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