message);
 705            }
 706        }
 707    }
 708
 709    public static Conversation getConversation(Activity activity) {
 710        return getConversation(activity, R.id.secondary_fragment);
 711    }
 712
 713    private static Conversation getConversation(Activity activity, @IdRes int res) {
 714        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 715        if (fragment instanceof ConversationFragment) {
 716            return ((ConversationFragment) fragment).getConversation();
 717        } else {
 718            return null;
 719        }
 720    }
 721
 722    public static ConversationFragment get(Activity activity) {
 723        FragmentManager fragmentManager = activity.getFragmentManager();
 724        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 725        if (fragment instanceof ConversationFragment) {
 726            return (ConversationFragment) fragment;
 727        } else {
 728            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 729            return fragment instanceof ConversationFragment
 730                    ? (ConversationFragment) fragment
 731                    : null;
 732        }
 733    }
 734
 735    public static Conversation getConversationReliable(Activity activity) {
 736        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 737        if (conversation != null) {
 738            return conversation;
 739        }
 740        return getConversation(activity, R.id.main_fragment);
 741    }
 742
 743    private static boolean scrolledToBottom(AbsListView listView) {
 744        final int count = listView.getCount();
 745        if (count == 0) {
 746            return true;
 747        } else if (listView.getLastVisiblePosition() == count - 1) {
 748            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 749            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 750        } else {
 751            return false;
 752        }
 753    }
 754
 755    private void toggleScrollDownButton() {
 756        toggleScrollDownButton(binding.messagesView);
 757    }
 758
 759    private void toggleScrollDownButton(AbsListView listView) {
 760        if (conversation == null) {
 761            return;
 762        }
 763        if (scrolledToBottom(listView)) {
 764            lastMessageUuid = null;
 765            hideUnreadMessagesCount();
 766        } else {
 767            binding.scrollToBottomButton.setEnabled(true);
 768            binding.scrollToBottomButton.show();
 769            if (lastMessageUuid == null) {
 770                lastMessageUuid = conversation.getLatestMessage().getUuid();
 771            }
 772            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 773                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 774            }
 775        }
 776    }
 777
 778    private int getIndexOf(String uuid, List<Message> messages) {
 779        if (uuid == null) {
 780            return messages.size() - 1;
 781        }
 782        for (int i = 0; i < messages.size(); ++i) {
 783            if (uuid.equals(messages.get(i).getUuid())) {
 784                return i;
 785            } else {
 786                Message next = messages.get(i);
 787                while (next != null && next.wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
 788                    if (uuid.equals(next.getUuid())) {
 789                        return i;
 790                    }
 791                    next = next.next();
 792                }
 793            }
 794        }
 795        return -1;
 796    }
 797
 798    private ScrollState getScrollPosition() {
 799        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 800        if (listView == null
 801                || listView.getCount() == 0
 802                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 803            return null;
 804        } else {
 805            final int pos = listView.getFirstVisiblePosition();
 806            final View view = listView.getChildAt(0);
 807            if (view == null) {
 808                return null;
 809            } else {
 810                return new ScrollState(pos, view.getTop());
 811            }
 812        }
 813    }
 814
 815    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 816        if (scrollPosition != null) {
 817
 818            this.lastMessageUuid = lastMessageUuid;
 819            if (lastMessageUuid != null) {
 820                binding.unreadCountCustomView.setUnreadCount(
 821                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 822            }
 823            // TODO maybe this needs a 'post'
 824            this.binding.messagesView.setSelectionFromTop(
 825                    scrollPosition.position, scrollPosition.offset);
 826            toggleScrollDownButton();
 827        }
 828    }
 829
 830    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 831        if (conversation == null) {
 832            return;
 833        }
 834        final String subject = binding.textinputSubject.getText().toString();
 835        activity.xmppConnectionService.attachLocationToConversation(
 836                conversation,
 837                uri,
 838                subject,
 839                new UiCallback<Message>() {
 840
 841                    @Override
 842                    public void success(Message message) {
 843                        messageSent();
 844                    }
 845
 846                    @Override
 847                    public void error(int errorCode, Message object) {
 848                        // TODO show possible pgp error
 849                    }
 850
 851                    @Override
 852                    public void userInputRequired(PendingIntent pi, Message object) {}
 853                });
 854    }
 855
 856    private void attachFileToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 857        if (conversation == null) {
 858            return;
 859        }
 860        final String subject = binding.textinputSubject.getText().toString();
 861        if ("application/webxdc+zip".equals(type)) newSubThread();
 862        final Toast prepareFileToast =
 863                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 864        prepareFileToast.show();
 865        activity.delegateUriPermissionsToService(uri);
 866        activity.xmppConnectionService.attachFileToConversation(
 867                conversation,
 868                uri,
 869                type,
 870                subject,
 871                new UiInformableCallback<Message>() {
 872                    @Override
 873                    public void inform(final String text) {
 874                        hidePrepareFileToast(prepareFileToast);
 875                        runOnUiThread(() -> activity.replaceToast(text));
 876                    }
 877
 878                    @Override
 879                    public void success(Message message) {
 880                        if (next == null) {
 881                            runOnUiThread(() -> {
 882                                activity.hideToast();
 883                                messageSent();
 884                            });
 885                        } else {
 886                            runOnUiThread(next);
 887                        }
 888                        hidePrepareFileToast(prepareFileToast);
 889                    }
 890
 891                    @Override
 892                    public void error(final int errorCode, Message message) {
 893                        hidePrepareFileToast(prepareFileToast);
 894                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 895                    }
 896
 897                    @Override
 898                    public void userInputRequired(PendingIntent pi, Message message) {
 899                        hidePrepareFileToast(prepareFileToast);
 900                    }
 901                });
 902    }
 903
 904    public void attachEditorContentToConversation(Uri uri) {
 905        mediaPreviewAdapter.addMediaPreviews(
 906                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 907        toggleInputMethod();
 908    }
 909
 910    private void attachImageToConversation(Conversation conversation, Uri uri, String type, Runnable next) {
 911        if (conversation == null) {
 912            return;
 913        }
 914        final String subject = binding.textinputSubject.getText().toString();
 915        final Toast prepareFileToast =
 916                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 917        prepareFileToast.show();
 918        activity.delegateUriPermissionsToService(uri);
 919        activity.xmppConnectionService.attachImageToConversation(
 920                conversation,
 921                uri,
 922                type,
 923                subject,
 924                new UiCallback<Message>() {
 925
 926                    @Override
 927                    public void userInputRequired(PendingIntent pi, Message object) {
 928                        hidePrepareFileToast(prepareFileToast);
 929                    }
 930
 931                    @Override
 932                    public void success(Message message) {
 933                        hidePrepareFileToast(prepareFileToast);
 934                        if (next == null) {
 935                            runOnUiThread(() -> messageSent());
 936                        } else {
 937                            runOnUiThread(next);
 938                        }
 939                    }
 940
 941                    @Override
 942                    public void error(final int error, final Message message) {
 943                        hidePrepareFileToast(prepareFileToast);
 944                        final ConversationsActivity activity = ConversationFragment.this.activity;
 945                        if (activity == null) {
 946                            return;
 947                        }
 948                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 949                    }
 950                });
 951    }
 952
 953    private void hidePrepareFileToast(final Toast prepareFileToast) {
 954        if (prepareFileToast != null && activity != null) {
 955            activity.runOnUiThread(prepareFileToast::cancel);
 956        }
 957    }
 958
 959    private void sendMessage() {
 960        sendMessage((Long) null);
 961    }
 962
 963    private void sendMessage(Long sendAt) {
 964        if (sendAt != null && sendAt < System.currentTimeMillis()) sendAt = null; // No sending in past plz
 965        if (mediaPreviewAdapter.hasAttachments()) {
 966            commitAttachments();
 967            return;
 968        }
 969        Editable body = this.binding.textinput.getText();
 970        if (body == null) body = new SpannableStringBuilder("");
 971        if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 972            Toast.makeText(activity, "Message is too long", Toast.LENGTH_SHORT).show();
 973            return;
 974        }
 975        final Conversation conversation = this.conversation;
 976        final boolean hasSubject = binding.textinputSubject.getText().length() > 0;
 977        if (conversation == null || (body.length() == 0 && (conversation.getThread() == null || !hasSubject))) {
 978            if (Build.VERSION.SDK_INT >= 24) {
 979                binding.textSendButton.showContextMenu(0, 0);
 980            } else {
 981                binding.textSendButton.showContextMenu();
 982            }
 983            return;
 984        }
 985        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 986            return;
 987        }
 988        final Message message;
 989        if (conversation.getCorrectingMessage() == null) {
 990            boolean attention = false;
 991            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 992                attention = true;
 993                body.delete(0, 6);
 994                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 995            }
 996            if (conversation.getReplyTo() != null) {
 997                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 998                    final var aggregated = conversation.getReplyTo().getAggregatedReactions();
 999                    final ImmutableSet.Builder<String> reactionBuilder = new ImmutableSet.Builder<>();
1000                    reactionBuilder.addAll(aggregated.ourReactions);
1001                    reactionBuilder.add(body.toString().replaceAll("\\s", ""));
1002                    activity.xmppConnectionService.sendReactions(conversation.getReplyTo(), reactionBuilder.build());
1003                    messageSent();
1004                    return;
1005                } else {
1006                    message = conversation.getReplyTo().reply();
1007                    message.appendBody(body);
1008                }
1009                message.setEncryption(conversation.getNextEncryption());
1010            } else {
1011                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
1012                message.setBody(hasSubject && body.length() == 0 ? null : body);
1013                if (message.bodyIsOnlyEmojis()) {
1014                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
1015                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
1016                    for (ImageSpan span : imageSpans) {
1017                        final int start = spannable.getSpanStart(span);
1018                        final int end = spannable.getSpanEnd(span);
1019                        spannable.delete(start, end);
1020                    }
1021                    if (imageSpans.length == 1 && spannable.toString().replaceAll("\\s", "").length() < 1) {
1022                        // Only one inline image, so it's a sticker
1023                        String source = imageSpans[0].getSource();
1024                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
1025                            try {
1026                                final Cid cid = BobTransfer.cid(Uri.parse(source));
1027                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
1028                                final File f = activity.xmppConnectionService.getFileForCid(cid);
1029                                if (url != null) {
1030                                    message.setBody("");
1031                                    message.setRelativeFilePath(f.getAbsolutePath());
1032                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
1033                                }
1034                            } catch (final Exception e) { }
1035                        }
1036                    }
1037                }
1038            }
1039            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1040            message.setThread(conversation.getThread());
1041            if (attention) {
1042                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
1043            }
1044            Message.configurePrivateMessage(message);
1045        } else {
1046            message = conversation.getCorrectingMessage();
1047            if (hasSubject) message.setSubject(binding.textinputSubject.getText().toString());
1048            message.setThread(conversation.getThread());
1049            if (conversation.getReplyTo() != null) {
1050                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
1051                    message.updateReaction(conversation.getReplyTo(), body.toString().replaceAll("\\s", ""));
1052                } else {
1053                    message.updateReplyTo(conversation.getReplyTo(), body);
1054                }
1055            } else {
1056                message.clearReplyReact();
1057                message.setBody(hasSubject && body.length() == 0 ? null : body);
1058            }
1059            if (message.getStatus() == Message.STATUS_WAITING) {
1060                if (sendAt != null) message.setTime(sendAt);
1061                activity.xmppConnectionService.updateMessage(message);
1062                messageSent();
1063                return;
1064            } else {
1065                message.putEdited(message.getUuid(), message.getServerMsgId());
1066                message.setServerMsgId(null);
1067                message.setUuid(UUID.randomUUID().toString());
1068            }
1069        }
1070        if (sendAt != null) message.setTime(sendAt);
1071        switch (conversation.getNextEncryption()) {
1072            case Message.ENCRYPTION_PGP:
1073                sendPgpMessage(message);
1074                break;
1075            default:
1076                sendMessage(message);
1077        }
1078        setupReply(null);
1079    }
1080
1081    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
1082        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
1083                && trustKeysIfNeeded(requestCode);
1084    }
1085
1086    protected boolean trustKeysIfNeeded(int requestCode) {
1087        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
1088        if (axolotlService == null) return false;
1089        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
1090        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
1091        boolean hasUndecidedOwn =
1092                !axolotlService
1093                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
1094                        .isEmpty();
1095        boolean hasUndecidedContacts =
1096                !axolotlService
1097                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
1098                        .isEmpty();
1099        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
1100        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1101        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
1102        if (hasUndecidedOwn
1103                || hasUndecidedContacts
1104                || hasPendingKeys
1105                || hasNoTrustedKeys
1106                || hasUnaccepted
1107                || downloadInProgress) {
1108            axolotlService.createSessionsIfNeeded(conversation);
1109            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1110            String[] contacts = new String[targets.size()];
1111            for (int i = 0; i < contacts.length; ++i) {
1112                contacts[i] = targets.get(i).toString();
1113            }
1114            intent.putExtra("contacts", contacts);
1115            intent.putExtra(
1116                    EXTRA_ACCOUNT,
1117                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1118            intent.putExtra("conversation", conversation.getUuid());
1119            startActivityForResult(intent, requestCode);
1120            return true;
1121        } else {
1122            return false;
1123        }
1124    }
1125
1126    public void updateChatMsgHint() {
1127        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1128        if (conversation.getCorrectingMessage() != null) {
1129            this.binding.textInputHint.setVisibility(View.GONE);
1130            this.binding.textinput.setHint(R.string.send_corrected_message);
1131            binding.conversationViewPager.setCurrentItem(0);
1132        } else if (multi && conversation.getNextCounterpart() != null) {
1133            this.binding.textinput.setHint(R.string.send_message);
1134            this.binding.textInputHint.setVisibility(View.VISIBLE);
1135            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1136            String nick = user == null ? null : user.getNick();
1137            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1138            this.binding.textInputHint.setText(
1139                    getString(
1140                            R.string.send_private_message_to,
1141                            nick));
1142            binding.conversationViewPager.setCurrentItem(0);
1143        } else if (multi && !conversation.getMucOptions().participating()) {
1144            this.binding.textInputHint.setVisibility(View.GONE);
1145            this.binding.textinput.setHint(R.string.you_are_not_participating);
1146            this.binding.inputLayout.setBackgroundColor(android.R.color.transparent);
1147        } else {
1148            this.binding.textInputHint.setVisibility(View.GONE);
1149            if (activity == null) return;
1150            this.binding.textinput.setHint(UIHelper.getMessageHint(activity, conversation));
1151            this.binding.inputLayout.setBackground(activity.getDrawable(R.drawable.background_message_bubble));
1152            activity.invalidateOptionsMenu();
1153        }
1154
1155        binding.messagesView.post(this::updateThreadFromLastMessage);
1156    }
1157
1158    public void setupIme() {
1159        this.binding.textinput.refreshIme();
1160    }
1161
1162    private void handleActivityResult(ActivityResult activityResult) {
1163        if (activityResult.resultCode == Activity.RESULT_OK) {
1164            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1165        } else {
1166            handleNegativeActivityResult(activityResult.requestCode);
1167        }
1168    }
1169
1170    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1171        switch (requestCode) {
1172            case REQUEST_WEBXDC_STORE:
1173                mediaPreviewAdapter.addMediaPreviews(Attachment.of(activity, data.getData(), Attachment.Type.FILE));
1174                toggleInputMethod();
1175                break;
1176            case REQUEST_SAVE_STICKER:
1177                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1178                final File f = savingAsSticker;
1179                savingAsSticker = null;
1180                try {
1181                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1182                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1183                } catch (final FileBackend.FileCopyException e) {
1184                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1185                }
1186                break;
1187            case REQUEST_TRUST_KEYS_TEXT:
1188                sendMessage();
1189                break;
1190            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1191                commitAttachments();
1192                break;
1193            case REQUEST_START_AUDIO_CALL:
1194                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1195                break;
1196            case REQUEST_START_VIDEO_CALL:
1197                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1198                break;
1199            case ATTACHMENT_CHOICE_CHOOSE_IMAGE: {
1200                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1201                if (takePhotoUri != null && data.getData() == null && data.getClipData() == null) {
1202                    mediaPreviewAdapter.addMediaPreviews(
1203                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1204                }
1205                final List<Attachment> imageUris =
1206                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1207                mediaPreviewAdapter.addMediaPreviews(imageUris);
1208                toggleInputMethod();
1209                break;
1210            }
1211            case ATTACHMENT_CHOICE_TAKE_PHOTO: {
1212                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1213                if (takePhotoUri != null) {
1214                    mediaPreviewAdapter.addMediaPreviews(
1215                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1216                    toggleInputMethod();
1217                } else {
1218                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1219                }
1220                break;
1221            }
1222            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1223            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1224            case ATTACHMENT_CHOICE_RECORD_VOICE:
1225                final Attachment.Type type =
1226                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1227                                ? Attachment.Type.RECORDING
1228                                : Attachment.Type.FILE;
1229                final List<Attachment> fileUris =
1230                        Attachment.extractAttachments(getActivity(), data, type);
1231                mediaPreviewAdapter.addMediaPreviews(fileUris);
1232                toggleInputMethod();
1233                break;
1234            case ATTACHMENT_CHOICE_LOCATION:
1235                final double latitude = data.getDoubleExtra("latitude", 0);
1236                final double longitude = data.getDoubleExtra("longitude", 0);
1237                final int accuracy = data.getIntExtra("accuracy", 0);
1238                final Uri geo;
1239                if (accuracy > 0) {
1240                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1241                } else {
1242                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1243                }
1244                mediaPreviewAdapter.addMediaPreviews(
1245                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1246                toggleInputMethod();
1247                break;
1248            case REQUEST_INVITE_TO_CONVERSATION:
1249                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1250                if (invite != null) {
1251                    if (invite.execute(activity)) {
1252                        activity.mToast =
1253                                Toast.makeText(
1254                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1255                        activity.mToast.show();
1256                    }
1257                }
1258                break;
1259        }
1260    }
1261
1262    private void commitAttachments() {
1263        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1264        if (anyNeedsExternalStoragePermission(attachments)
1265                && !hasPermissions(
1266                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1267            return;
1268        }
1269        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1270            return;
1271        }
1272        final PresenceSelector.OnPresenceSelected callback =
1273                () -> {
1274                    final Iterator<Attachment> i = attachments.iterator();
1275                    final Runnable next = new Runnable() {
1276                        @Override
1277                        public void run() {
1278                            final Attachment attachment = i.next();
1279                            if (attachment.getType() == Attachment.Type.LOCATION) {
1280                                attachLocationToConversation(conversation, attachment.getUri());
1281                                if (i.hasNext()) runOnUiThread(this);
1282                            } else if (attachment.getType() == Attachment.Type.IMAGE) {
1283                                Log.d(
1284                                      Config.LOGTAG,
1285                                      "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1286                                attachImageToConversation(conversation, attachment.getUri(), attachment.getMime(), i.hasNext() ? this : null);
1287                            } else {
1288                                Log.d(
1289                                      Config.LOGTAG,
1290                                      "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1291                                attachFileToConversation(conversation, attachment.getUri(), attachment.getMime(), i.hasNext() ? this : null);
1292                            }
1293                            i.remove();
1294                            mediaPreviewAdapter.notifyDataSetChanged();
1295                            toggleInputMethod();
1296                        }
1297                    };
1298                    next.run();
1299                };
1300        if (conversation == null
1301                || conversation.getMode() == Conversation.MODE_MULTI
1302                || Attachment.canBeSendInBand(attachments)
1303                || (conversation.getAccount().httpUploadAvailable()
1304                        && FileBackend.allFilesUnderSize(
1305                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1306            callback.onPresenceSelected();
1307        } else {
1308            activity.selectPresence(conversation, callback);
1309        }
1310    }
1311
1312    private static boolean anyNeedsExternalStoragePermission(
1313            final Collection<Attachment> attachments) {
1314        for (final Attachment attachment : attachments) {
1315            if (attachment.getType() != Attachment.Type.LOCATION) {
1316                return true;
1317            }
1318        }
1319        return false;
1320    }
1321
1322    public void toggleInputMethod() {
1323        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1324        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1325        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1326        updateSendButton();
1327    }
1328
1329    private void handleNegativeActivityResult(int requestCode) {
1330        switch (requestCode) {
1331            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1332                if (pendingTakePhotoUri.clear()) {
1333                    Log.d(
1334                            Config.LOGTAG,
1335                            "cleared pending photo uri after negative activity result");
1336                }
1337                break;
1338        }
1339    }
1340
1341    @Override
1342    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1343        super.onActivityResult(requestCode, resultCode, data);
1344        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1345        if (activity != null && activity.xmppConnectionService != null) {
1346            handleActivityResult(activityResult);
1347        } else {
1348            this.postponedActivityResult.push(activityResult);
1349        }
1350    }
1351
1352    public void unblockConversation(final Blockable conversation) {
1353        activity.xmppConnectionService.sendUnblockRequest(conversation);
1354    }
1355
1356    @Override
1357    public void onAttach(Activity activity) {
1358        super.onAttach(activity);
1359        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1360        if (activity instanceof ConversationsActivity) {
1361            this.activity = (ConversationsActivity) activity;
1362        } else {
1363            throw new IllegalStateException(
1364                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1365        }
1366    }
1367
1368    @Override
1369    public void onDetach() {
1370        super.onDetach();
1371        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1372    }
1373
1374    @Override
1375    public void onCreate(Bundle savedInstanceState) {
1376        super.onCreate(savedInstanceState);
1377        setHasOptionsMenu(true);
1378        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1379    }
1380
1381    @Override
1382    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1383        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1384
1385        menuInflater.inflate(R.menu.fragment_conversation, menu);
1386        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1387        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1388        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1389        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1390        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1391        final MenuItem menuCall = menu.findItem(R.id.action_call);
1392        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1393        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1394        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1395        final MenuItem menuArchiveChat = menu.findItem(R.id.action_archive);
1396
1397        if (conversation != null) {
1398            if (conversation.getMode() == Conversation.MODE_MULTI) {
1399                menuContactDetails.setVisible(false);
1400                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1401                menuMucDetails.setTitle(
1402                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1403                                ? R.string.action_muc_details
1404                                : R.string.channel_details);
1405                menuCall.setVisible(false);
1406                menuOngoingCall.setVisible(false);
1407                menuArchiveChat.setTitle("Leave " + (conversation.getMucOptions().isPrivateAndNonAnonymous() ? "group chat" : "Channel"));
1408            } else {
1409                final XmppConnectionService service =
1410                        activity == null ? null : activity.xmppConnectionService;
1411                final Optional<OngoingRtpSession> ongoingRtpSession =
1412                        service == null
1413                                ? Optional.absent()
1414                                : service.getJingleConnectionManager()
1415                                        .getOngoingRtpConnection(conversation.getContact());
1416                if (ongoingRtpSession.isPresent()) {
1417                    menuOngoingCall.setVisible(true);
1418                    menuCall.setVisible(false);
1419                } else {
1420                    menuOngoingCall.setVisible(false);
1421                    final RtpCapability.Capability rtpCapability =
1422                            RtpCapability.check(conversation.getContact());
1423                    final boolean cameraAvailable =
1424                            activity != null && activity.isCameraFeatureAvailable();
1425                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1426                    menuVideoCall.setVisible(
1427                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1428                }
1429                menuContactDetails.setVisible(!this.conversation.withSelf());
1430                menuMucDetails.setVisible(false);
1431                menuInviteContact.setVisible(
1432                        service != null
1433                                && service.findConferenceServer(conversation.getAccount()) != null);
1434                menuArchiveChat.setTitle(R.string.action_archive_chat);
1435            }
1436            if (conversation.isMuted()) {
1437                menuMute.setVisible(false);
1438            } else {
1439                menuUnmute.setVisible(false);
1440            }
1441            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1442            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1443            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1444                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1445            } else {
1446                menuTogglePinned.setTitle(R.string.add_to_favorites);
1447            }
1448        }
1449        super.onCreateOptionsMenu(menu, menuInflater);
1450    }
1451
1452    @Override
1453    public View onCreateView(
1454            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1455        this.binding =
1456                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1457        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1458
1459        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1460        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1461        DisplayMetrics displayMetrics = new DisplayMetrics();
1462        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1463        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1464
1465        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1466        binding.contextPreviewCancel.setOnClickListener((v) -> {
1467            setThread(null);
1468            conversation.setUserSelectedThread(false);
1469            setupReply(null);
1470        });
1471        binding.requestVoice.setOnClickListener((v) -> {
1472            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1473            binding.requestVoice.setVisibility(View.GONE);
1474            Toast.makeText(activity, "Your request has been sent to the moderators", Toast.LENGTH_SHORT).show();
1475        });
1476
1477        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1478        binding.messagesView.setOnScrollListener(mOnScrollListener);
1479        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1480        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1481        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1482        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1483        messageListAdapter.setOnContactPictureClicked(this);
1484        messageListAdapter.setOnContactPictureLongClicked(this);
1485        messageListAdapter.setOnInlineImageLongClicked(this);
1486        messageListAdapter.setConversationFragment(this);
1487        binding.messagesView.setAdapter(messageListAdapter);
1488
1489        binding.textinput.addTextChangedListener(
1490                new StylingHelper.MessageEditorStyler(binding.textinput, messageListAdapter));
1491
1492        registerForContextMenu(binding.messagesView);
1493        registerForContextMenu(binding.textSendButton);
1494
1495        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1496            this.binding.textinput.setCustomInsertionActionModeCallback(
1497                    new EditMessageActionModeCallback(this.binding.textinput));
1498            this.binding.textinput.setCustomSelectionActionModeCallback(
1499                    new EditMessageSelectionActionModeCallback(this.binding.textinput));
1500        }
1501
1502        messageListAdapter.setOnMessageBoxClicked(message -> {
1503            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1504            setThread(message.getThread());
1505            conversation.setUserSelectedThread(true);
1506        });
1507
1508        messageListAdapter.setOnMessageBoxSwiped(message -> {
1509            quoteMessage(message);
1510        });
1511
1512        binding.threadIdenticonLayout.setOnClickListener(v -> {
1513            boolean wasLocked = conversation.getLockThread();
1514            conversation.setLockThread(false);
1515            backPressedLeaveSingleThread.setEnabled(false);
1516            if (wasLocked) {
1517                setThread(null);
1518                conversation.setUserSelectedThread(false);
1519                refresh();
1520                updateThreadFromLastMessage();
1521            } else {
1522                newThread();
1523                conversation.setUserSelectedThread(true);
1524                newThreadTutorialToast("Switched to new thread");
1525            }
1526        });
1527
1528        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1529            boolean wasLocked = conversation.getLockThread();
1530            conversation.setLockThread(false);
1531            backPressedLeaveSingleThread.setEnabled(false);
1532            setThread(null);
1533            conversation.setUserSelectedThread(true);
1534            if (wasLocked) refresh();
1535            newThreadTutorialToast("Cleared thread");
1536            return true;
1537        });
1538
1539        Autocomplete.<MucOptions.User>on(binding.textinput)
1540            .with(activity.getDrawable(R.drawable.background_message_bubble))
1541            .with(new CharPolicy('@'))
1542            .with(new RecyclerViewPresenter<MucOptions.User>(activity) {
1543                protected UserAdapter adapter;
1544
1545                @Override
1546                protected Adapter instantiateAdapter() {
1547                    adapter = new UserAdapter(false) {
1548                        @Override
1549                        public void onBindViewHolder(UserAdapter.ViewHolder viewHolder, int position) {
1550                            super.onBindViewHolder(viewHolder, position);
1551                            final var item = getItem(position);
1552                            viewHolder.binding.getRoot().setOnClickListener(v -> {
1553                                dispatchClick(item);
1554                            });
1555                        }
1556                    };
1557                    return adapter;
1558                }
1559
1560                @Override
1561                protected void onQuery(@Nullable CharSequence query) {
1562                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1563
1564                    final var allUsers = conversation.getMucOptions().getUsers();
1565                    if (!conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).isEmpty()) {
1566                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0role:moderator", "Notify active moderators", new HashSet<>());
1567                        u.setRole("participant");
1568                        allUsers.add(u);
1569                    }
1570                    if (!allUsers.isEmpty() && conversation.getMucOptions().getSelf() != null && conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
1571                        final var u = new MucOptions.User(conversation.getMucOptions(), null, "\0attention", "Notify active participants", new HashSet<>());
1572                        u.setRole("participant");
1573                        allUsers.add(u);
1574                    }
1575                    final String needle = query.toString().toLowerCase(Locale.getDefault());
1576                    if (getRecyclerView() != null) getRecyclerView().setItemAnimator(null);
1577                    adapter.submitList(
1578                        Ordering.natural().immutableSortedCopy(Collections2.filter(
1579                            allUsers,
1580                            user -> {
1581                                if ("mods".contains(needle) && "\0role:moderator".equals(user.getOccupantId())) return true;
1582                                if ("here".contains(needle) && "\0attention".equals(user.getOccupantId())) return true;
1583                                final String name = user.getNick();
1584                                if (name == null) return false;
1585                                for (final var hat : user.getHats()) {
1586                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1587                                }
1588                                for (final var hat : user.getPseudoHats(activity)) {
1589                                    if (hat.toString().toLowerCase(Locale.getDefault()).contains(needle)) return true;
1590                                }
1591                                final Contact contact = user.getContact();
1592                                return name.toLowerCase(Locale.getDefault()).contains(needle)
1593                                    || contact != null
1594                                    && contact.getDisplayName().toLowerCase(Locale.getDefault()).contains(needle);
1595                            })));
1596                }
1597
1598                @Override
1599                protected AutocompletePresenter.PopupDimensions getPopupDimensions() {
1600                    final var dim = new AutocompletePresenter.PopupDimensions();
1601                    dim.width = displayMetrics.widthPixels * 4/5;
1602                    return dim;
1603                }
1604            })
1605            .with(new AutocompleteCallback<MucOptions.User>() {
1606                @Override
1607                public boolean onPopupItemClicked(Editable editable, MucOptions.User user) {
1608                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1609                    if (range == null) return false;
1610                    range[0] -= 1;
1611                    if ("\0attention".equals(user.getOccupantId())) {
1612                        editable.delete(Math.max(0, range[0]), Math.min(editable.length(), range[1]));
1613                        editable.insert(0, "@here ");
1614                        return true;
1615                    }
1616                    int colon = editable.toString().indexOf(':');
1617                    final var beforeColon = range[0] < colon;
1618                    String prefix = "";
1619                    String suffix = " ";
1620                    if (beforeColon) suffix = ", ";
1621                    if (colon < 0 && range[0] == 0) suffix = ": ";
1622                    if (colon > 0 && colon == range[0] - 2) {
1623                        prefix = ", ";
1624                        suffix = ": ";
1625                        range[0] -= 2;
1626                    }
1627                    var insert = user.getNick();
1628                    if ("\0role:moderator".equals(user.getOccupantId())) {
1629                        insert = conversation.getMucOptions().getUsersByRole(MucOptions.Role.MODERATOR).stream().map(MucOptions.User::getNick).collect(Collectors.joining(", "));
1630                    }
1631                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), prefix + insert + suffix);
1632                    return true;
1633                }
1634
1635                @Override
1636                public void onPopupVisibilityChanged(boolean shown) {}
1637            }).build();
1638
1639        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1640        setupEmojiSearch();
1641        Autocomplete.<EmojiSearch.Emoji>on(binding.textinput)
1642            .with(activity.getDrawable(R.drawable.background_message_bubble))
1643            .with(new CharPolicy(':'))
1644            .with(new RecyclerViewPresenter<EmojiSearch.Emoji>(activity) {
1645                protected EmojiSearch.EmojiSearchAdapter adapter;
1646
1647                @Override
1648                protected Adapter instantiateAdapter() {
1649                    setupEmojiSearch();
1650                    adapter = emojiSearch.makeAdapter(item -> dispatchClick(item));
1651                    return adapter;
1652                }
1653
1654                @Override
1655                protected void onViewHidden() {
1656                    if (getRecyclerView() == null) return;
1657                    super.onViewHidden();
1658                }
1659
1660                @Override
1661                protected void onQuery(@Nullable CharSequence query) {
1662                    if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) return;
1663
1664                    emojiDebounce.removeCallbacksAndMessages(null);
1665                    emojiDebounce.postDelayed(() -> {
1666                        if (getRecyclerView() == null) return;
1667                        getRecyclerView().setItemAnimator(null);
1668                        adapter.search(activity, getRecyclerView(), query.toString());
1669                    }, 100L);
1670                }
1671            })
1672            .with(new AutocompleteCallback<EmojiSearch.Emoji>() {
1673                @Override
1674                public boolean onPopupItemClicked(Editable editable, EmojiSearch.Emoji emoji) {
1675                    int[] range = com.otaliastudios.autocomplete.CharPolicy.getQueryRange(editable);
1676                    if (range == null) return false;
1677                    range[0] -= 1;
1678                    final var toInsert = emoji.toInsert();
1679                    toInsert.append(" ");
1680                    editable.replace(Math.max(0, range[0]), Math.min(editable.length(), range[1]), toInsert);
1681                    return true;
1682                }
1683
1684                @Override
1685                public void onPopupVisibilityChanged(boolean shown) {}
1686            }).build();
1687
1688        return binding.getRoot();
1689    }
1690
1691    protected void setupEmojiSearch() {
1692        if (activity != null && activity.xmppConnectionService != null) {
1693            if (emojiSearch == null) {
1694                emojiSearch = activity.xmppConnectionService.emojiSearch();
1695            }
1696        }
1697    }
1698
1699    protected void newThreadTutorialToast(String s) {
1700        if (activity == null) return;
1701        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1702        final int tutorialCount = p.getInt("thread_tutorial", 0);
1703        if (tutorialCount < 5) {
1704            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1705            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1706        }
1707    }
1708
1709    @Override
1710    public void onDestroyView() {
1711        super.onDestroyView();
1712        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1713        messageListAdapter.setOnContactPictureClicked(null);
1714        messageListAdapter.setOnContactPictureLongClicked(null);
1715        messageListAdapter.setOnInlineImageLongClicked(null);
1716        messageListAdapter.setConversationFragment(null);
1717        messageListAdapter.setOnMessageBoxClicked(null);
1718        messageListAdapter.setOnMessageBoxSwiped(null);
1719        binding.conversationViewPager.setAdapter(null);
1720        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1721    }
1722
1723    public void quoteText(String text) {
1724        if (binding.textinput.isEnabled()) {
1725            binding.textinput.insertAsQuote(text);
1726            binding.textinput.requestFocus();
1727            InputMethodManager inputMethodManager =
1728                    (InputMethodManager)
1729                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1730            if (inputMethodManager != null) {
1731                inputMethodManager.showSoftInput(
1732                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1733            }
1734        }
1735    }
1736
1737    private void quoteMessage(Message message) {
1738        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1739        setThread(message.getThread());
1740        conversation.setUserSelectedThread(true);
1741        if (!forkNullThread(message)) newThread();
1742        setupReply(message);
1743    }
1744
1745    private boolean forkNullThread(Message message) {
1746        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1747        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1748            final Element thread = m.getThread();
1749            if (thread != null) {
1750                setThread(thread);
1751                return true;
1752            }
1753        }
1754
1755        return false;
1756    }
1757
1758    private void setupReply(Message message) {
1759        conversation.setReplyTo(message);
1760        if (message == null) {
1761            binding.contextPreview.setVisibility(View.GONE);
1762            binding.textsend.setBackgroundResource(R.drawable.textsend);
1763            return;
1764        }
1765
1766        SpannableStringBuilder body = message.getSpannableBody(null, null);
1767        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1768        messageListAdapter.handleTextQuotes(binding.contextPreviewText, body);
1769        binding.contextPreviewText.setText(body);
1770        binding.contextPreview.setVisibility(View.VISIBLE);
1771    }
1772
1773    private void setThread(Element thread) {
1774        this.conversation.setThread(thread);
1775        binding.threadIdenticon.setAlpha(0f);
1776        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1777        if (thread != null) {
1778            final String threadId = thread.getContent();
1779            if (threadId != null) {
1780                binding.threadIdenticon.setAlpha(1f);
1781                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1782                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1783            }
1784        }
1785        updateSendButton();
1786    }
1787
1788    @Override
1789    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1790        // This should cancel any remaining click events that would otherwise trigger links
1791        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1792
1793        if (v == binding.textSendButton) {
1794            super.onCreateContextMenu(menu, v, menuInfo);
1795            try {
1796                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1797                m.setAccessible(true);
1798                m.invoke(menu, true);
1799            } catch (Exception e) {
1800                e.printStackTrace();
1801            }
1802            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1803            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1804            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1805            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1806                MenuItem item = attachMenu.getSubMenu().getItem(i);
1807                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1808                newItem.setIcon(item.getIcon());
1809            }
1810            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu, TextUtils.isEmpty(binding.textinput.getText()));
1811            return;
1812        }
1813
1814        synchronized (this.messageList) {
1815            super.onCreateContextMenu(menu, v, menuInfo);
1816            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1817            this.selectedMessage = this.messageList.get(acmi.position);
1818            populateContextMenu(menu);
1819        }
1820    }
1821
1822    private void populateContextMenu(ContextMenu menu) {
1823        final Message m = this.selectedMessage;
1824        final Transferable t = m.getTransferable();
1825        Message relevantForCorrection = m;
1826        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1827            relevantForCorrection = relevantForCorrection.next();
1828        }
1829        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1830
1831            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1832                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1833                return;
1834            }
1835
1836            if (m.getStatus() == Message.STATUS_RECEIVED
1837                    && t != null
1838                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1839                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1840                return;
1841            }
1842
1843            final boolean deleted = m.isDeleted();
1844            final boolean encrypted =
1845                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1846                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1847            final boolean receiving =
1848                    m.getStatus() == Message.STATUS_RECEIVED
1849                            && (t instanceof JingleFileTransferConnection
1850                                    || t instanceof HttpDownloadConnection);
1851            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1852            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1853            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1854            MenuItem openWith = menu.findItem(R.id.open_with);
1855            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1856            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1857            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1858            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1859            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1860            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1861            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1862            MenuItem shareWith = menu.findItem(R.id.share_with);
1863            MenuItem sendAgain = menu.findItem(R.id.send_again);
1864            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1865            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1866            MenuItem downloadFile = menu.findItem(R.id.download_file);
1867            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1868            MenuItem blockMedia = menu.findItem(R.id.block_media);
1869            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1870            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1871            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1872            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1873            final boolean showError =
1874                    m.getStatus() == Message.STATUS_SEND_FAILED
1875                            && m.getErrorMessage() != null
1876                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1877            final Conversational conversational = m.getConversation();
1878            if (m.getStatus() == Message.STATUS_RECEIVED && conversational instanceof Conversation c) {
1879                final XmppConnection connection = c.getAccount().getXmppConnection();
1880                if (c.isWithStranger()
1881                        && m.getServerMsgId() != null
1882                        && !c.isBlocked()
1883                        && connection != null
1884                        && connection.getFeatures().spamReporting()) {
1885                    reportAndBlock.setVisible(true);
1886                }
1887            }
1888            if (!encrypted) {
1889                addReaction.setVisible(!showError && !m.isDeleted());
1890            }
1891            if (!m.isFileOrImage()
1892                    && !encrypted
1893                    && !m.isGeoUri()
1894                    && !m.treatAsDownloadable()
1895                    && !unInitiatedButKnownSize
1896                    && t == null) {
1897                copyMessage.setVisible(true);
1898            }
1899            quoteMessage.setVisible(!encrypted && !showError);
1900            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1901                retryDecryption.setVisible(true);
1902            }
1903            if (!showError
1904                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1905                    && relevantForCorrection.isEditable()
1906                    && !m.isGeoUri()
1907                    && m.getConversation() instanceof Conversation) {
1908                correctMessage.setVisible(true);
1909                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1910            }
1911            if (relevantForCorrection.getStatus() == Message.STATUS_WAITING) {
1912                correctMessage.setVisible(true);
1913                retractMessage.setVisible(true);
1914            }
1915            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")) {
1916                moderateMessage.setVisible(true);
1917            }
1918            if ((m.isFileOrImage() && !deleted && !receiving)
1919                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1920                            && !unInitiatedButKnownSize
1921                            && t == null) {
1922                shareWith.setVisible(true);
1923            }
1924            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1925                sendAgain.setVisible(true);
1926            }
1927            if (m.hasFileOnRemoteHost()
1928                    || m.isGeoUri()
1929                    || m.treatAsDownloadable()
1930                    || unInitiatedButKnownSize
1931                    || t instanceof HttpDownloadConnection) {
1932                copyUrl.setVisible(true);
1933            }
1934            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1935                downloadFile.setVisible(true);
1936                downloadFile.setTitle(
1937                        activity.getString(
1938                                R.string.download_x_file,
1939                                UIHelper.getFileDescriptionString(activity, m)));
1940            }
1941            final boolean waitingOfferedSending =
1942                    m.getStatus() == Message.STATUS_WAITING
1943                            || m.getStatus() == Message.STATUS_UNSEND
1944                            || m.getStatus() == Message.STATUS_OFFERED;
1945            final boolean cancelable =
1946                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1947            if (cancelable) {
1948                cancelTransmission.setVisible(true);
1949            }
1950            if (m.isFileOrImage() && !deleted && !cancelable) {
1951                final String path = m.getRelativeFilePath();
1952                if (path != null) {
1953                    final var file = new File(path);
1954                    if (file.canRead()) saveAsSticker.setVisible(true);
1955                    blockMedia.setVisible(true);
1956                    if (file.canWrite()) deleteFile.setVisible(true);
1957                    deleteFile.setTitle(
1958                            activity.getString(
1959                                    R.string.delete_x_file,
1960                                    UIHelper.getFileDescriptionString(activity, m)));
1961                }
1962            }
1963
1964            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1965                // We might be showing a thumbnail worth blocking
1966                blockMedia.setVisible(true);
1967            }
1968            if (showError) {
1969                showErrorMessage.setVisible(true);
1970            }
1971            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1972            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1973                    || (mime != null && mime.startsWith("audio/"))) {
1974                openWith.setVisible(true);
1975            }
1976        }
1977    }
1978
1979    @Override
1980    public boolean onContextItemSelected(MenuItem item) {
1981        switch (item.getItemId()) {
1982            case R.id.share_with:
1983                ShareUtil.share(activity, selectedMessage);
1984                return true;
1985            case R.id.correct_message:
1986                correctMessage(selectedMessage);
1987                return true;
1988            case R.id.retract_message:
1989                new AlertDialog.Builder(activity)
1990                    .setTitle(R.string.retract_message)
1991                    .setMessage("Do you really want to retract this message?")
1992                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1993                        Message message = selectedMessage;
1994                        while (message.mergeable(message.next())) {
1995                            message = message.next();
1996                        }
1997                        if (message.getStatus() == Message.STATUS_WAITING || message.getStatus() == Message.STATUS_OFFERED) {
1998                            activity.xmppConnectionService.deleteMessage(message);
1999                            return;
2000                        }
2001                        Element reactions = message.getReactionsEl();
2002                        if (reactions != null) {
2003                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
2004                            if (previousReaction != null) reactions = previousReaction.getReactionsEl();
2005                            for (Element el : reactions.getChildren()) {
2006                                if (message.getRawBody().endsWith(el.getContent())) {
2007                                    reactions.removeChild(el);
2008                                }
2009                            }
2010                            message.setReactions(reactions);
2011                            if (previousReaction != null) {
2012                                previousReaction.setReactions(reactions);
2013                                activity.xmppConnectionService.updateMessage(previousReaction);
2014                            }
2015                        } else {
2016                            message.setInReplyTo(null);
2017                            message.clearPayloads();
2018                        }
2019                        message.setBody(" ");
2020                        message.setSubject(null);
2021                        message.putEdited(message.getUuid(), message.getServerMsgId());
2022                        message.setServerMsgId(null);
2023                        message.setUuid(UUID.randomUUID().toString());
2024                        sendMessage(message);
2025                    })
2026                    .setNegativeButton(R.string.no, null).show();
2027                return true;
2028            case R.id.moderate_message:
2029                activity.quickEdit("Spam", (reason) -> {
2030                    Message message = selectedMessage;
2031                    do {
2032                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
2033                        message = message.mergeable(message.next()) ? message.next() : null;
2034                    } while (message != null);
2035                    return null;
2036                }, R.string.moderate_reason, false, false, true, true);
2037                return true;
2038            case R.id.copy_message:
2039                ShareUtil.copyToClipboard(activity, selectedMessage);
2040                return true;
2041            case R.id.quote_message:
2042                quoteMessage(selectedMessage);
2043                return true;
2044            case R.id.send_again:
2045                resendMessage(selectedMessage);
2046                return true;
2047            case R.id.copy_url:
2048                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
2049                return true;
2050            case R.id.save_as_sticker:
2051                saveAsSticker(selectedMessage);
2052                return true;
2053            case R.id.download_file:
2054                startDownloadable(selectedMessage);
2055                return true;
2056            case R.id.cancel_transmission:
2057                cancelTransmission(selectedMessage);
2058                return true;
2059            case R.id.retry_decryption:
2060                retryDecryption(selectedMessage);
2061                return true;
2062            case R.id.block_media:
2063                new AlertDialog.Builder(activity)
2064                    .setTitle(R.string.block_media)
2065                    .setMessage("Do you really want to block this media in all messages?")
2066                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2067                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2068                        if (thumbs != null && !thumbs.isEmpty()) {
2069                            for (Element thumb : thumbs) {
2070                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
2071                                if (uri.getScheme().equals("cid")) {
2072                                    Cid cid = BobTransfer.cid(uri);
2073                                    if (cid == null) continue;
2074                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2075                                    activity.xmppConnectionService.blockMedia(f);
2076                                    activity.xmppConnectionService.evictPreview(f);
2077                                    f.delete();
2078                                }
2079                            }
2080                        }
2081                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
2082                        activity.xmppConnectionService.blockMedia(f);
2083                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
2084                        activity.xmppConnectionService.evictPreview(f);
2085                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
2086                        activity.onConversationsListItemUpdated();
2087                        refresh();
2088                    })
2089                    .setNegativeButton(R.string.no, null).show();
2090                return true;
2091            case R.id.delete_file:
2092                deleteFile(selectedMessage);
2093                return true;
2094            case R.id.show_error_message:
2095                showErrorMessage(selectedMessage);
2096                return true;
2097            case R.id.open_with:
2098                openWith(selectedMessage);
2099                return true;
2100            case R.id.only_this_thread:
2101                conversation.setLockThread(true);
2102                backPressedLeaveSingleThread.setEnabled(true);
2103                setThread(selectedMessage.getThread());
2104                refresh();
2105                return true;
2106            case R.id.action_report_and_block:
2107                reportMessage(selectedMessage);
2108                return true;
2109            case R.id.action_add_reaction:
2110                addReaction(selectedMessage);
2111                return true;
2112            default:
2113                return onOptionsItemSelected(item);
2114        }
2115    }
2116
2117    @Override
2118    public boolean onOptionsItemSelected(final MenuItem item) {
2119        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
2120            return false;
2121        } else if (conversation == null) {
2122            return super.onOptionsItemSelected(item);
2123        }
2124        switch (item.getItemId()) {
2125            case R.id.encryption_choice_axolotl:
2126            case R.id.encryption_choice_pgp:
2127            case R.id.encryption_choice_none:
2128                handleEncryptionSelection(item);
2129                break;
2130            case R.id.attach_choose_picture:
2131            //case R.id.attach_take_picture:
2132            //case R.id.attach_record_video:
2133            case R.id.attach_choose_file:
2134            case R.id.attach_record_voice:
2135            case R.id.attach_location:
2136                handleAttachmentSelection(item);
2137                break;
2138            case R.id.attach_webxdc:
2139                final Intent intent = new Intent(getActivity(), WebxdcStore.class);
2140                startActivityForResult(intent, REQUEST_WEBXDC_STORE);
2141                break;
2142            case R.id.attach_subject:
2143                binding.textinputSubject.setVisibility(binding.textinputSubject.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
2144                break;
2145            case R.id.attach_schedule:
2146                scheduleMessage();
2147                break;
2148            case R.id.action_search:
2149                startSearch();
2150                break;
2151            case R.id.action_archive:
2152                activity.xmppConnectionService.archiveConversation(conversation);
2153                break;
2154            case R.id.action_contact_details:
2155                activity.switchToContactDetails(conversation.getContact());
2156                break;
2157            case R.id.action_muc_details:
2158                ConferenceDetailsActivity.open(activity, conversation);
2159                break;
2160            case R.id.action_invite:
2161                startActivityForResult(
2162                        ChooseContactActivity.create(activity, conversation),
2163                        REQUEST_INVITE_TO_CONVERSATION);
2164                break;
2165            case R.id.action_clear_history:
2166                clearHistoryDialog(conversation);
2167                break;
2168            case R.id.action_mute:
2169                muteConversationDialog(conversation);
2170                break;
2171            case R.id.action_unmute:
2172                unMuteConversation(conversation);
2173                break;
2174            case R.id.action_block:
2175            case R.id.action_unblock:
2176                BlockContactDialog.show(activity, conversation);
2177                break;
2178            case R.id.action_audio_call:
2179                checkPermissionAndTriggerAudioCall();
2180                break;
2181            case R.id.action_video_call:
2182                checkPermissionAndTriggerVideoCall();
2183                break;
2184            case R.id.action_ongoing_call:
2185                returnToOngoingCall();
2186                break;
2187            case R.id.action_toggle_pinned:
2188                togglePinned();
2189                break;
2190            case R.id.action_add_shortcut:
2191                addShortcut();
2192                break;
2193            case R.id.action_block_avatar:
2194                new AlertDialog.Builder(activity)
2195                    .setTitle(R.string.block_media)
2196                    .setMessage("Do you really want to block this avatar?")
2197                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
2198                            activity.xmppConnectionService.blockMedia(activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()));
2199                            activity.xmppConnectionService.getFileBackend().getAvatarFile(conversation.getContact().getAvatarFilename()).delete();
2200                            activity.avatarService().clear(conversation);
2201                            conversation.getContact().setAvatar(null);
2202                            activity.xmppConnectionService.updateConversationUi();
2203                    })
2204                    .setNegativeButton(R.string.no, null).show();
2205            case R.id.action_refresh_feature_discovery:
2206                refreshFeatureDiscovery();
2207                break;
2208            default:
2209                break;
2210        }
2211        return super.onOptionsItemSelected(item);
2212    }
2213
2214    public boolean onBackPressed() {
2215        boolean wasLocked = conversation.getLockThread();
2216        conversation.setLockThread(false);
2217        backPressedLeaveSingleThread.setEnabled(false);
2218        if (wasLocked) {
2219            setThread(null);
2220            conversation.setUserSelectedThread(false);
2221            refresh();
2222            updateThreadFromLastMessage();
2223            return true;
2224        }
2225        return false;
2226    }
2227
2228    private void startSearch() {
2229        final Intent intent = new Intent(getActivity(), SearchActivity.class);
2230        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
2231        startActivity(intent);
2232    }
2233
2234    private void scheduleMessage() {
2235        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
2236            final var datePicker = com.google.android.material.datepicker.MaterialDatePicker.Builder.datePicker()
2237                .setTitleText("Schedule Message")
2238                .setSelection(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2239                .setCalendarConstraints(
2240                    new com.google.android.material.datepicker.CalendarConstraints.Builder()
2241                        .setStart(com.google.android.material.datepicker.MaterialDatePicker.todayInUtcMilliseconds())
2242                        .build()
2243                 )
2244                .build();
2245            datePicker.addOnPositiveButtonClickListener((date) -> {
2246                final Calendar now = Calendar.getInstance();
2247                final var timePicker = new com.google.android.material.timepicker.MaterialTimePicker.Builder()
2248                    .setTitleText("Schedule Message")
2249                    .setHour(now.get(Calendar.HOUR_OF_DAY))
2250                    .setMinute(now.get(Calendar.MINUTE))
2251                    .setTimeFormat(android.text.format.DateFormat.is24HourFormat(activity) ? com.google.android.material.timepicker.TimeFormat.CLOCK_24H : com.google.android.material.timepicker.TimeFormat.CLOCK_12H)
2252                    .build();
2253                timePicker.addOnPositiveButtonClickListener((v2) -> {
2254                        final var dateCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
2255                        dateCal.setTimeInMillis(date);
2256                        final var time = Calendar.getInstance();
2257                        time.set(dateCal.get(Calendar.YEAR), dateCal.get(Calendar.MONTH), dateCal.get(Calendar.DAY_OF_MONTH), timePicker.getHour(), timePicker.getMinute(), 0);
2258                        final long timestamp = time.getTimeInMillis();
2259                        sendMessage(timestamp);
2260                        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": scheduled message for " + timestamp);
2261                    });
2262                timePicker.show(activity.getSupportFragmentManager(), "schedulMessageTime");
2263            });
2264            datePicker.show(activity.getSupportFragmentManager(), "schedulMessageDate");
2265        }
2266    }
2267
2268    private void returnToOngoingCall() {
2269        final Optional<OngoingRtpSession> ongoingRtpSession =
2270                activity.xmppConnectionService
2271                        .getJingleConnectionManager()
2272                        .getOngoingRtpConnection(conversation.getContact());
2273        if (ongoingRtpSession.isPresent()) {
2274            final OngoingRtpSession id = ongoingRtpSession.get();
2275            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
2276            intent.setAction(Intent.ACTION_VIEW);
2277            intent.putExtra(
2278                    RtpSessionActivity.EXTRA_ACCOUNT,
2279                    id.getAccount().getJid().asBareJid().toEscapedString());
2280            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
2281            if (id instanceof AbstractJingleConnection) {
2282                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
2283                startActivity(intent);
2284            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
2285                if (Media.audioOnly(proposal.media)) {
2286                    intent.putExtra(
2287                            RtpSessionActivity.EXTRA_LAST_ACTION,
2288                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2289                } else {
2290                    intent.putExtra(
2291                            RtpSessionActivity.EXTRA_LAST_ACTION,
2292                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2293                }
2294                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
2295                startActivity(intent);
2296            }
2297        }
2298    }
2299
2300    private void refreshFeatureDiscovery() {
2301        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
2302        if (presences.isEmpty()) {
2303            presences = new HashSet<>();
2304            presences.add(new AbstractMap.SimpleEntry("", null));
2305        }
2306        for (Map.Entry<String, Presence> entry : presences) {
2307            Jid jid = conversation.getContact().getJid();
2308            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
2309            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
2310                if (activity == null) return;
2311                activity.runOnUiThread(() -> {
2312                    refresh();
2313                    refreshCommands(true);
2314                });
2315            });
2316        }
2317    }
2318
2319    private void addShortcut() {
2320        ShortcutInfoCompat info;
2321        if (conversation.getMode() == Conversation.MODE_MULTI) {
2322            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2323        } else {
2324            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2325        }
2326        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2327    }
2328
2329    private void togglePinned() {
2330        final boolean pinned =
2331                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2332        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2333        activity.xmppConnectionService.updateConversation(conversation);
2334        activity.invalidateOptionsMenu();
2335    }
2336
2337    private void checkPermissionAndTriggerAudioCall() {
2338        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2339            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2340            return;
2341        }
2342        final List<String> permissions;
2343        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2344            permissions =
2345                    Arrays.asList(
2346                            Manifest.permission.RECORD_AUDIO,
2347                            Manifest.permission.BLUETOOTH_CONNECT);
2348        } else {
2349            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2350        }
2351        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2352            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2353        }
2354    }
2355
2356    private void checkPermissionAndTriggerVideoCall() {
2357        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2358            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2359            return;
2360        }
2361        final List<String> permissions;
2362        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2363            permissions =
2364                    Arrays.asList(
2365                            Manifest.permission.RECORD_AUDIO,
2366                            Manifest.permission.CAMERA,
2367                            Manifest.permission.BLUETOOTH_CONNECT);
2368        } else {
2369            permissions =
2370                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2371        }
2372        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2373            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2374        }
2375    }
2376
2377    private void triggerRtpSession(final String action) {
2378        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
2379            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2380                    .show();
2381            return;
2382        }
2383        final Account account = conversation.getAccount();
2384        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
2385            activity.xmppConnectionService.updateAccount(account);
2386        }
2387        final Contact contact = conversation.getContact();
2388        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
2389            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2390        } else {
2391            final RtpCapability.Capability capability;
2392            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2393                capability = RtpCapability.Capability.VIDEO;
2394            } else {
2395                capability = RtpCapability.Capability.AUDIO;
2396            }
2397            PresenceSelector.selectFullJidForDirectRtpConnection(
2398                    activity,
2399                    contact,
2400                    capability,
2401                    fullJid -> {
2402                        triggerRtpSession(contact.getAccount(), fullJid, action);
2403                    });
2404        }
2405    }
2406
2407    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2408        CallIntegrationConnectionService.placeCall(activity.xmppConnectionService, account,with,RtpSessionActivity.actionToMedia(action));
2409    }
2410
2411    private void handleAttachmentSelection(MenuItem item) {
2412        switch (item.getItemId()) {
2413            case R.id.attach_choose_picture:
2414                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2415                break;
2416            /*case R.id.attach_take_picture:
2417                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2418                break;
2419            case R.id.attach_record_video:
2420                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2421                break;*/
2422            case R.id.attach_choose_file:
2423                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2424                break;
2425            case R.id.attach_record_voice:
2426                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2427                break;
2428            case R.id.attach_location:
2429                attachFile(ATTACHMENT_CHOICE_LOCATION);
2430                break;
2431        }
2432    }
2433
2434    private void handleEncryptionSelection(MenuItem item) {
2435        if (conversation == null) {
2436            return;
2437        }
2438        final boolean updated;
2439        switch (item.getItemId()) {
2440            case R.id.encryption_choice_none:
2441                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2442                item.setChecked(true);
2443                break;
2444            case R.id.encryption_choice_pgp:
2445                if (activity.hasPgp()) {
2446                    if (conversation.getAccount().getPgpSignature() != null) {
2447                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2448                        item.setChecked(true);
2449                    } else {
2450                        updated = false;
2451                        activity.announcePgp(
2452                                conversation.getAccount(),
2453                                conversation,
2454                                null,
2455                                activity.onOpenPGPKeyPublished);
2456                    }
2457                } else {
2458                    activity.showInstallPgpDialog();
2459                    updated = false;
2460                }
2461                break;
2462            case R.id.encryption_choice_axolotl:
2463                Log.d(
2464                        Config.LOGTAG,
2465                        AxolotlService.getLogprefix(conversation.getAccount())
2466                                + "Enabled axolotl for Contact "
2467                                + conversation.getContact().getJid());
2468                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2469                item.setChecked(true);
2470                break;
2471            default:
2472                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2473                break;
2474        }
2475        if (updated) {
2476            activity.xmppConnectionService.updateConversation(conversation);
2477        }
2478        updateChatMsgHint();
2479        getActivity().invalidateOptionsMenu();
2480        activity.refreshUi();
2481    }
2482
2483    public void attachFile(final int attachmentChoice) {
2484        attachFile(attachmentChoice, true);
2485    }
2486
2487    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2488        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2489            if (!hasPermissions(
2490                    attachmentChoice,
2491                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2492                    Manifest.permission.RECORD_AUDIO)) {
2493                return;
2494            }
2495        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2496                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2497            if (!hasPermissions(
2498                    attachmentChoice,
2499                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2500                    Manifest.permission.CAMERA)) {
2501                return;
2502            }
2503        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2504            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2505                return;
2506            }
2507        }
2508        if (updateRecentlyUsed) {
2509            storeRecentlyUsedQuickAction(attachmentChoice);
2510        }
2511        final int encryption = conversation.getNextEncryption();
2512        final int mode = conversation.getMode();
2513        if (encryption == Message.ENCRYPTION_PGP) {
2514            if (activity.hasPgp()) {
2515                if (mode == Conversation.MODE_SINGLE
2516                        && conversation.getContact().getPgpKeyId() != 0) {
2517                    activity.xmppConnectionService
2518                            .getPgpEngine()
2519                            .hasKey(
2520                                    conversation.getContact(),
2521                                    new UiCallback<Contact>() {
2522
2523                                        @Override
2524                                        public void userInputRequired(
2525                                                PendingIntent pi, Contact contact) {
2526                                            startPendingIntent(pi, attachmentChoice);
2527                                        }
2528
2529                                        @Override
2530                                        public void success(Contact contact) {
2531                                            invokeAttachFileIntent(attachmentChoice);
2532                                        }
2533
2534                                        @Override
2535                                        public void error(int error, Contact contact) {
2536                                            activity.replaceToast(getString(error));
2537                                        }
2538                                    });
2539                } else if (mode == Conversation.MODE_MULTI
2540                        && conversation.getMucOptions().pgpKeysInUse()) {
2541                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2542                        Toast warning =
2543                                Toast.makeText(
2544                                        getActivity(),
2545                                        R.string.missing_public_keys,
2546                                        Toast.LENGTH_LONG);
2547                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2548                        warning.show();
2549                    }
2550                    invokeAttachFileIntent(attachmentChoice);
2551                } else {
2552                    showNoPGPKeyDialog(
2553                            false,
2554                            (dialog, which) -> {
2555                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2556                                activity.xmppConnectionService.updateConversation(conversation);
2557                                invokeAttachFileIntent(attachmentChoice);
2558                            });
2559                }
2560            } else {
2561                activity.showInstallPgpDialog();
2562            }
2563        } else {
2564            invokeAttachFileIntent(attachmentChoice);
2565        }
2566    }
2567
2568    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2569        try {
2570            activity.getPreferences()
2571                    .edit()
2572                    .putString(
2573                            RECENTLY_USED_QUICK_ACTION,
2574                            SendButtonAction.of(attachmentChoice).toString())
2575                    .apply();
2576        } catch (IllegalArgumentException e) {
2577            // just do not save
2578        }
2579    }
2580
2581    @Override
2582    public void onRequestPermissionsResult(
2583            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2584        final PermissionUtils.PermissionResult permissionResult =
2585                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2586        if (grantResults.length > 0) {
2587            if (allGranted(permissionResult.grantResults)) {
2588                switch (requestCode) {
2589                    case REQUEST_START_DOWNLOAD:
2590                        if (this.mPendingDownloadableMessage != null) {
2591                            startDownloadable(this.mPendingDownloadableMessage);
2592                        }
2593                        break;
2594                    case REQUEST_ADD_EDITOR_CONTENT:
2595                        if (this.mPendingEditorContent != null) {
2596                            attachEditorContentToConversation(this.mPendingEditorContent);
2597                        }
2598                        break;
2599                    case REQUEST_COMMIT_ATTACHMENTS:
2600                        commitAttachments();
2601                        break;
2602                    case REQUEST_START_AUDIO_CALL:
2603                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2604                        break;
2605                    case REQUEST_START_VIDEO_CALL:
2606                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2607                        break;
2608                    default:
2609                        attachFile(requestCode);
2610                        break;
2611                }
2612            } else {
2613                @StringRes int res;
2614                String firstDenied =
2615                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2616                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2617                    res = R.string.no_microphone_permission;
2618                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2619                    res = R.string.no_camera_permission;
2620                } else {
2621                    res = R.string.no_storage_permission;
2622                }
2623                Toast.makeText(
2624                                getActivity(),
2625                                getString(res, getString(R.string.app_name)),
2626                                Toast.LENGTH_SHORT)
2627                        .show();
2628            }
2629        }
2630        if (writeGranted(grantResults, permissions)) {
2631            if (activity != null && activity.xmppConnectionService != null) {
2632                activity.xmppConnectionService.getDrawableCache().evictAll();
2633                activity.xmppConnectionService.restartFileObserver();
2634            }
2635            refresh();
2636        }
2637        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
2638            XmppConnectionService.toggleForegroundService(activity);
2639        }
2640    }
2641
2642    public void startDownloadable(Message message) {
2643        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2644            this.mPendingDownloadableMessage = message;
2645            return;
2646        }
2647        Transferable transferable = message.getTransferable();
2648        if (transferable != null) {
2649            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2650                createNewConnection(message);
2651                return;
2652            }
2653            if (!transferable.start()) {
2654                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2655                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2656                        .show();
2657            }
2658        } else if (message.treatAsDownloadable()
2659                || message.hasFileOnRemoteHost()
2660                || MessageUtils.unInitiatedButKnownSize(message)) {
2661            createNewConnection(message);
2662        } else {
2663            Log.d(
2664                    Config.LOGTAG,
2665                    message.getConversation().getAccount() + ": unable to start downloadable");
2666        }
2667    }
2668
2669    private void createNewConnection(final Message message) {
2670        if (!activity.xmppConnectionService.hasInternetConnection()) {
2671            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2672                    .show();
2673            return;
2674        }
2675        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2676            try {
2677                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2678                message.setTransferable(transfer);
2679                transfer.start();
2680            } catch (URISyntaxException e) {
2681                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2682            }
2683        } else {
2684            activity.xmppConnectionService
2685                    .getHttpConnectionManager()
2686                    .createNewDownloadConnection(message, true);
2687        }
2688    }
2689
2690    @SuppressLint("InflateParams")
2691    protected void clearHistoryDialog(final Conversation conversation) {
2692        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2693        builder.setTitle(R.string.clear_conversation_history);
2694        final View dialogView =
2695                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2696        final CheckBox endConversationCheckBox =
2697                dialogView.findViewById(R.id.end_conversation_checkbox);
2698        builder.setView(dialogView);
2699        builder.setNegativeButton(getString(R.string.cancel), null);
2700        builder.setPositiveButton(
2701                getString(R.string.confirm),
2702                (dialog, which) -> {
2703                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2704                    if (endConversationCheckBox.isChecked()) {
2705                        this.activity.xmppConnectionService.archiveConversation(conversation);
2706                        this.activity.onConversationArchived(conversation);
2707                    } else {
2708                        activity.onConversationsListItemUpdated();
2709                        refresh();
2710                    }
2711                });
2712        builder.create().show();
2713    }
2714
2715    protected void muteConversationDialog(final Conversation conversation) {
2716        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2717        builder.setTitle(R.string.disable_notifications);
2718        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2719        final CharSequence[] labels = new CharSequence[durations.length];
2720        for (int i = 0; i < durations.length; ++i) {
2721            if (durations[i] == -1) {
2722                labels[i] = activity.getString(R.string.until_further_notice);
2723            } else {
2724                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2725            }
2726        }
2727        builder.setItems(
2728                labels,
2729                (dialog, which) -> {
2730                    final long till;
2731                    if (durations[which] == -1) {
2732                        till = Long.MAX_VALUE;
2733                    } else {
2734                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2735                    }
2736                    conversation.setMutedTill(till);
2737                    activity.xmppConnectionService.updateConversation(conversation);
2738                    activity.onConversationsListItemUpdated();
2739                    refresh();
2740                    activity.invalidateOptionsMenu();
2741                });
2742        builder.create().show();
2743    }
2744
2745    private boolean hasPermissions(int requestCode, List<String> permissions) {
2746        final List<String> missingPermissions = new ArrayList<>();
2747        for (String permission : permissions) {
2748            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2749                continue;
2750            }
2751            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2752                missingPermissions.add(permission);
2753            }
2754        }
2755        if (missingPermissions.size() == 0) {
2756            return true;
2757        } else {
2758            requestPermissions(
2759                    missingPermissions.toArray(new String[0]),
2760                    requestCode);
2761            return false;
2762        }
2763    }
2764
2765    private boolean hasPermissions(int requestCode, String... permissions) {
2766        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2767    }
2768
2769    public void unMuteConversation(final Conversation conversation) {
2770        conversation.setMutedTill(0);
2771        this.activity.xmppConnectionService.updateConversation(conversation);
2772        this.activity.onConversationsListItemUpdated();
2773        refresh();
2774        this.activity.invalidateOptionsMenu();
2775    }
2776
2777    protected void invokeAttachFileIntent(final int attachmentChoice) {
2778        Intent intent = new Intent();
2779
2780        final var takePhotoIntent = new Intent();
2781        final Uri takePhotoUri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2782        pendingTakePhotoUri.push(takePhotoUri);
2783        takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoUri);
2784        takePhotoIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2785        takePhotoIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2786        takePhotoIntent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2787
2788        final var takeVideoIntent = new Intent();
2789        takeVideoIntent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2790
2791        switch (attachmentChoice) {
2792            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2793                intent.setAction(Intent.ACTION_GET_CONTENT);
2794                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2795                intent.setType("*/*");
2796                intent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
2797                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2798                intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { takePhotoIntent, takeVideoIntent });
2799                break;
2800            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2801                intent = takeVideoIntent;
2802                break;
2803            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2804                intent = takePhotoIntent;
2805                break;
2806            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2807                intent.setAction(Intent.ACTION_GET_CONTENT);
2808                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2809                intent.setType("*/*");
2810                intent.addCategory(Intent.CATEGORY_OPENABLE);
2811                intent = Intent.createChooser(intent, getString(R.string.perform_action_with));
2812                break;
2813            case ATTACHMENT_CHOICE_RECORD_VOICE:
2814                intent = new Intent(getActivity(), RecordingActivity.class);
2815                break;
2816            case ATTACHMENT_CHOICE_LOCATION:
2817                intent = GeoHelper.getFetchIntent(activity);
2818                break;
2819        }
2820        final Context context = getActivity();
2821        if (context == null) {
2822            return;
2823        }
2824        try {
2825            startActivityForResult(intent, attachmentChoice);
2826        } catch (final ActivityNotFoundException e) {
2827            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2828        }
2829    }
2830
2831    @Override
2832    public void onResume() {
2833        super.onResume();
2834        binding.messagesView.post(this::fireReadEvent);
2835    }
2836
2837    private void fireReadEvent() {
2838        if (activity != null && this.conversation != null) {
2839            String uuid = getLastVisibleMessageUuid();
2840            if (uuid != null) {
2841                activity.onConversationRead(this.conversation, uuid);
2842            }
2843        }
2844    }
2845
2846    private void newSubThread() {
2847        Element oldThread = conversation.getThread();
2848        Element thread = new Element("thread", "jabber:client");
2849        thread.setContent(UUID.randomUUID().toString());
2850        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2851        setThread(thread);
2852    }
2853
2854    private void newThread() {
2855        Element thread = new Element("thread", "jabber:client");
2856        thread.setContent(UUID.randomUUID().toString());
2857        setThread(thread);
2858    }
2859
2860    private void updateThreadFromLastMessage() {
2861        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2862            Message message = getLastVisibleMessage();
2863            if (message == null) {
2864                newThread();
2865            } else {
2866                if (conversation.getMode() == Conversation.MODE_MULTI) {
2867                    if (activity == null || activity.xmppConnectionService == null) return;
2868                    if (message.getStatus() < Message.STATUS_SEND) {
2869                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2870                    }
2871                }
2872
2873                setThread(message.getThread());
2874            }
2875        }
2876    }
2877
2878    private String getLastVisibleMessageUuid() {
2879        Message message =  getLastVisibleMessage();
2880        return message == null ? null : message.getUuid();
2881    }
2882
2883    private Message getLastVisibleMessage() {
2884        if (binding == null) {
2885            return null;
2886        }
2887        synchronized (this.messageList) {
2888            int pos = binding.messagesView.getLastVisiblePosition();
2889            if (pos >= 0) {
2890                Message message = null;
2891                for (int i = pos; i >= 0; --i) {
2892                    try {
2893                        message = (Message) binding.messagesView.getItemAtPosition(i);
2894                    } catch (IndexOutOfBoundsException e) {
2895                        // should not happen if we synchronize properly. however if that fails we
2896                        // just gonna try item -1
2897                        continue;
2898                    }
2899                    if (message.getType() != Message.TYPE_STATUS) {
2900                        break;
2901                    }
2902                }
2903                if (message != null) {
2904                    while (message.next() != null && message.next().wasMergedIntoPrevious(activity == null ? null : activity.xmppConnectionService)) {
2905                        message = message.next();
2906                    }
2907                    return message;
2908                }
2909            }
2910        }
2911        return null;
2912    }
2913
2914    public void jumpTo(final Message message) {
2915        if (message.getUuid() == null) return;
2916        for (int i = 0; i < messageList.size(); i++) {
2917            final var m = messageList.get(i);
2918            if (m == null) continue;
2919            if (message.getUuid().equals(m.getUuid())) {
2920                binding.messagesView.setSelection(i);
2921                return;
2922            }
2923        }
2924    }
2925
2926    private void openWith(final Message message) {
2927        if (message.isGeoUri()) {
2928            GeoHelper.view(getActivity(), message);
2929        } else {
2930            final DownloadableFile file =
2931                    activity.xmppConnectionService.getFileBackend().getFile(message);
2932            ViewUtil.view(activity, file);
2933        }
2934    }
2935
2936    private void addReaction(final Message message) {
2937        activity.addReaction(message, reactions -> activity.xmppConnectionService.sendReactions(message, reactions));
2938    }
2939
2940    private void reportMessage(final Message message) {
2941        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2942    }
2943
2944    private void showErrorMessage(final Message message) {
2945        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
2946        builder.setTitle(R.string.error_message);
2947        final String errorMessage = message.getErrorMessage();
2948        final String[] errorMessageParts =
2949                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2950        final String displayError;
2951        if (errorMessageParts.length == 2) {
2952            displayError = errorMessageParts[1];
2953        } else {
2954            displayError = errorMessage;
2955        }
2956        builder.setMessage(displayError);
2957        builder.setNegativeButton(
2958                R.string.copy_to_clipboard,
2959                (dialog, which) -> {
2960                    activity.copyTextToClipboard(displayError, R.string.error_message);
2961                    Toast.makeText(
2962                                    activity,
2963                                    R.string.error_message_copied_to_clipboard,
2964                                    Toast.LENGTH_SHORT)
2965                            .show();
2966                });
2967        builder.setPositiveButton(R.string.confirm, null);
2968        builder.create().show();
2969    }
2970
2971    public boolean onInlineImageLongClicked(Cid cid) {
2972        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2973        if (f == null) return false;
2974
2975        saveAsSticker(f, null);
2976        return true;
2977    }
2978
2979    private void saveAsSticker(final Message m) {
2980        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2981        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2982        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2983    }
2984
2985    private void saveAsSticker(final File file, final String name) {
2986        savingAsSticker = file;
2987
2988        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2989        intent.addCategory(Intent.CATEGORY_OPENABLE);
2990        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2991        intent.putExtra(Intent.EXTRA_TITLE, name);
2992
2993        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2994        final String dir = p.getString("sticker_directory", "Stickers");
2995        if (dir.startsWith("content://")) {
2996            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2997        } else {
2998            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2999            Uri uri;
3000            if (Build.VERSION.SDK_INT >= 29) {
3001                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
3002                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
3003                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
3004            } else {
3005                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
3006            }
3007            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
3008            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
3009        }
3010
3011        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
3012        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
3013    }
3014
3015    private void deleteFile(final Message message) {
3016        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
3017        builder.setNegativeButton(R.string.cancel, null);
3018        builder.setTitle(R.string.delete_file_dialog);
3019        builder.setMessage(R.string.delete_file_dialog_msg);
3020        builder.setPositiveButton(
3021                R.string.confirm,
3022                (dialog, which) -> {
3023                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
3024                    if (thumbs != null && !thumbs.isEmpty()) {
3025                        for (Element thumb : thumbs) {
3026                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
3027                            if (uri.getScheme().equals("cid")) {
3028                                Cid cid = BobTransfer.cid(uri);
3029                                if (cid == null) continue;
3030                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
3031                                activity.xmppConnectionService.evictPreview(f);
3032                                f.delete();
3033                            }
3034                        }
3035                    }
3036                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
3037                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
3038                        activity.xmppConnectionService.updateMessage(message, false);
3039                        activity.onConversationsListItemUpdated();
3040                        refresh();
3041                    }
3042                });
3043        builder.create().show();
3044    }
3045
3046    private void resendMessage(final Message message) {
3047        if (message.isFileOrImage()) {
3048            if (!(message.getConversation() instanceof Conversation)) {
3049                return;
3050            }
3051            final Conversation conversation = (Conversation) message.getConversation();
3052            final DownloadableFile file =
3053                    activity.xmppConnectionService.getFileBackend().getFile(message);
3054            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
3055                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
3056                if (!message.hasFileOnRemoteHost()
3057                        && xmppConnection != null
3058                        && conversation.getMode() == Conversational.MODE_SINGLE
3059                        && !xmppConnection
3060                                .getFeatures()
3061                                .httpUpload(message.getFileParams().getSize())) {
3062                    activity.selectPresence(
3063                            conversation,
3064                            () -> {
3065                                message.setCounterpart(conversation.getNextCounterpart());
3066                                activity.xmppConnectionService.resendFailedMessages(message);
3067                                new Handler()
3068                                        .post(
3069                                                () -> {
3070                                                    int size = messageList.size();
3071                                                    this.binding.messagesView.setSelection(
3072                                                            size - 1);
3073                                                });
3074                            });
3075                    return;
3076                }
3077            } else if (!Compatibility.hasStoragePermission(getActivity())) {
3078                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
3079                return;
3080            } else {
3081                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
3082                message.setDeleted(true);
3083                activity.xmppConnectionService.updateMessage(message, false);
3084                activity.onConversationsListItemUpdated();
3085                refresh();
3086                return;
3087            }
3088        }
3089        activity.xmppConnectionService.resendFailedMessages(message);
3090        new Handler()
3091                .post(
3092                        () -> {
3093                            int size = messageList.size();
3094                            this.binding.messagesView.setSelection(size - 1);
3095                        });
3096    }
3097
3098    private void cancelTransmission(Message message) {
3099        Transferable transferable = message.getTransferable();
3100        if (transferable != null) {
3101            transferable.cancel();
3102        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
3103            activity.xmppConnectionService.markMessage(
3104                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
3105        }
3106    }
3107
3108    private void retryDecryption(Message message) {
3109        message.setEncryption(Message.ENCRYPTION_PGP);
3110        activity.onConversationsListItemUpdated();
3111        refresh();
3112        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
3113    }
3114
3115    public void privateMessageWith(final Jid counterpart) {
3116        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3117            activity.xmppConnectionService.sendChatState(conversation);
3118        }
3119        this.binding.textinput.setText("");
3120        this.conversation.setNextCounterpart(counterpart);
3121        updateChatMsgHint();
3122        updateSendButton();
3123        updateEditablity();
3124    }
3125
3126    private void correctMessage(Message message) {
3127        while (message.mergeable(message.next())) {
3128            message = message.next();
3129        }
3130        setThread(message.getThread());
3131        conversation.setUserSelectedThread(true);
3132        this.conversation.setCorrectingMessage(message);
3133        final Editable editable = binding.textinput.getText();
3134        this.conversation.setDraftMessage(editable.toString());
3135        this.binding.textinput.setText("");
3136        this.binding.textinput.append(message.getBody(true));
3137        if (message.getSubject() != null && message.getSubject().length() > 0) {
3138            this.binding.textinputSubject.setText(message.getSubject());
3139            this.binding.textinputSubject.setVisibility(View.VISIBLE);
3140        }
3141        final var replyTo = message.getInReplyTo();
3142        if (replyTo != null) {
3143            setupReply(replyTo);
3144        }
3145    }
3146
3147    private void highlightInConference(String nick) {
3148        final Editable editable = this.binding.textinput.getText();
3149        String oldString = editable.toString().trim();
3150        final int pos = this.binding.textinput.getSelectionStart();
3151        if (oldString.isEmpty() || pos == 0) {
3152            editable.insert(0, nick + ": ");
3153        } else {
3154            final char before = editable.charAt(pos - 1);
3155            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
3156            if (before == '\n') {
3157                editable.insert(pos, nick + ": ");
3158            } else {
3159                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
3160                    if (NickValidityChecker.check(
3161                            conversation,
3162                            Arrays.asList(
3163                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
3164                        editable.insert(pos - 2, ", " + nick);
3165                        return;
3166                    }
3167                }
3168                editable.insert(
3169                        pos,
3170                        (Character.isWhitespace(before) ? "" : " ")
3171                                + nick
3172                                + (Character.isWhitespace(after) ? "" : " "));
3173                if (Character.isWhitespace(after)) {
3174                    this.binding.textinput.setSelection(
3175                            this.binding.textinput.getSelectionStart() + 1);
3176                }
3177            }
3178        }
3179    }
3180
3181    @Override
3182    public void startActivityForResult(Intent intent, int requestCode) {
3183        final Activity activity = getActivity();
3184        if (activity instanceof ConversationsActivity) {
3185            ((ConversationsActivity) activity).clearPendingViewIntent();
3186        }
3187        super.startActivityForResult(intent, requestCode);
3188    }
3189
3190    @Override
3191    public void onSaveInstanceState(@NonNull Bundle outState) {
3192        super.onSaveInstanceState(outState);
3193        if (conversation != null) {
3194            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
3195            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
3196            final Uri uri = pendingTakePhotoUri.peek();
3197            if (uri != null) {
3198                outState.putString(STATE_PHOTO_URI, uri.toString());
3199            }
3200            final ScrollState scrollState = getScrollPosition();
3201            if (scrollState != null) {
3202                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
3203            }
3204            final ArrayList<Attachment> attachments =
3205                    mediaPreviewAdapter == null
3206                            ? new ArrayList<>()
3207                            : mediaPreviewAdapter.getAttachments();
3208            if (attachments.size() > 0) {
3209                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
3210            }
3211        }
3212    }
3213
3214    @Override
3215    public void onActivityCreated(Bundle savedInstanceState) {
3216        super.onActivityCreated(savedInstanceState);
3217        if (savedInstanceState == null) {
3218            return;
3219        }
3220        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
3221        ArrayList<Attachment> attachments =
3222                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
3223        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
3224        if (uuid != null) {
3225            QuickLoader.set(uuid);
3226            this.pendingConversationsUuid.push(uuid);
3227            if (attachments != null && attachments.size() > 0) {
3228                this.pendingMediaPreviews.push(attachments);
3229            }
3230            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
3231            if (takePhotoUri != null) {
3232                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
3233            }
3234            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
3235        }
3236    }
3237
3238    @Override
3239    public void onStart() {
3240        super.onStart();
3241        if (this.reInitRequiredOnStart && this.conversation != null) {
3242            final Bundle extras = pendingExtras.pop();
3243            reInit(this.conversation, extras != null);
3244            if (extras != null) {
3245                processExtras(extras);
3246            }
3247        } else if (conversation == null
3248                && activity != null
3249                && activity.xmppConnectionService != null) {
3250            final String uuid = pendingConversationsUuid.pop();
3251            Log.d(
3252                    Config.LOGTAG,
3253                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
3254                            + uuid);
3255            if (uuid != null) {
3256                findAndReInitByUuidOrArchive(uuid);
3257            }
3258        }
3259    }
3260
3261    @Override
3262    public void onStop() {
3263        super.onStop();
3264        final Activity activity = getActivity();
3265        messageListAdapter.unregisterListenerInAudioPlayer();
3266        if (activity == null || !activity.isChangingConfigurations()) {
3267            hideSoftKeyboard(activity);
3268            messageListAdapter.stopAudioPlayer();
3269        }
3270        if (this.conversation != null) {
3271            final String msg = this.binding.textinput.getText().toString();
3272            storeNextMessage(msg);
3273            updateChatState(this.conversation, msg);
3274            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
3275        }
3276        this.reInitRequiredOnStart = true;
3277    }
3278
3279    private void updateChatState(final Conversation conversation, final String msg) {
3280        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
3281        Account.State status = conversation.getAccount().getStatus();
3282        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
3283            activity.xmppConnectionService.sendChatState(conversation);
3284        }
3285    }
3286
3287    private void saveMessageDraftStopAudioPlayer() {
3288        final Conversation previousConversation = this.conversation;
3289        if (this.activity == null || this.binding == null || previousConversation == null) {
3290            return;
3291        }
3292        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
3293        final String msg = this.binding.textinput.getText().toString();
3294        storeNextMessage(msg);
3295        updateChatState(this.conversation, msg);
3296        messageListAdapter.stopAudioPlayer();
3297        mediaPreviewAdapter.clearPreviews();
3298        toggleInputMethod();
3299    }
3300
3301    public void reInit(final Conversation conversation, final Bundle extras) {
3302        QuickLoader.set(conversation.getUuid());
3303        final boolean changedConversation = this.conversation != conversation;
3304        if (changedConversation) {
3305            this.saveMessageDraftStopAudioPlayer();
3306        }
3307        this.clearPending();
3308        if (this.reInit(conversation, extras != null)) {
3309            if (extras != null) {
3310                processExtras(extras);
3311            }
3312            this.reInitRequiredOnStart = false;
3313        } else {
3314            this.reInitRequiredOnStart = true;
3315            pendingExtras.push(extras);
3316        }
3317        resetUnreadMessagesCount();
3318    }
3319
3320    private void reInit(Conversation conversation) {
3321        reInit(conversation, false);
3322    }
3323
3324    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
3325        if (conversation == null) {
3326            return false;
3327        }
3328        final Conversation originalConversation = this.conversation;
3329        this.conversation = conversation;
3330        // once we set the conversation all is good and it will automatically do the right thing in
3331        // onStart()
3332        if (this.activity == null || this.binding == null) {
3333            return false;
3334        }
3335
3336        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3337            activity.onConversationArchived(this.conversation);
3338            return false;
3339        }
3340
3341        final var cursord = activity.getDrawable(R.drawable.cursor_on_tertiary_container);
3342        if (activity.xmppConnectionService != null && activity.xmppConnectionService.getAccounts().size() > 1) {
3343            final var bg = MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorSurface);
3344            final var accountColor = conversation.getAccount().getColor(activity.isDark());
3345            final var colors = MaterialColors.getColorRoles(activity, accountColor);
3346            final var accent = activity.isDark() ? ColorUtils.blendARGB(colors.getAccentContainer(), bg, 1.0f - Math.max(0.25f, Color.alpha(accountColor) / 255.0f)) : colors.getAccentContainer();
3347            cursord.setTintList(ColorStateList.valueOf(colors.getOnAccentContainer()));
3348            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(accent));
3349            binding.textinputSubject.setTextColor(colors.getOnAccentContainer());
3350            binding.textinput.setTextColor(colors.getOnAccentContainer());
3351            binding.textinputSubject.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3352            binding.textinput.setHintTextColor(ColorStateList.valueOf(colors.getOnAccentContainer()).withAlpha(115));
3353            binding.textInputHint.setTextColor(colors.getOnAccentContainer());
3354        } else {
3355            cursord.setTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer)));
3356            binding.inputLayout.setBackgroundTintList(ColorStateList.valueOf(MaterialColors.getColor(binding.inputLayout, com.google.android.material.R.attr.colorTertiaryContainer)));
3357            binding.textinputSubject.setTextColor(MaterialColors.getColor(binding.textinputSubject, com.google.android.material.R.attr.colorOnTertiaryContainer));
3358            binding.textinput.setTextColor(MaterialColors.getColor(binding.textinput, com.google.android.material.R.attr.colorOnTertiaryContainer));
3359            binding.textinputSubject.setHintTextColor(R.color.hint_on_tertiary_container);
3360            binding.textinput.setHintTextColor(R.color.hint_on_tertiary_container);
3361            binding.textInputHint.setTextColor(MaterialColors.getColor(binding.textInputHint, com.google.android.material.R.attr.colorOnTertiaryContainer));
3362        }
3363        if (Build.VERSION.SDK_INT >= 29) {
3364            binding.textinputSubject.setTextCursorDrawable(cursord);
3365            binding.textinput.setTextCursorDrawable(cursord);
3366        }
3367
3368        setThread(conversation.getThread());
3369        setupReply(conversation.getReplyTo());
3370
3371        stopScrolling();
3372        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3373
3374        if (this.conversation.isRead(activity == null ? null : activity.xmppConnectionService) && hasExtras) {
3375            Log.d(Config.LOGTAG, "trimming conversation");
3376            this.conversation.trim();
3377        }
3378
3379        setupIme();
3380
3381        final boolean scrolledToBottomAndNoPending =
3382                this.scrolledToBottom() && pendingScrollState.peek() == null;
3383
3384        this.binding.textSendButton.setContentDescription(
3385                activity.getString(R.string.send_message_to_x, conversation.getName()));
3386        this.binding.textinput.setKeyboardListener(null);
3387        this.binding.textinputSubject.setKeyboardListener(null);
3388        final boolean participating =
3389                conversation.getMode() == Conversational.MODE_SINGLE
3390                        || conversation.getMucOptions().participating();
3391        if (participating) {
3392            this.binding.textinput.setText(this.conversation.getNextMessage());
3393            this.binding.textinput.setSelection(this.binding.textinput.length());
3394        } else {
3395            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3396        }
3397        this.binding.textinput.setKeyboardListener(this);
3398        this.binding.textinputSubject.setKeyboardListener(this);
3399        messageListAdapter.updatePreferences();
3400        refresh(false);
3401        activity.invalidateOptionsMenu();
3402        this.conversation.messagesLoaded.set(true);
3403        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3404
3405        if (hasExtras || scrolledToBottomAndNoPending) {
3406            resetUnreadMessagesCount();
3407            synchronized (this.messageList) {
3408                Log.d(Config.LOGTAG, "jump to first unread message");
3409                final Message first = conversation.getFirstUnreadMessage();
3410                final int bottom = Math.max(0, this.messageList.size() - 1);
3411                final int pos;
3412                final boolean jumpToBottom;
3413                if (first == null) {
3414                    pos = bottom;
3415                    jumpToBottom = true;
3416                } else {
3417                    int i = getIndexOf(first.getUuid(), this.messageList);
3418                    pos = i < 0 ? bottom : i;
3419                    jumpToBottom = false;
3420                }
3421                setSelection(pos, jumpToBottom);
3422            }
3423        }
3424
3425        this.binding.messagesView.post(this::fireReadEvent);
3426        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3427        // layout which might be unnecessary since we can *see* it
3428        activity.xmppConnectionService
3429                .getNotificationService()
3430                .setOpenConversation(this.conversation);
3431
3432        if (commandAdapter != null && conversation != originalConversation) {
3433            commandAdapter.clear();
3434            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3435            refreshCommands(false);
3436        }
3437        if (commandAdapter == null && conversation != null) {
3438            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3439            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3440            binding.commandsView.setAdapter(commandAdapter);
3441            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3442                if (activity == null) return;
3443
3444                commandAdapter.getItem(position).start(activity, ConversationFragment.this.conversation);
3445            });
3446            refreshCommands(false);
3447        }
3448
3449        binding.commandsNote.setVisibility(activity.xmppConnectionService.isOnboarding() ? View.VISIBLE : View.GONE);
3450
3451        return true;
3452    }
3453
3454    @Override
3455    public void refreshForNewCaps(final Set<Jid> newCapsJids) {
3456        if (newCapsJids.isEmpty() || (conversation != null && newCapsJids.contains(conversation.getJid().asBareJid()))) {
3457            refreshCommands(true);
3458        }
3459    }
3460
3461    protected void refreshCommands(boolean delayShow) {
3462        if (commandAdapter == null) return;
3463
3464        final CommandAdapter.MucConfig mucConfig =
3465            conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER) ?
3466            new CommandAdapter.MucConfig() :
3467            null;
3468
3469        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3470        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3471            commandJid = conversation.getJid().asBareJid();
3472        }
3473        if (commandJid == null && conversation.getJid().isDomainJid()) {
3474            commandJid = conversation.getJid();
3475        }
3476        if (commandJid == null) {
3477            binding.commandsViewProgressbar.setVisibility(View.GONE);
3478            if (mucConfig == null) {
3479                conversation.hideViewPager();
3480            } else {
3481                commandAdapter.clear();
3482                commandAdapter.add(mucConfig);
3483                conversation.showViewPager();
3484            }
3485        } else {
3486            if (!delayShow) conversation.showViewPager();
3487            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3488            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (iq) -> {
3489                if (activity == null) return;
3490
3491                activity.runOnUiThread(() -> {
3492                    binding.commandsViewProgressbar.setVisibility(View.GONE);
3493                    commandAdapter.clear();
3494                    if (iq.getType() == Iq.Type.RESULT) {
3495                        for (Element child : iq.query().getChildren()) {
3496                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3497                            commandAdapter.add(new CommandAdapter.Command0050(child));
3498                        }
3499                    }
3500
3501                    if (mucConfig != null) commandAdapter.add(mucConfig);
3502
3503                    if (commandAdapter.getCount() < 1) {
3504                        conversation.hideViewPager();
3505                    } else if (delayShow) {
3506                        conversation.showViewPager();
3507                    }
3508                });
3509            });
3510        }
3511    }
3512
3513    private void resetUnreadMessagesCount() {
3514        lastMessageUuid = null;
3515        hideUnreadMessagesCount();
3516    }
3517
3518    private void hideUnreadMessagesCount() {
3519        if (this.binding == null) {
3520            return;
3521        }
3522        this.binding.scrollToBottomButton.setEnabled(false);
3523        this.binding.scrollToBottomButton.hide();
3524        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3525    }
3526
3527    private void setSelection(int pos, boolean jumpToBottom) {
3528        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3529        this.binding.messagesView.post(
3530                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3531        this.binding.messagesView.post(this::fireReadEvent);
3532    }
3533
3534    private boolean scrolledToBottom() {
3535        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3536    }
3537
3538    private void processExtras(final Bundle extras) {
3539        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3540        final String text = extras.getString(Intent.EXTRA_TEXT);
3541        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3542        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3543        final String postInitAction =
3544                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3545        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3546        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3547        final boolean doNotAppend =
3548                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3549        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3550
3551        final String thread = extras.getString(ConversationsActivity.EXTRA_THREAD);
3552        if (thread != null) {
3553            conversation.setLockThread(true);
3554            backPressedLeaveSingleThread.setEnabled(true);
3555            setThread(new Element("thread").setContent(thread));
3556            refresh();
3557        }
3558
3559        final List<Uri> uris = extractUris(extras);
3560        if (uris != null && uris.size() > 0) {
3561            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3562                mediaPreviewAdapter.addMediaPreviews(
3563                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3564            } else {
3565                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3566                mediaPreviewAdapter.addMediaPreviews(
3567                        Attachment.of(getActivity(), cleanedUris, type));
3568            }
3569            toggleInputMethod();
3570            return;
3571        }
3572        if (nick != null) {
3573            if (pm) {
3574                Jid jid = conversation.getJid();
3575                try {
3576                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3577                    privateMessageWith(next);
3578                } catch (final IllegalArgumentException ignored) {
3579                    // do nothing
3580                }
3581            } else {
3582                final MucOptions mucOptions = conversation.getMucOptions();
3583                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3584                    highlightInConference(nick);
3585                }
3586            }
3587        } else {
3588            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3589                mediaPreviewAdapter.addMediaPreviews(
3590                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3591                toggleInputMethod();
3592                return;
3593            } else if (text != null && asQuote) {
3594                quoteText(text);
3595            } else {
3596                appendText(text, doNotAppend);
3597            }
3598        }
3599        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3600            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3601            return;
3602        }
3603        if ("call".equals(postInitAction)) {
3604            checkPermissionAndTriggerAudioCall();
3605        }
3606        if ("message".equals(postInitAction)) {
3607            binding.conversationViewPager.post(() -> {
3608                binding.conversationViewPager.setCurrentItem(0);
3609            });
3610        }
3611        if ("command".equals(postInitAction)) {
3612            binding.conversationViewPager.post(() -> {
3613                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3614                if (adapter != null && adapter.getCount() > 1) {
3615                    binding.conversationViewPager.setCurrentItem(1);
3616                }
3617                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3618                Jid commandJid = null;
3619                if (jid != null) {
3620                    try {
3621                        commandJid = Jid.of(jid);
3622                    } catch (final IllegalArgumentException e) { }
3623                }
3624                if (commandJid == null || !commandJid.isFullJid()) {
3625                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3626                    if (discoJid != null) commandJid = discoJid;
3627                }
3628                if (node != null && commandJid != null && activity != null) {
3629                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3630                }
3631            });
3632            return;
3633        }
3634        Message message =
3635                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3636        if ("webxdc".equals(postInitAction)) {
3637            if (message == null) {
3638                message = activity.xmppConnectionService.getMessage(conversation, downloadUuid);
3639            }
3640            if (message == null) return;
3641
3642            Cid webxdcCid = message.getFileParams().getCids().get(0);
3643            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3644            Conversation conversation = (Conversation) message.getConversation();
3645            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3646                conversation.startWebxdc(webxdc);
3647            }
3648        }
3649        if (message != null) {
3650            startDownloadable(message);
3651        }
3652        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3653            if (!conversation.switchToSession("jabber:iq:register")) {
3654                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3655            }
3656        }
3657    }
3658
3659    private Element commandFor(final Jid jid, final String node) {
3660        if (commandAdapter != null) {
3661            for (int i = 0; i < commandAdapter.getCount(); i++) {
3662                final CommandAdapter.Command c = commandAdapter.getItem(i);
3663                if (!(c instanceof CommandAdapter.Command0050)) continue;
3664
3665                final Element command = ((CommandAdapter.Command0050) c).el;
3666                final String commandNode = command.getAttribute("node");
3667                if (commandNode == null || !commandNode.equals(node)) continue;
3668
3669                final Jid commandJid = command.getAttributeAsJid("jid");
3670                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3671
3672                return command;
3673            }
3674        }
3675
3676        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3677    }
3678
3679    private List<Uri> extractUris(final Bundle extras) {
3680        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3681        if (uris != null) {
3682            return uris;
3683        }
3684        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3685        if (uri != null) {
3686            return Collections.singletonList(uri);
3687        } else {
3688            return null;
3689        }
3690    }
3691
3692    private List<Uri> cleanUris(final List<Uri> uris) {
3693        final Iterator<Uri> iterator = uris.iterator();
3694        while (iterator.hasNext()) {
3695            final Uri uri = iterator.next();
3696            if (FileBackend.dangerousFile(uri)) {
3697                iterator.remove();
3698                Toast.makeText(
3699                                requireActivity(),
3700                                R.string.security_violation_not_attaching_file,
3701                                Toast.LENGTH_SHORT)
3702                        .show();
3703            }
3704        }
3705        return uris;
3706    }
3707
3708    private boolean showBlockSubmenu(View view) {
3709        final Jid jid = conversation.getJid();
3710        final int mode = conversation.getMode();
3711        final var contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3712        final boolean showReject = contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3713        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3714        popupMenu.inflate(R.menu.block);
3715        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3716        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3717        popupMenu.getMenu().findItem(R.id.add_contact).setVisible(!contact.showInRoster());
3718        popupMenu.setOnMenuItemClickListener(
3719                menuItem -> {
3720                    Blockable blockable;
3721                    switch (menuItem.getItemId()) {
3722                        case R.id.reject:
3723                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3724                                    conversation.getContact());
3725                            updateSnackBar(conversation);
3726                            return true;
3727                        case R.id.add_contact:
3728                            mAddBackClickListener.onClick(view);
3729                            return true;
3730                        case R.id.block_domain:
3731                            blockable =
3732                                    conversation
3733                                            .getAccount()
3734                                            .getRoster()
3735                                            .getContact(jid.getDomain());
3736                            break;
3737                        default:
3738                            blockable = conversation;
3739                    }
3740                    BlockContactDialog.show(activity, blockable);
3741                    return true;
3742                });
3743        popupMenu.show();
3744        return true;
3745    }
3746
3747    private boolean showBlockMucSubmenu(View view) {
3748        final var jid = conversation.getJid();
3749        final var popupMenu = new PopupMenu(getActivity(), view);
3750        popupMenu.inflate(R.menu.block_muc);
3751        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3752        popupMenu.setOnMenuItemClickListener(
3753                menuItem -> {
3754                    Blockable blockable;
3755                    switch (menuItem.getItemId()) {
3756                        case R.id.reject:
3757                            activity.xmppConnectionService.clearConversationHistory(conversation);
3758                            activity.xmppConnectionService.archiveConversation(conversation);
3759                            return true;
3760                        case R.id.add_bookmark:
3761                            activity.xmppConnectionService.saveConversationAsBookmark(conversation, "");
3762                            updateSnackBar(conversation);
3763                            return true;
3764                        case R.id.block_contact:
3765                            blockable =
3766                                    conversation
3767                                            .getAccount()
3768                                            .getRoster()
3769                                            .getContact(Jid.of(conversation.getAttribute("inviter")));
3770                            break;
3771                        default:
3772                            blockable = conversation;
3773                    }
3774                    BlockContactDialog.show(activity, blockable);
3775                    activity.xmppConnectionService.archiveConversation(conversation);
3776                    return true;
3777                });
3778        popupMenu.show();
3779        return true;
3780    }
3781
3782    private void updateSnackBar(final Conversation conversation) {
3783        final Account account = conversation.getAccount();
3784        final XmppConnection connection = account.getXmppConnection();
3785        final int mode = conversation.getMode();
3786        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3787        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3788            return;
3789        }
3790        if (account.getStatus() == Account.State.DISABLED) {
3791            showSnackbar(
3792                    R.string.this_account_is_disabled,
3793                    R.string.enable,
3794                    this.mEnableAccountListener);
3795        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
3796            showSnackbar(R.string.this_account_is_logged_out,R.string.log_in,this.mEnableAccountListener);
3797        } else if (conversation.isBlocked()) {
3798            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3799        } else if (account.getStatus() == Account.State.CONNECTING) {
3800            showSnackbar(R.string.this_account_is_connecting, 0, null);
3801        } else if (account.getStatus() != Account.State.ONLINE) {
3802            showSnackbar(R.string.this_account_is_offline, 0, null);
3803        } else if (contact != null
3804                && !contact.showInRoster()
3805                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3806            showSnackbar(
3807                    R.string.contact_added_you,
3808                    R.string.options,
3809                    this.mBlockClickListener,
3810                    this.mLongPressBlockListener);
3811        } else if (contact != null
3812                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3813            showSnackbar(
3814                    R.string.contact_asks_for_presence_subscription,
3815                    R.string.allow,
3816                    this.mAllowPresenceSubscription,
3817                    this.mLongPressBlockListener);
3818        } else if (mode == Conversation.MODE_MULTI
3819                && !conversation.getMucOptions().online()
3820                && account.getStatus() == Account.State.ONLINE) {
3821            switch (conversation.getMucOptions().getError()) {
3822                case NICK_IN_USE:
3823                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3824                    break;
3825                case NO_RESPONSE:
3826                    showSnackbar(R.string.joining_conference, 0, null);
3827                    break;
3828                case SERVER_NOT_FOUND:
3829                    if (conversation.receivedMessagesCount() > 0) {
3830                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3831                    } else {
3832                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3833                    }
3834                    break;
3835                case REMOTE_SERVER_TIMEOUT:
3836                    if (conversation.receivedMessagesCount() > 0) {
3837                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3838                    } else {
3839                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3840                    }
3841                    break;
3842                case PASSWORD_REQUIRED:
3843                    showSnackbar(
3844                            R.string.conference_requires_password,
3845                            R.string.enter_password,
3846                            enterPassword);
3847                    break;
3848                case BANNED:
3849                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3850                    break;
3851                case MEMBERS_ONLY:
3852                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3853                    break;
3854                case RESOURCE_CONSTRAINT:
3855                    showSnackbar(
3856                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3857                    break;
3858                case KICKED:
3859                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3860                    break;
3861                case TECHNICAL_PROBLEMS:
3862                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3863                    break;
3864                case UNKNOWN:
3865                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3866                    break;
3867                case INVALID_NICK:
3868                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3869                case SHUTDOWN:
3870                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3871                    break;
3872                case DESTROYED:
3873                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3874                    break;
3875                case NON_ANONYMOUS:
3876                    showSnackbar(
3877                            R.string.group_chat_will_make_your_jabber_id_public,
3878                            R.string.join,
3879                            acceptJoin);
3880                    break;
3881                default:
3882                    hideSnackbar();
3883                    break;
3884            }
3885        } else if (account.hasPendingPgpIntent(conversation)) {
3886            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3887        } else if (connection != null
3888                && connection.getFeatures().blocking()
3889                && conversation.strangerInvited()) {
3890            showSnackbar(
3891                    R.string.received_invite_from_stranger,
3892                    R.string.options,
3893                    (v) -> showBlockMucSubmenu(v),
3894                    (v) -> showBlockMucSubmenu(v));
3895        } else if (connection != null
3896                && connection.getFeatures().blocking()
3897                && conversation.countMessages() != 0
3898                && !conversation.isBlocked()
3899                && conversation.isWithStranger()) {
3900            showSnackbar(
3901                    R.string.received_message_from_stranger,
3902                    R.string.options,
3903                    this.mBlockClickListener,
3904                    this.mLongPressBlockListener);
3905        } else {
3906            hideSnackbar();
3907        }
3908    }
3909
3910    @Override
3911    public void refresh() {
3912        if (this.binding == null) {
3913            Log.d(
3914                    Config.LOGTAG,
3915                    "ConversationFragment.refresh() skipped updated because view binding was null");
3916            return;
3917        }
3918        if (this.conversation != null
3919                && this.activity != null
3920                && this.activity.xmppConnectionService != null) {
3921            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3922                activity.onConversationArchived(this.conversation);
3923                return;
3924            }
3925        }
3926        this.refresh(true);
3927    }
3928
3929    private void refresh(boolean notifyConversationRead) {
3930        synchronized (this.messageList) {
3931            if (this.conversation != null) {
3932                if (messageListAdapter.hasSelection()) {
3933                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3934                } else {
3935                    conversation.populateWithMessages(this.messageList, activity == null ? null : activity.xmppConnectionService);
3936                    updateStatusMessages();
3937                    this.messageListAdapter.notifyDataSetChanged();
3938                }
3939                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3940                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3941                    binding.unreadCountCustomView.setUnreadCount(
3942                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3943                }
3944                updateSnackBar(conversation);
3945                if (activity != null) updateChatMsgHint();
3946                if (notifyConversationRead && activity != null) {
3947                    binding.messagesView.post(this::fireReadEvent);
3948                }
3949                updateSendButton();
3950                updateEditablity();
3951                conversation.refreshSessions();
3952            }
3953        }
3954    }
3955
3956    protected void messageSent() {
3957        binding.textinputSubject.setText("");
3958        binding.textinputSubject.setVisibility(View.GONE);
3959        setThread(null);
3960        setupReply(null);
3961        conversation.setUserSelectedThread(false);
3962        mSendingPgpMessage.set(false);
3963        this.binding.textinput.setText("");
3964        if (conversation.setCorrectingMessage(null)) {
3965            this.binding.textinput.append(conversation.getDraftMessage());
3966            conversation.setDraftMessage(null);
3967        }
3968        storeNextMessage();
3969        updateChatMsgHint();
3970        if (activity == null) return;
3971        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3972        final boolean prefScrollToBottom =
3973                p.getBoolean(
3974                        "scroll_to_bottom",
3975                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3976        if (prefScrollToBottom || scrolledToBottom()) {
3977            new Handler()
3978                    .post(
3979                            () -> {
3980                                int size = messageList.size();
3981                                this.binding.messagesView.setSelection(size - 1);
3982                            });
3983        }
3984    }
3985
3986    private boolean storeNextMessage() {
3987        return storeNextMessage(this.binding.textinput.getText().toString());
3988    }
3989
3990    private boolean storeNextMessage(String msg) {
3991        final boolean participating =
3992                conversation.getMode() == Conversational.MODE_SINGLE
3993                        || conversation.getMucOptions().participating();
3994        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3995                && participating
3996                && this.conversation.setNextMessage(msg) && activity != null) {
3997            activity.xmppConnectionService.updateConversation(this.conversation);
3998            return true;
3999        }
4000        return false;
4001    }
4002
4003    public void doneSendingPgpMessage() {
4004        mSendingPgpMessage.set(false);
4005    }
4006
4007    public long getMaxHttpUploadSize(Conversation conversation) {
4008        final XmppConnection connection = conversation.getAccount().getXmppConnection();
4009        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
4010    }
4011
4012    private boolean canWrite() {
4013        return
4014                this.conversation.getMode() == Conversation.MODE_SINGLE
4015                        || this.conversation.getMucOptions().participating()
4016                        || this.conversation.getNextCounterpart() != null;
4017    }
4018
4019    private void updateEditablity() {
4020        boolean canWrite = canWrite();
4021        this.binding.textinput.setFocusable(canWrite);
4022        this.binding.textinput.setFocusableInTouchMode(canWrite);
4023        this.binding.textSendButton.setEnabled(canWrite);
4024        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
4025        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
4026        this.binding.textinput.setCursorVisible(canWrite);
4027        this.binding.textinput.setEnabled(canWrite);
4028    }
4029
4030    public void updateSendButton() {
4031        boolean hasAttachments =
4032                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
4033        final Conversation c = this.conversation;
4034        final Presence.Status status;
4035        final String text =
4036                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
4037        final SendButtonAction action;
4038        if (hasAttachments) {
4039            action = SendButtonAction.TEXT;
4040        } else {
4041            action = SendButtonTool.getAction(getActivity(), c, text, binding.textinputSubject.getText().toString());
4042        }
4043        if (c.getAccount().getStatus() == Account.State.ONLINE) {
4044            if (activity != null
4045                    && activity.xmppConnectionService != null
4046                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
4047                status = Presence.Status.OFFLINE;
4048            } else if (c.getMode() == Conversation.MODE_SINGLE) {
4049                status = c.getContact().getShownStatus();
4050            } else {
4051                status =
4052                        c.getMucOptions().online()
4053                                ? Presence.Status.ONLINE
4054                                : Presence.Status.OFFLINE;
4055            }
4056        } else {
4057            status = Presence.Status.OFFLINE;
4058        }
4059        this.binding.textSendButton.setTag(action);
4060        this.binding.textSendButton.setIconTint(ColorStateList.valueOf(SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
4061        // TODO send button color
4062        final Activity activity = getActivity();
4063        if (activity != null) {
4064            this.binding.textSendButton.setIconResource(
4065                    SendButtonTool.getSendButtonImageResource(action, text.length() > 0 || hasAttachments || (c.getThread() != null && binding.textinputSubject.getText().length() > 0)));
4066        }
4067
4068        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
4069        if (identiconWidth < 0) identiconWidth = params.width;
4070        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
4071            binding.conversationViewPager.setCurrentItem(0);
4072            params.width = conversation.getThread() == null ? 0 : identiconWidth;
4073        } else {
4074            params.width = identiconWidth;
4075        }
4076        if (!canWrite()) params.width = 0;
4077        binding.threadIdenticonLayout.setLayoutParams(params);
4078    }
4079
4080    protected void updateStatusMessages() {
4081        DateSeparator.addAll(this.messageList);
4082        if (showLoadMoreMessages(conversation)) {
4083            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
4084        }
4085        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4086            ChatState state = conversation.getIncomingChatState();
4087            if (state == ChatState.COMPOSING) {
4088                this.messageList.add(
4089                        Message.createStatusMessage(
4090                                conversation,
4091                                getString(R.string.contact_is_typing, conversation.getName())));
4092            } else if (state == ChatState.PAUSED) {
4093                this.messageList.add(
4094                        Message.createStatusMessage(
4095                                conversation,
4096                                getString(
4097                                        R.string.contact_has_stopped_typing,
4098                                        conversation.getName())));
4099            } else {
4100                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4101                    final Message message = this.messageList.get(i);
4102                    if (message.getType() != Message.TYPE_STATUS) {
4103                        if (message.getStatus() == Message.STATUS_RECEIVED) {
4104                            return;
4105                        } else {
4106                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
4107                                this.messageList.add(
4108                                        i + 1,
4109                                        Message.createStatusMessage(
4110                                                conversation,
4111                                                getString(
4112                                                        R.string.contact_has_read_up_to_this_point,
4113                                                        conversation.getName())));
4114                                return;
4115                            }
4116                        }
4117                    }
4118                }
4119            }
4120        } else {
4121            final MucOptions mucOptions = conversation.getMucOptions();
4122            final List<MucOptions.User> allUsers = mucOptions.getUsers();
4123            final Set<ReadByMarker> addedMarkers = new HashSet<>();
4124            ChatState state = ChatState.COMPOSING;
4125            List<MucOptions.User> users =
4126                    conversation.getMucOptions().getUsersWithChatState(state, 5);
4127            if (users.size() == 0) {
4128                state = ChatState.PAUSED;
4129                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
4130            }
4131            if (mucOptions.isPrivateAndNonAnonymous()) {
4132                for (int i = this.messageList.size() - 1; i >= 0; --i) {
4133                    final Set<ReadByMarker> markersForMessage =
4134                            messageList.get(i).getReadByMarkers();
4135                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
4136                    for (ReadByMarker marker : markersForMessage) {
4137                        if (!ReadByMarker.contains(marker, addedMarkers)) {
4138                            addedMarkers.add(
4139                                    marker); // may be put outside this condition. set should do
4140                                             // dedup anyway
4141                            MucOptions.User user = mucOptions.findUser(marker);
4142                            if (user != null && !users.contains(user)) {
4143                                shownMarkers.add(user);
4144                            }
4145                        }
4146                    }
4147                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
4148                    final Message statusMessage;
4149                    final int size = shownMarkers.size();
4150                    if (size > 1) {
4151                        final String body;
4152                        if (size <= 4) {
4153                            body =
4154                                    getString(
4155                                            R.string.contacts_have_read_up_to_this_point,
4156                                            UIHelper.concatNames(shownMarkers));
4157                        } else if (ReadByMarker.allUsersRepresented(
4158                                allUsers, markersForMessage, markerForSender)) {
4159                            body = getString(R.string.everyone_has_read_up_to_this_point);
4160                        } else {
4161                            body =
4162                                    getString(
4163                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
4164                                            UIHelper.concatNames(shownMarkers, 3),
4165                                            size - 3);
4166                        }
4167                        statusMessage = Message.createStatusMessage(conversation, body);
4168                        statusMessage.setCounterparts(shownMarkers);
4169                    } else if (size == 1) {
4170                        statusMessage =
4171                                Message.createStatusMessage(
4172                                        conversation,
4173                                        getString(
4174                                                R.string.contact_has_read_up_to_this_point,
4175                                                UIHelper.getDisplayName(shownMarkers.get(0))));
4176                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
4177                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
4178                    } else {
4179                        statusMessage = null;
4180                    }
4181                    if (statusMessage != null) {
4182                        this.messageList.add(i + 1, statusMessage);
4183                    }
4184                    addedMarkers.add(markerForSender);
4185                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
4186                        break;
4187                    }
4188                }
4189            }
4190            if (users.size() > 0) {
4191                Message statusMessage;
4192                if (users.size() == 1) {
4193                    MucOptions.User user = users.get(0);
4194                    int id =
4195                            state == ChatState.COMPOSING
4196                                    ? R.string.contact_is_typing
4197                                    : R.string.contact_has_stopped_typing;
4198                    statusMessage =
4199                            Message.createStatusMessage(
4200                                    conversation, getString(id, UIHelper.getDisplayName(user)));
4201                    statusMessage.setTrueCounterpart(user.getRealJid());
4202                    statusMessage.setCounterpart(user.getFullJid());
4203                } else {
4204                    int id =
4205                            state == ChatState.COMPOSING
4206                                    ? R.string.contacts_are_typing
4207                                    : R.string.contacts_have_stopped_typing;
4208                    statusMessage =
4209                            Message.createStatusMessage(
4210                                    conversation, getString(id, UIHelper.concatNames(users)));
4211                    statusMessage.setCounterparts(users);
4212                }
4213                this.messageList.add(statusMessage);
4214            }
4215        }
4216    }
4217
4218    private void stopScrolling() {
4219        long now = SystemClock.uptimeMillis();
4220        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
4221        binding.messagesView.dispatchTouchEvent(cancel);
4222    }
4223
4224    private boolean showLoadMoreMessages(final Conversation c) {
4225        if (activity == null || activity.xmppConnectionService == null) {
4226            return false;
4227        }
4228        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
4229        final MessageArchiveService service =
4230                activity.xmppConnectionService.getMessageArchiveService();
4231        return mam
4232                && (c.getLastClearHistory().getTimestamp() != 0
4233                        || (c.countMessages() == 0
4234                                && c.messagesLoaded.get()
4235                                && c.hasMessagesLeftOnServer()
4236                                && !service.queryInProgress(c)));
4237    }
4238
4239    private boolean hasMamSupport(final Conversation c) {
4240        if (c.getMode() == Conversation.MODE_SINGLE) {
4241            final XmppConnection connection = c.getAccount().getXmppConnection();
4242            return connection != null && connection.getFeatures().mam();
4243        } else {
4244            return c.getMucOptions().mamSupport();
4245        }
4246    }
4247
4248    protected void showSnackbar(
4249            final int message, final int action, final OnClickListener clickListener) {
4250        showSnackbar(message, action, clickListener, null);
4251    }
4252
4253    protected void showSnackbar(
4254            final int message,
4255            final int action,
4256            final OnClickListener clickListener,
4257            final View.OnLongClickListener longClickListener) {
4258        this.binding.snackbar.setVisibility(View.VISIBLE);
4259        this.binding.snackbar.setOnClickListener(null);
4260        this.binding.snackbarMessage.setText(message);
4261        this.binding.snackbarMessage.setOnClickListener(null);
4262        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
4263        if (action != 0) {
4264            this.binding.snackbarAction.setText(action);
4265        }
4266        this.binding.snackbarAction.setOnClickListener(clickListener);
4267        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
4268    }
4269
4270    protected void hideSnackbar() {
4271        this.binding.snackbar.setVisibility(View.GONE);
4272    }
4273
4274    protected void sendMessage(Message message) {
4275        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
4276        messageSent();
4277    }
4278
4279    protected void sendPgpMessage(final Message message) {
4280        final XmppConnectionService xmppService = activity.xmppConnectionService;
4281        final Contact contact = message.getConversation().getContact();
4282        if (!activity.hasPgp()) {
4283            activity.showInstallPgpDialog();
4284            return;
4285        }
4286        if (conversation.getAccount().getPgpSignature() == null) {
4287            activity.announcePgp(
4288                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
4289            return;
4290        }
4291        if (!mSendingPgpMessage.compareAndSet(false, true)) {
4292            Log.d(Config.LOGTAG, "sending pgp message already in progress");
4293        }
4294        if (conversation.getMode() == Conversation.MODE_SINGLE) {
4295            if (contact.getPgpKeyId() != 0) {
4296                xmppService
4297                        .getPgpEngine()
4298                        .hasKey(
4299                                contact,
4300                                new UiCallback<Contact>() {
4301
4302                                    @Override
4303                                    public void userInputRequired(
4304                                            PendingIntent pi, Contact contact) {
4305                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
4306                                    }
4307
4308                                    @Override
4309                                    public void success(Contact contact) {
4310                                        encryptTextMessage(message);
4311                                    }
4312
4313                                    @Override
4314                                    public void error(int error, Contact contact) {
4315                                        activity.runOnUiThread(
4316                                                () ->
4317                                                        Toast.makeText(
4318                                                                        activity,
4319                                                                        R.string
4320                                                                                .unable_to_connect_to_keychain,
4321                                                                        Toast.LENGTH_SHORT)
4322                                                                .show());
4323                                        mSendingPgpMessage.set(false);
4324                                    }
4325                                });
4326
4327            } else {
4328                showNoPGPKeyDialog(
4329                        false,
4330                        (dialog, which) -> {
4331                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4332                            xmppService.updateConversation(conversation);
4333                            message.setEncryption(Message.ENCRYPTION_NONE);
4334                            xmppService.sendMessage(message);
4335                            messageSent();
4336                        });
4337            }
4338        } else {
4339            if (conversation.getMucOptions().pgpKeysInUse()) {
4340                if (!conversation.getMucOptions().everybodyHasKeys()) {
4341                    Toast warning =
4342                            Toast.makeText(
4343                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
4344                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
4345                    warning.show();
4346                }
4347                encryptTextMessage(message);
4348            } else {
4349                showNoPGPKeyDialog(
4350                        true,
4351                        (dialog, which) -> {
4352                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
4353                            message.setEncryption(Message.ENCRYPTION_NONE);
4354                            xmppService.updateConversation(conversation);
4355                            xmppService.sendMessage(message);
4356                            messageSent();
4357                        });
4358            }
4359        }
4360    }
4361
4362    public void encryptTextMessage(Message message) {
4363        activity.xmppConnectionService
4364                .getPgpEngine()
4365                .encrypt(
4366                        message,
4367                        new UiCallback<Message>() {
4368
4369                            @Override
4370                            public void userInputRequired(PendingIntent pi, Message message) {
4371                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
4372                            }
4373
4374                            @Override
4375                            public void success(Message message) {
4376                                // TODO the following two call can be made before the callback
4377                                getActivity().runOnUiThread(() -> messageSent());
4378                            }
4379
4380                            @Override
4381                            public void error(final int error, Message message) {
4382                                getActivity()
4383                                        .runOnUiThread(
4384                                                () -> {
4385                                                    doneSendingPgpMessage();
4386                                                    Toast.makeText(
4387                                                                    getActivity(),
4388                                                                    error == 0
4389                                                                            ? R.string
4390                                                                                    .unable_to_connect_to_keychain
4391                                                                            : error,
4392                                                                    Toast.LENGTH_SHORT)
4393                                                            .show();
4394                                                });
4395                            }
4396                        });
4397    }
4398
4399    public void showNoPGPKeyDialog(final boolean plural, final DialogInterface.OnClickListener listener) {
4400        final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(requireActivity());
4401        if (plural) {
4402            builder.setTitle(getString(R.string.no_pgp_keys));
4403            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
4404        } else {
4405            builder.setTitle(getString(R.string.no_pgp_key));
4406            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
4407        }
4408        builder.setNegativeButton(getString(R.string.cancel), null);
4409        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
4410        builder.create().show();
4411    }
4412
4413    public void appendText(String text, final boolean doNotAppend) {
4414        if (text == null) {
4415            return;
4416        }
4417        final Editable editable = this.binding.textinput.getText();
4418        String previous = editable == null ? "" : editable.toString();
4419        if (doNotAppend && !TextUtils.isEmpty(previous)) {
4420            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
4421                    .show();
4422            return;
4423        }
4424        if (UIHelper.isLastLineQuote(previous)) {
4425            text = '\n' + text;
4426        } else if (previous.length() != 0
4427                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
4428            text = " " + text;
4429        }
4430        this.binding.textinput.append(text);
4431    }
4432
4433    @Override
4434    public boolean onEnterPressed(final boolean isCtrlPressed) {
4435        if (isCtrlPressed || enterIsSend()) {
4436            sendMessage();
4437            return true;
4438        }
4439        return false;
4440    }
4441
4442    private boolean enterIsSend() {
4443        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
4444        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
4445    }
4446
4447    public boolean onArrowUpCtrlPressed() {
4448        final Message lastEditableMessage =
4449                conversation == null ? null : conversation.getLastEditableMessage();
4450        if (lastEditableMessage != null) {
4451            correctMessage(lastEditableMessage);
4452            return true;
4453        } else {
4454            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
4455                    .show();
4456            return false;
4457        }
4458    }
4459
4460    @Override
4461    public void onTypingStarted() {
4462        final XmppConnectionService service =
4463                activity == null ? null : activity.xmppConnectionService;
4464        if (service == null) {
4465            return;
4466        }
4467        final Account.State status = conversation.getAccount().getStatus();
4468        if (status == Account.State.ONLINE
4469                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4470            service.sendChatState(conversation);
4471        }
4472        runOnUiThread(this::updateSendButton);
4473    }
4474
4475    @Override
4476    public void onTypingStopped() {
4477        final XmppConnectionService service =
4478                activity == null ? null : activity.xmppConnectionService;
4479        if (service == null) {
4480            return;
4481        }
4482        final Account.State status = conversation.getAccount().getStatus();
4483        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4484            service.sendChatState(conversation);
4485        }
4486    }
4487
4488    @Override
4489    public void onTextDeleted() {
4490        final XmppConnectionService service =
4491                activity == null ? null : activity.xmppConnectionService;
4492        if (service == null) {
4493            return;
4494        }
4495        final Account.State status = conversation.getAccount().getStatus();
4496        if (status == Account.State.ONLINE
4497                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4498            service.sendChatState(conversation);
4499        }
4500        if (storeNextMessage()) {
4501            runOnUiThread(
4502                    () -> {
4503                        if (activity == null) {
4504                            return;
4505                        }
4506                        activity.onConversationsListItemUpdated();
4507                    });
4508        }
4509        runOnUiThread(this::updateSendButton);
4510    }
4511
4512    @Override
4513    public void onTextChanged() {
4514        if (conversation != null && conversation.getCorrectingMessage() != null) {
4515            runOnUiThread(this::updateSendButton);
4516        }
4517    }
4518
4519    @Override
4520    public boolean onTabPressed(boolean repeated) {
4521        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4522            return false;
4523        }
4524        if (repeated) {
4525            completionIndex++;
4526        } else {
4527            lastCompletionLength = 0;
4528            completionIndex = 0;
4529            final String content = this.binding.textinput.getText().toString();
4530            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4531            int start =
4532                    lastCompletionCursor > 0
4533                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4534                            : 0;
4535            firstWord = start == 0;
4536            incomplete = content.substring(start, lastCompletionCursor);
4537        }
4538        List<String> completions = new ArrayList<>();
4539        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4540            String name = user.getNick();
4541            if (name != null && name.startsWith(incomplete)) {
4542                completions.add(name + (firstWord ? ": " : " "));
4543            }
4544        }
4545        Collections.sort(completions);
4546        if (completions.size() > completionIndex) {
4547            String completion = completions.get(completionIndex).substring(incomplete.length());
4548            this.binding
4549                    .textinput
4550                    .getEditableText()
4551                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4552            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4553            lastCompletionLength = completion.length();
4554        } else {
4555            completionIndex = -1;
4556            this.binding
4557                    .textinput
4558                    .getEditableText()
4559                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4560            lastCompletionLength = 0;
4561        }
4562        return true;
4563    }
4564
4565    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4566        try {
4567            getActivity()
4568                    .startIntentSenderForResult(
4569                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0, Compatibility.pgpStartIntentSenderOptions());
4570        } catch (final SendIntentException ignored) {
4571        }
4572    }
4573
4574    @Override
4575    public void onBackendConnected() {
4576        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4577        setupEmojiSearch();
4578        String uuid = pendingConversationsUuid.pop();
4579        if (uuid != null) {
4580            if (!findAndReInitByUuidOrArchive(uuid)) {
4581                return;
4582            }
4583        } else {
4584            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4585                clearPending();
4586                activity.onConversationArchived(conversation);
4587                return;
4588            }
4589        }
4590        ActivityResult activityResult = postponedActivityResult.pop();
4591        if (activityResult != null) {
4592            handleActivityResult(activityResult);
4593        }
4594        clearPending();
4595    }
4596
4597    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4598        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4599        if (conversation == null) {
4600            clearPending();
4601            activity.onConversationArchived(null);
4602            return false;
4603        }
4604        reInit(conversation);
4605        ScrollState scrollState = pendingScrollState.pop();
4606        String lastMessageUuid = pendingLastMessageUuid.pop();
4607        List<Attachment> attachments = pendingMediaPreviews.pop();
4608        if (scrollState != null) {
4609            setScrollPosition(scrollState, lastMessageUuid);
4610        }
4611        if (attachments != null && attachments.size() > 0) {
4612            Log.d(Config.LOGTAG, "had attachments on restore");
4613            mediaPreviewAdapter.addMediaPreviews(attachments);
4614            toggleInputMethod();
4615        }
4616        return true;
4617    }
4618
4619    private void clearPending() {
4620        if (postponedActivityResult.clear()) {
4621            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4622            if (pendingTakePhotoUri.clear()) {
4623                Log.e(Config.LOGTAG, "cleared pending photo uri");
4624            }
4625        }
4626        if (pendingScrollState.clear()) {
4627            Log.e(Config.LOGTAG, "cleared scroll state");
4628        }
4629        if (pendingConversationsUuid.clear()) {
4630            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4631        }
4632        if (pendingMediaPreviews.clear()) {
4633            Log.e(Config.LOGTAG, "cleared pending media previews");
4634        }
4635    }
4636
4637    public Conversation getConversation() {
4638        return conversation;
4639    }
4640
4641    @Override
4642    public void onContactPictureLongClicked(View v, final Message message) {
4643        final String fingerprint;
4644        if (message.getEncryption() == Message.ENCRYPTION_PGP
4645                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4646            fingerprint = "pgp";
4647        } else {
4648            fingerprint = message.getFingerprint();
4649        }
4650        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4651        final Contact contact = message.getContact();
4652        if (message.getStatus() <= Message.STATUS_RECEIVED
4653                && (contact == null || !contact.isSelf())) {
4654            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4655                final Jid cp = message.getCounterpart();
4656                if (cp == null || cp.isBareJid()) {
4657                    return;
4658                }
4659                final Jid tcp = message.getTrueCounterpart();
4660                final String occupantId = message.getOccupantId();
4661                final User userByRealJid =
4662                        tcp != null
4663                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp, occupantId)
4664                                : null;
4665                final User userByOccupantId =
4666                        occupantId != null
4667                                ? conversation.getMucOptions().findUserByOccupantId(occupantId, cp)
4668                                : null;
4669                final User user =
4670                        userByRealJid != null
4671                                ? userByRealJid
4672                                : (userByOccupantId != null ? userByOccupantId : conversation.getMucOptions().findUserByFullJid(cp));
4673                if (user == null) return;
4674                popupMenu.inflate(R.menu.muc_details_context);
4675                final Menu menu = popupMenu.getMenu();
4676                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4677                        activity, menu, conversation, user);
4678                popupMenu.setOnMenuItemClickListener(
4679                        menuItem ->
4680                                MucDetailsContextMenuHelper.onContextItemSelected(
4681                                        menuItem, user, activity, fingerprint));
4682            } else {
4683                popupMenu.inflate(R.menu.one_on_one_context);
4684                popupMenu.setOnMenuItemClickListener(
4685                        item -> {
4686                            switch (item.getItemId()) {
4687                                case R.id.action_contact_details:
4688                                    activity.switchToContactDetails(
4689                                            message.getContact(), fingerprint);
4690                                    break;
4691                                case R.id.action_show_qr_code:
4692                                    activity.showQrCode(
4693                                            "xmpp:"
4694                                                    + message.getContact()
4695                                                            .getJid()
4696                                                            .asBareJid()
4697                                                            .toEscapedString());
4698                                    break;
4699                            }
4700                            return true;
4701                        });
4702            }
4703        } else {
4704            popupMenu.inflate(R.menu.account_context);
4705            final Menu menu = popupMenu.getMenu();
4706            menu.findItem(R.id.action_manage_accounts)
4707                    .setVisible(QuickConversationsService.isConversations());
4708            popupMenu.setOnMenuItemClickListener(
4709                    item -> {
4710                        final XmppActivity activity = this.activity;
4711                        if (activity == null) {
4712                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4713                            return true;
4714                        }
4715                        switch (item.getItemId()) {
4716                            case R.id.action_show_qr_code:
4717                                activity.showQrCode(conversation.getAccount().getShareableUri());
4718                                break;
4719                            case R.id.action_account_details:
4720                                activity.switchToAccount(
4721                                        message.getConversation().getAccount(), fingerprint);
4722                                break;
4723                            case R.id.action_manage_accounts:
4724                                AccountUtils.launchManageAccounts(activity);
4725                                break;
4726                        }
4727                        return true;
4728                    });
4729        }
4730        popupMenu.show();
4731    }
4732
4733    @Override
4734    public void onContactPictureClicked(Message message) {
4735        setThread(message.getThread());
4736        if (message.isPrivateMessage()) {
4737            privateMessageWith(message.getCounterpart());
4738            return;
4739        }
4740        forkNullThread(message);
4741        conversation.setUserSelectedThread(true);
4742
4743        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4744        if (received) {
4745            if (message.getConversation() instanceof Conversation
4746                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4747                Jid tcp = message.getTrueCounterpart();
4748                Jid user = message.getCounterpart();
4749                if (user != null && !user.isBareJid()) {
4750                    final MucOptions mucOptions =
4751                            ((Conversation) message.getConversation()).getMucOptions();
4752                    if (mucOptions.participating()
4753                            || ((Conversation) message.getConversation()).getNextCounterpart()
4754                                    != null) {
4755                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4756                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4757                        if (mucUser == null && tcpMucUser == null) {
4758                            Toast.makeText(
4759                                            getActivity(),
4760                                            activity.getString(
4761                                                    R.string.user_has_left_conference,
4762                                                    user.getResource()),
4763                                            Toast.LENGTH_SHORT)
4764                                    .show();
4765                        }
4766                        highlightInConference(mucUser == null || mucUser.getNick() == null ? (tcpMucUser == null || tcpMucUser.getNick() == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4767                    } else {
4768                        Toast.makeText(
4769                                        getActivity(),
4770                                        R.string.you_are_not_participating,
4771                                        Toast.LENGTH_SHORT)
4772                                .show();
4773                    }
4774                }
4775            }
4776        }
4777    }
4778
4779    private Activity requireActivity() {
4780        Activity activity = getActivity();
4781        if (activity == null) activity = this.activity;
4782        if (activity == null) {
4783            throw new IllegalStateException("Activity not attached");
4784        }
4785        return activity;
4786    }
4787}