ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
   4import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
   5import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
   6import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
   7import static eu.siacs.conversations.utils.PermissionUtils.audioGranted;
   8import static eu.siacs.conversations.utils.PermissionUtils.cameraGranted;
   9import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
  10import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
  11
  12import android.Manifest;
  13import android.annotation.SuppressLint;
  14import android.app.Activity;
  15import android.app.Fragment;
  16import android.app.FragmentManager;
  17import android.app.PendingIntent;
  18import android.content.ActivityNotFoundException;
  19import android.content.Context;
  20import android.content.DialogInterface;
  21import android.content.Intent;
  22import android.content.IntentSender.SendIntentException;
  23import android.content.SharedPreferences;
  24import android.content.pm.PackageManager;
  25import android.content.res.ColorStateList;
  26import android.net.Uri;
  27import android.os.Build;
  28import android.os.Bundle;
  29import android.os.Handler;
  30import android.os.SystemClock;
  31import android.preference.PreferenceManager;
  32import android.provider.MediaStore;
  33import android.text.Editable;
  34import android.text.TextUtils;
  35import android.util.Log;
  36import android.view.ContextMenu;
  37import android.view.ContextMenu.ContextMenuInfo;
  38import android.view.Gravity;
  39import android.view.LayoutInflater;
  40import android.view.Menu;
  41import android.view.MenuInflater;
  42import android.view.MenuItem;
  43import android.view.MotionEvent;
  44import android.view.View;
  45import android.view.View.OnClickListener;
  46import android.view.ViewGroup;
  47import android.view.inputmethod.EditorInfo;
  48import android.view.inputmethod.InputMethodManager;
  49import android.widget.AbsListView;
  50import android.widget.AbsListView.OnScrollListener;
  51import android.widget.AdapterView;
  52import android.widget.AdapterView.AdapterContextMenuInfo;
  53import android.widget.CheckBox;
  54import android.widget.ListView;
  55import android.widget.PopupMenu;
  56import android.widget.TextView.OnEditorActionListener;
  57import android.widget.Toast;
  58import androidx.annotation.IdRes;
  59import androidx.annotation.NonNull;
  60import androidx.annotation.StringRes;
  61import androidx.core.view.inputmethod.InputConnectionCompat;
  62import androidx.core.view.inputmethod.InputContentInfoCompat;
  63import androidx.databinding.DataBindingUtil;
  64import com.google.android.material.dialog.MaterialAlertDialogBuilder;
  65import com.google.common.base.Optional;
  66import com.google.common.collect.ImmutableList;
  67import com.google.common.collect.Iterables;
  68import de.gultsch.common.Linkify;
  69import de.gultsch.common.Patterns;
  70import eu.siacs.conversations.Config;
  71import eu.siacs.conversations.R;
  72import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  73import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  74import eu.siacs.conversations.databinding.FragmentConversationBinding;
  75import eu.siacs.conversations.entities.Account;
  76import eu.siacs.conversations.entities.Blockable;
  77import eu.siacs.conversations.entities.Contact;
  78import eu.siacs.conversations.entities.Conversation;
  79import eu.siacs.conversations.entities.Conversational;
  80import eu.siacs.conversations.entities.DownloadableFile;
  81import eu.siacs.conversations.entities.Message;
  82import eu.siacs.conversations.entities.MucOptions;
  83import eu.siacs.conversations.entities.MucOptions.User;
  84import eu.siacs.conversations.entities.ReadByMarker;
  85import eu.siacs.conversations.entities.Transferable;
  86import eu.siacs.conversations.entities.TransferablePlaceholder;
  87import eu.siacs.conversations.http.HttpDownloadConnection;
  88import eu.siacs.conversations.persistance.FileBackend;
  89import eu.siacs.conversations.services.CallIntegrationConnectionService;
  90import eu.siacs.conversations.services.MessageArchiveService;
  91import eu.siacs.conversations.services.QuickConversationsService;
  92import eu.siacs.conversations.services.XmppConnectionService;
  93import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
  94import eu.siacs.conversations.ui.adapter.MessageAdapter;
  95import eu.siacs.conversations.ui.util.ActivityResult;
  96import eu.siacs.conversations.ui.util.Attachment;
  97import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
  98import eu.siacs.conversations.ui.util.DateSeparator;
  99import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
 100import eu.siacs.conversations.ui.util.ListViewUtils;
 101import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
 102import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
 103import eu.siacs.conversations.ui.util.PendingItem;
 104import eu.siacs.conversations.ui.util.PresenceSelector;
 105import eu.siacs.conversations.ui.util.ScrollState;
 106import eu.siacs.conversations.ui.util.SendButtonAction;
 107import eu.siacs.conversations.ui.util.SendButtonTool;
 108import eu.siacs.conversations.ui.util.ShareUtil;
 109import eu.siacs.conversations.ui.util.ViewUtil;
 110import eu.siacs.conversations.ui.widget.EditMessage;
 111import eu.siacs.conversations.utils.AccountUtils;
 112import eu.siacs.conversations.utils.Compatibility;
 113import eu.siacs.conversations.utils.GeoHelper;
 114import eu.siacs.conversations.utils.MessageUtils;
 115import eu.siacs.conversations.utils.NickValidityChecker;
 116import eu.siacs.conversations.utils.PermissionUtils;
 117import eu.siacs.conversations.utils.QuickLoader;
 118import eu.siacs.conversations.utils.StylingHelper;
 119import eu.siacs.conversations.utils.TimeFrameUtils;
 120import eu.siacs.conversations.utils.UIHelper;
 121import eu.siacs.conversations.xmpp.Jid;
 122import eu.siacs.conversations.xmpp.XmppConnection;
 123import eu.siacs.conversations.xmpp.chatstate.ChatState;
 124import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 125import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 126import eu.siacs.conversations.xmpp.jingle.JingleFileTransferConnection;
 127import eu.siacs.conversations.xmpp.jingle.Media;
 128import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
 129import eu.siacs.conversations.xmpp.jingle.RtpCapability;
 130import eu.siacs.conversations.xmpp.manager.HttpUploadManager;
 131import eu.siacs.conversations.xmpp.manager.MultiUserChatManager;
 132import eu.siacs.conversations.xmpp.manager.PresenceManager;
 133import im.conversations.android.xmpp.model.stanza.Presence;
 134import java.util.ArrayList;
 135import java.util.Arrays;
 136import java.util.Collection;
 137import java.util.Collections;
 138import java.util.HashSet;
 139import java.util.Iterator;
 140import java.util.List;
 141import java.util.Objects;
 142import java.util.Set;
 143import java.util.UUID;
 144import java.util.concurrent.atomic.AtomicBoolean;
 145
 146public class ConversationFragment extends XmppFragment
 147        implements EditMessage.KeyboardListener,
 148                MessageAdapter.OnContactPictureLongClicked,
 149                MessageAdapter.OnContactPictureClicked {
 150
 151    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 152    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 153    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 154    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 155    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 156    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 157    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 158    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 159    public static final int REQUEST_START_AUDIO_CALL = 0x213;
 160    public static final int REQUEST_START_VIDEO_CALL = 0x214;
 161    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 162    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 163    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 164    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 165    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 166    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 167    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 168
 169    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 170    public static final String STATE_CONVERSATION_UUID =
 171            ConversationFragment.class.getName() + ".uuid";
 172    public static final String STATE_SCROLL_POSITION =
 173            ConversationFragment.class.getName() + ".scroll_position";
 174    public static final String STATE_PHOTO_URI =
 175            ConversationFragment.class.getName() + ".media_previews";
 176    public static final String STATE_MEDIA_PREVIEWS =
 177            ConversationFragment.class.getName() + ".take_photo_uri";
 178    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 179
 180    private final List<Message> messageList = new ArrayList<>();
 181    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 182    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 183    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 184    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 185    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 186    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 187    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 188    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 189    public Uri mPendingEditorContent = null;
 190    protected MessageAdapter messageListAdapter;
 191    private MediaPreviewAdapter mediaPreviewAdapter;
 192    private String lastMessageUuid = null;
 193    private Conversation conversation;
 194    private FragmentConversationBinding binding;
 195    private Toast messageLoaderToast;
 196    private ConversationsActivity activity;
 197    private boolean reInitRequiredOnStart = true;
 198    private final OnClickListener clickToMuc =
 199            new OnClickListener() {
 200
 201                @Override
 202                public void onClick(View v) {
 203                    ConferenceDetailsActivity.open(getActivity(), conversation);
 204                }
 205            };
 206    private final OnClickListener leaveMuc =
 207            new OnClickListener() {
 208
 209                @Override
 210                public void onClick(View v) {
 211                    activity.xmppConnectionService.archiveConversation(conversation);
 212                }
 213            };
 214    private final OnClickListener joinMuc =
 215            new OnClickListener() {
 216
 217                @Override
 218                public void onClick(View v) {
 219                    activity.xmppConnectionService.joinMuc(conversation);
 220                }
 221            };
 222
 223    private final OnClickListener acceptJoin =
 224            new OnClickListener() {
 225                @Override
 226                public void onClick(View v) {
 227                    conversation.setAttribute("accept_non_anonymous", true);
 228                    activity.xmppConnectionService.updateConversation(conversation);
 229                    activity.xmppConnectionService.joinMuc(conversation);
 230                }
 231            };
 232
 233    private final OnClickListener enterPassword =
 234            new OnClickListener() {
 235
 236                @Override
 237                public void onClick(View v) {
 238                    MucOptions muc = conversation.getMucOptions();
 239                    String password = muc.getPassword();
 240                    if (password == null) {
 241                        password = "";
 242                    }
 243                    activity.quickPasswordEdit(
 244                            password,
 245                            value -> {
 246                                activity.xmppConnectionService.providePasswordForMuc(
 247                                        conversation, value);
 248                                return null;
 249                            });
 250                }
 251            };
 252    private final OnScrollListener mOnScrollListener =
 253            new OnScrollListener() {
 254
 255                @Override
 256                public void onScrollStateChanged(AbsListView view, int scrollState) {
 257                    if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 258                        fireReadEvent();
 259                    }
 260                }
 261
 262                @Override
 263                public void onScroll(
 264                        final AbsListView view,
 265                        int firstVisibleItem,
 266                        int visibleItemCount,
 267                        int totalItemCount) {
 268                    toggleScrollDownButton(view);
 269                    synchronized (ConversationFragment.this.messageList) {
 270                        if (firstVisibleItem < 5
 271                                && conversation != null
 272                                && conversation.messagesLoaded.compareAndSet(true, false)
 273                                && messageList.size() > 0) {
 274                            long timestamp;
 275                            if (messageList.get(0).getType() == Message.TYPE_STATUS
 276                                    && messageList.size() >= 2) {
 277                                timestamp = messageList.get(1).getTimeSent();
 278                            } else {
 279                                timestamp = messageList.get(0).getTimeSent();
 280                            }
 281                            activity.xmppConnectionService.loadMoreMessages(
 282                                    conversation,
 283                                    timestamp,
 284                                    new XmppConnectionService.OnMoreMessagesLoaded() {
 285                                        @Override
 286                                        public void onMoreMessagesLoaded(
 287                                                final int c, final Conversation conversation) {
 288                                            if (ConversationFragment.this.conversation
 289                                                    != conversation) {
 290                                                conversation.messagesLoaded.set(true);
 291                                                return;
 292                                            }
 293                                            runOnUiThread(
 294                                                    () -> {
 295                                                        synchronized (messageList) {
 296                                                            final int oldPosition =
 297                                                                    binding.messagesView
 298                                                                            .getFirstVisiblePosition();
 299                                                            Message message = null;
 300                                                            int childPos;
 301                                                            for (childPos = 0;
 302                                                                    childPos + oldPosition
 303                                                                            < messageList.size();
 304                                                                    ++childPos) {
 305                                                                message =
 306                                                                        messageList.get(
 307                                                                                oldPosition
 308                                                                                        + childPos);
 309                                                                if (message.getType()
 310                                                                        != Message.TYPE_STATUS) {
 311                                                                    break;
 312                                                                }
 313                                                            }
 314                                                            final String uuid =
 315                                                                    message != null
 316                                                                            ? message.getUuid()
 317                                                                            : null;
 318                                                            View v =
 319                                                                    binding.messagesView.getChildAt(
 320                                                                            childPos);
 321                                                            final int pxOffset =
 322                                                                    (v == null) ? 0 : v.getTop();
 323                                                            ConversationFragment.this.conversation
 324                                                                    .populateWithMessages(
 325                                                                            ConversationFragment
 326                                                                                    .this
 327                                                                                    .messageList);
 328                                                            try {
 329                                                                updateStatusMessages();
 330                                                            } catch (IllegalStateException e) {
 331                                                                Log.d(
 332                                                                        Config.LOGTAG,
 333                                                                        "caught illegal state"
 334                                                                                + " exception while"
 335                                                                                + " updating status"
 336                                                                                + " messages");
 337                                                            }
 338                                                            messageListAdapter
 339                                                                    .notifyDataSetChanged();
 340                                                            int pos =
 341                                                                    Math.max(
 342                                                                            getIndexOf(
 343                                                                                    uuid,
 344                                                                                    messageList),
 345                                                                            0);
 346                                                            binding.messagesView
 347                                                                    .setSelectionFromTop(
 348                                                                            pos, pxOffset);
 349                                                            if (messageLoaderToast != null) {
 350                                                                messageLoaderToast.cancel();
 351                                                            }
 352                                                            conversation.messagesLoaded.set(true);
 353                                                        }
 354                                                    });
 355                                        }
 356
 357                                        @Override
 358                                        public void informUser(final int resId) {
 359
 360                                            runOnUiThread(
 361                                                    () -> {
 362                                                        if (messageLoaderToast != null) {
 363                                                            messageLoaderToast.cancel();
 364                                                        }
 365                                                        if (ConversationFragment.this.conversation
 366                                                                != conversation) {
 367                                                            return;
 368                                                        }
 369                                                        messageLoaderToast =
 370                                                                Toast.makeText(
 371                                                                        view.getContext(),
 372                                                                        resId,
 373                                                                        Toast.LENGTH_LONG);
 374                                                        messageLoaderToast.show();
 375                                                    });
 376                                        }
 377                                    });
 378                        }
 379                    }
 380                }
 381            };
 382    private final EditMessage.OnCommitContentListener mEditorContentListener =
 383            new EditMessage.OnCommitContentListener() {
 384                @Override
 385                public boolean onCommitContent(
 386                        InputContentInfoCompat inputContentInfo,
 387                        int flags,
 388                        Bundle opts,
 389                        String[] contentMimeTypes) {
 390                    // try to get permission to read the image, if applicable
 391                    if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION)
 392                            != 0) {
 393                        try {
 394                            inputContentInfo.requestPermission();
 395                        } catch (Exception e) {
 396                            Log.e(
 397                                    Config.LOGTAG,
 398                                    "InputContentInfoCompat#requestPermission() failed.",
 399                                    e);
 400                            Toast.makeText(
 401                                            getActivity(),
 402                                            activity.getString(
 403                                                    R.string.no_permission_to_access_x,
 404                                                    inputContentInfo.getDescription()),
 405                                            Toast.LENGTH_LONG)
 406                                    .show();
 407                            return false;
 408                        }
 409                    }
 410                    if (hasPermissions(
 411                            REQUEST_ADD_EDITOR_CONTENT,
 412                            Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 413                        attachEditorContentToConversation(inputContentInfo.getContentUri());
 414                    } else {
 415                        mPendingEditorContent = inputContentInfo.getContentUri();
 416                    }
 417                    return true;
 418                }
 419            };
 420    private Message selectedMessage;
 421    private final OnClickListener mEnableAccountListener =
 422            new OnClickListener() {
 423                @Override
 424                public void onClick(View v) {
 425                    final Account account = conversation == null ? null : conversation.getAccount();
 426                    if (account != null) {
 427                        account.setOption(Account.OPTION_SOFT_DISABLED, false);
 428                        account.setOption(Account.OPTION_DISABLED, false);
 429                        activity.xmppConnectionService.updateAccount(account);
 430                    }
 431                }
 432            };
 433    private final OnClickListener mUnblockClickListener =
 434            new OnClickListener() {
 435                @Override
 436                public void onClick(final View v) {
 437                    v.post(() -> v.setVisibility(View.INVISIBLE));
 438                    if (conversation.isDomainBlocked()) {
 439                        BlockContactDialog.show(activity, conversation);
 440                    } else {
 441                        unblockConversation(conversation);
 442                    }
 443                }
 444            };
 445    private final OnClickListener mBlockClickListener = this::showBlockSubmenu;
 446    private final OnClickListener mAddBackClickListener =
 447            new OnClickListener() {
 448
 449                @Override
 450                public void onClick(View v) {
 451                    final Contact contact = conversation == null ? null : conversation.getContact();
 452                    if (contact != null) {
 453                        activity.xmppConnectionService.createContact(contact);
 454                        activity.switchToContactDetails(contact);
 455                    }
 456                }
 457            };
 458    private final View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 459    private final OnClickListener mAllowPresenceSubscription =
 460            new OnClickListener() {
 461                @Override
 462                public void onClick(View v) {
 463                    final Contact contact = conversation == null ? null : conversation.getContact();
 464                    if (contact != null) {
 465                        final var connection = contact.getAccount().getXmppConnection();
 466                        connection
 467                                .getManager(PresenceManager.class)
 468                                .subscribed(contact.getJid().asBareJid());
 469                        hideSnackbar();
 470                    }
 471                }
 472            };
 473    protected OnClickListener clickToDecryptListener =
 474            new OnClickListener() {
 475
 476                @Override
 477                public void onClick(View v) {
 478                    PendingIntent pendingIntent =
 479                            conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 480                    if (pendingIntent != null) {
 481                        try {
 482                            getActivity()
 483                                    .startIntentSenderForResult(
 484                                            pendingIntent.getIntentSender(),
 485                                            REQUEST_DECRYPT_PGP,
 486                                            null,
 487                                            0,
 488                                            0,
 489                                            0,
 490                                            Compatibility.pgpStartIntentSenderOptions());
 491                        } catch (SendIntentException e) {
 492                            Toast.makeText(
 493                                            getActivity(),
 494                                            R.string.unable_to_connect_to_keychain,
 495                                            Toast.LENGTH_SHORT)
 496                                    .show();
 497                            conversation
 498                                    .getAccount()
 499                                    .getPgpDecryptionService()
 500                                    .continueDecryption(true);
 501                        }
 502                    }
 503                    updateSnackBar(conversation);
 504                }
 505            };
 506    private final AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 507    private final OnEditorActionListener mEditorActionListener =
 508            (v, actionId, event) -> {
 509                if (actionId == EditorInfo.IME_ACTION_SEND) {
 510                    InputMethodManager imm =
 511                            (InputMethodManager)
 512                                    activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 513                    if (imm != null && imm.isFullscreenMode()) {
 514                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 515                    }
 516                    sendMessage();
 517                    return true;
 518                } else {
 519                    return false;
 520                }
 521            };
 522    private final OnClickListener mScrollButtonListener =
 523            new OnClickListener() {
 524
 525                @Override
 526                public void onClick(View v) {
 527                    stopScrolling();
 528                    setSelection(binding.messagesView.getCount() - 1, true);
 529                }
 530            };
 531    private final OnClickListener mSendButtonListener =
 532            new OnClickListener() {
 533
 534                @Override
 535                public void onClick(View v) {
 536                    Object tag = v.getTag();
 537                    if (tag instanceof SendButtonAction action) {
 538                        switch (action) {
 539                            case TAKE_PHOTO:
 540                            case RECORD_VIDEO:
 541                            case SEND_LOCATION:
 542                            case RECORD_VOICE:
 543                            case CHOOSE_PICTURE:
 544                                attachFile(action.toChoice());
 545                                break;
 546                            case CANCEL:
 547                                if (conversation != null) {
 548                                    if (conversation.setCorrectingMessage(null)) {
 549                                        binding.textinput.setText("");
 550                                        binding.textinput.append(conversation.getDraftMessage());
 551                                        conversation.setDraftMessage(null);
 552                                    } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 553                                        conversation.setNextCounterpart(null);
 554                                        binding.textinput.setText("");
 555                                    } else {
 556                                        binding.textinput.setText("");
 557                                    }
 558                                    updateChatMsgHint();
 559                                    updateSendButton();
 560                                    updateEditablity();
 561                                }
 562                                break;
 563                            default:
 564                                sendMessage();
 565                        }
 566                    } else {
 567                        sendMessage();
 568                    }
 569                }
 570            };
 571    private int completionIndex = 0;
 572    private int lastCompletionLength = 0;
 573    private String incomplete;
 574    private int lastCompletionCursor;
 575    private boolean firstWord = false;
 576    private Message mPendingDownloadableMessage;
 577
 578    private static ConversationFragment findConversationFragment(Activity activity) {
 579        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 580        if (fragment instanceof ConversationFragment) {
 581            return (ConversationFragment) fragment;
 582        }
 583        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 584        if (fragment instanceof ConversationFragment) {
 585            return (ConversationFragment) fragment;
 586        }
 587        return null;
 588    }
 589
 590    public static void startStopPending(Activity activity) {
 591        ConversationFragment fragment = findConversationFragment(activity);
 592        if (fragment != null) {
 593            fragment.messageListAdapter.startStopPending();
 594        }
 595    }
 596
 597    public static void downloadFile(Activity activity, Message message) {
 598        ConversationFragment fragment = findConversationFragment(activity);
 599        if (fragment != null) {
 600            fragment.startDownloadable(message);
 601        }
 602    }
 603
 604    public static void registerPendingMessage(Activity activity, Message message) {
 605        ConversationFragment fragment = findConversationFragment(activity);
 606        if (fragment != null) {
 607            fragment.pendingMessage.push(message);
 608        }
 609    }
 610
 611    public static void openPendingMessage(Activity activity) {
 612        ConversationFragment fragment = findConversationFragment(activity);
 613        if (fragment != null) {
 614            Message message = fragment.pendingMessage.pop();
 615            if (message != null) {
 616                fragment.messageListAdapter.openDownloadable(message);
 617            }
 618        }
 619    }
 620
 621    public static Conversation getConversation(Activity activity) {
 622        return getConversation(activity, R.id.secondary_fragment);
 623    }
 624
 625    private static Conversation getConversation(Activity activity, @IdRes int res) {
 626        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 627        if (fragment instanceof ConversationFragment) {
 628            return ((ConversationFragment) fragment).getConversation();
 629        } else {
 630            return null;
 631        }
 632    }
 633
 634    public static ConversationFragment get(Activity activity) {
 635        FragmentManager fragmentManager = activity.getFragmentManager();
 636        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 637        if (fragment instanceof ConversationFragment) {
 638            return (ConversationFragment) fragment;
 639        } else {
 640            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 641            return fragment instanceof ConversationFragment
 642                    ? (ConversationFragment) fragment
 643                    : null;
 644        }
 645    }
 646
 647    public static Conversation getConversationReliable(Activity activity) {
 648        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 649        if (conversation != null) {
 650            return conversation;
 651        }
 652        return getConversation(activity, R.id.main_fragment);
 653    }
 654
 655    private static boolean scrolledToBottom(AbsListView listView) {
 656        final int count = listView.getCount();
 657        if (count == 0) {
 658            return true;
 659        } else if (listView.getLastVisiblePosition() == count - 1) {
 660            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 661            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 662        } else {
 663            return false;
 664        }
 665    }
 666
 667    private void toggleScrollDownButton() {
 668        toggleScrollDownButton(binding.messagesView);
 669    }
 670
 671    private void toggleScrollDownButton(AbsListView listView) {
 672        if (conversation == null) {
 673            return;
 674        }
 675        if (scrolledToBottom(listView)) {
 676            lastMessageUuid = null;
 677            hideUnreadMessagesCount();
 678        } else {
 679            binding.scrollToBottomButton.setEnabled(true);
 680            binding.scrollToBottomButton.show();
 681            if (lastMessageUuid == null) {
 682                lastMessageUuid = conversation.getLatestMessage().getUuid();
 683            }
 684            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 685                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 686            }
 687        }
 688    }
 689
 690    private int getIndexOf(String uuid, List<Message> messages) {
 691        if (uuid == null) {
 692            return messages.size() - 1;
 693        }
 694        for (int i = 0; i < messages.size(); ++i) {
 695            if (uuid.equals(messages.get(i).getUuid())) {
 696                return i;
 697            }
 698        }
 699        return -1;
 700    }
 701
 702    private ScrollState getScrollPosition() {
 703        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 704        if (listView == null
 705                || listView.getCount() == 0
 706                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 707            return null;
 708        } else {
 709            final int pos = listView.getFirstVisiblePosition();
 710            final View view = listView.getChildAt(0);
 711            if (view == null) {
 712                return null;
 713            } else {
 714                return new ScrollState(pos, view.getTop());
 715            }
 716        }
 717    }
 718
 719    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 720        if (scrollPosition != null) {
 721
 722            this.lastMessageUuid = lastMessageUuid;
 723            if (lastMessageUuid != null) {
 724                binding.unreadCountCustomView.setUnreadCount(
 725                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 726            }
 727            // TODO maybe this needs a 'post'
 728            this.binding.messagesView.setSelectionFromTop(
 729                    scrollPosition.position, scrollPosition.offset);
 730            toggleScrollDownButton();
 731        }
 732    }
 733
 734    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 735        if (conversation == null) {
 736            return;
 737        }
 738        activity.xmppConnectionService.attachLocationToConversation(
 739                conversation,
 740                uri,
 741                new UiCallback<Message>() {
 742
 743                    @Override
 744                    public void success(Message message) {}
 745
 746                    @Override
 747                    public void error(int errorCode, Message object) {
 748                        // TODO show possible pgp error
 749                    }
 750
 751                    @Override
 752                    public void userInputRequired(PendingIntent pi, Message object) {}
 753                });
 754    }
 755
 756    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 757        if (conversation == null) {
 758            return;
 759        }
 760        final Toast prepareFileToast =
 761                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 762        prepareFileToast.show();
 763        activity.delegateUriPermissionsToService(uri);
 764        activity.xmppConnectionService.attachFileToConversation(
 765                conversation,
 766                uri,
 767                type,
 768                new UiInformableCallback<Message>() {
 769                    @Override
 770                    public void inform(final String text) {
 771                        hidePrepareFileToast(prepareFileToast);
 772                        runOnUiThread(() -> activity.replaceToast(text));
 773                    }
 774
 775                    @Override
 776                    public void success(Message message) {
 777                        runOnUiThread(() -> activity.hideToast());
 778                        hidePrepareFileToast(prepareFileToast);
 779                    }
 780
 781                    @Override
 782                    public void error(final int errorCode, Message message) {
 783                        hidePrepareFileToast(prepareFileToast);
 784                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 785                    }
 786
 787                    @Override
 788                    public void userInputRequired(PendingIntent pi, Message message) {
 789                        hidePrepareFileToast(prepareFileToast);
 790                    }
 791                });
 792    }
 793
 794    public void attachEditorContentToConversation(Uri uri) {
 795        mediaPreviewAdapter.addMediaPreviews(
 796                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 797        toggleInputMethod();
 798    }
 799
 800    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 801        if (conversation == null) {
 802            return;
 803        }
 804        final Toast prepareFileToast =
 805                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 806        prepareFileToast.show();
 807        activity.delegateUriPermissionsToService(uri);
 808        activity.xmppConnectionService.attachImageToConversation(
 809                conversation,
 810                uri,
 811                type,
 812                new UiCallback<Message>() {
 813
 814                    @Override
 815                    public void userInputRequired(PendingIntent pi, Message object) {
 816                        hidePrepareFileToast(prepareFileToast);
 817                    }
 818
 819                    @Override
 820                    public void success(Message message) {
 821                        hidePrepareFileToast(prepareFileToast);
 822                    }
 823
 824                    @Override
 825                    public void error(final int error, final Message message) {
 826                        hidePrepareFileToast(prepareFileToast);
 827                        final ConversationsActivity activity = ConversationFragment.this.activity;
 828                        if (activity == null) {
 829                            return;
 830                        }
 831                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 832                    }
 833                });
 834    }
 835
 836    private void hidePrepareFileToast(final Toast prepareFileToast) {
 837        if (prepareFileToast != null && activity != null) {
 838            activity.runOnUiThread(prepareFileToast::cancel);
 839        }
 840    }
 841
 842    private void sendMessage() {
 843        if (mediaPreviewAdapter.hasAttachments()) {
 844            commitAttachments();
 845            return;
 846        }
 847        final Editable text = this.binding.textinput.getText();
 848        final String body = text == null ? "" : text.toString();
 849        final Conversation conversation = this.conversation;
 850        if (body.isEmpty() || conversation == null) {
 851            return;
 852        }
 853        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 854            return;
 855        }
 856        final Message message;
 857        if (conversation.getCorrectingMessage() == null) {
 858            message = new Message(conversation, body, conversation.getNextEncryption());
 859            Message.configurePrivateMessage(message);
 860        } else {
 861            message = conversation.getCorrectingMessage();
 862            message.setBody(body);
 863            message.putEdited(message.getUuid(), message.getServerMsgId());
 864            message.setUuid(UUID.randomUUID().toString());
 865        }
 866        switch (conversation.getNextEncryption()) {
 867            case Message.ENCRYPTION_PGP:
 868                sendPgpMessage(message);
 869                break;
 870            default:
 871                sendMessage(message);
 872        }
 873    }
 874
 875    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
 876        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
 877                && trustKeysIfNeeded(requestCode);
 878    }
 879
 880    protected boolean trustKeysIfNeeded(int requestCode) {
 881        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
 882        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
 883        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
 884        boolean hasUndecidedOwn =
 885                !axolotlService
 886                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
 887                        .isEmpty();
 888        boolean hasUndecidedContacts =
 889                !axolotlService
 890                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
 891                        .isEmpty();
 892        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
 893        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
 894        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
 895        if (hasUndecidedOwn
 896                || hasUndecidedContacts
 897                || hasPendingKeys
 898                || hasNoTrustedKeys
 899                || hasUnaccepted
 900                || downloadInProgress) {
 901            axolotlService.createSessionsIfNeeded(conversation);
 902            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
 903            String[] contacts = new String[targets.size()];
 904            for (int i = 0; i < contacts.length; ++i) {
 905                contacts[i] = targets.get(i).toString();
 906            }
 907            intent.putExtra("contacts", contacts);
 908            intent.putExtra(
 909                    EXTRA_ACCOUNT, conversation.getAccount().getJid().asBareJid().toString());
 910            intent.putExtra("conversation", conversation.getUuid());
 911            startActivityForResult(intent, requestCode);
 912            return true;
 913        } else {
 914            return false;
 915        }
 916    }
 917
 918    public void updateChatMsgHint() {
 919        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
 920        if (conversation.getCorrectingMessage() != null) {
 921            this.binding.textInputHint.setVisibility(View.GONE);
 922            this.binding.textinput.setHint(R.string.send_corrected_message);
 923        } else if (multi && conversation.getNextCounterpart() != null) {
 924            this.binding.textinput.setHint(R.string.send_unencrypted_message);
 925            this.binding.textInputHint.setVisibility(View.VISIBLE);
 926            this.binding.textInputHint.setText(
 927                    getString(
 928                            R.string.send_private_message_to,
 929                            conversation.getNextCounterpart().getResource()));
 930        } else if (multi && !conversation.getMucOptions().participating()) {
 931            this.binding.textInputHint.setVisibility(View.GONE);
 932            this.binding.textinput.setHint(R.string.you_are_not_participating);
 933        } else {
 934            this.binding.textInputHint.setVisibility(View.GONE);
 935            this.binding.textinput.setHint(UIHelper.getMessageHint(getActivity(), conversation));
 936            getActivity().invalidateOptionsMenu();
 937        }
 938    }
 939
 940    public void setupIme() {
 941        this.binding.textinput.refreshIme();
 942    }
 943
 944    private void handleActivityResult(ActivityResult activityResult) {
 945        if (activityResult.resultCode == Activity.RESULT_OK) {
 946            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
 947        } else {
 948            handleNegativeActivityResult(activityResult.requestCode);
 949        }
 950    }
 951
 952    private void handlePositiveActivityResult(int requestCode, final Intent data) {
 953        switch (requestCode) {
 954            case REQUEST_TRUST_KEYS_TEXT:
 955                sendMessage();
 956                break;
 957            case REQUEST_TRUST_KEYS_ATTACHMENTS:
 958                commitAttachments();
 959                break;
 960            case REQUEST_START_AUDIO_CALL:
 961                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
 962                break;
 963            case REQUEST_START_VIDEO_CALL:
 964                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
 965                break;
 966            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 967                final List<Attachment> imageUris =
 968                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
 969                mediaPreviewAdapter.addMediaPreviews(imageUris);
 970                toggleInputMethod();
 971                break;
 972            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 973                final Uri takePhotoUri = pendingTakePhotoUri.pop();
 974                if (takePhotoUri != null) {
 975                    mediaPreviewAdapter.addMediaPreviews(
 976                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
 977                    toggleInputMethod();
 978                } else {
 979                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
 980                }
 981                break;
 982            case ATTACHMENT_CHOICE_CHOOSE_FILE:
 983            case ATTACHMENT_CHOICE_RECORD_VIDEO:
 984            case ATTACHMENT_CHOICE_RECORD_VOICE:
 985                final Attachment.Type type =
 986                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
 987                                ? Attachment.Type.RECORDING
 988                                : Attachment.Type.FILE;
 989                final List<Attachment> fileUris =
 990                        Attachment.extractAttachments(getActivity(), data, type);
 991                mediaPreviewAdapter.addMediaPreviews(fileUris);
 992                toggleInputMethod();
 993                break;
 994            case ATTACHMENT_CHOICE_LOCATION:
 995                final double latitude = data.getDoubleExtra("latitude", 0);
 996                final double longitude = data.getDoubleExtra("longitude", 0);
 997                final int accuracy = data.getIntExtra("accuracy", 0);
 998                final Uri geo;
 999                if (accuracy > 0) {
1000                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1001                } else {
1002                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1003                }
1004                mediaPreviewAdapter.addMediaPreviews(
1005                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1006                toggleInputMethod();
1007                break;
1008            case REQUEST_INVITE_TO_CONVERSATION:
1009                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1010                if (invite != null) {
1011                    if (invite.execute(activity)) {
1012                        activity.mToast =
1013                                Toast.makeText(
1014                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1015                        activity.mToast.show();
1016                    }
1017                }
1018                break;
1019        }
1020    }
1021
1022    private void commitAttachments() {
1023        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1024        if (anyNeedsExternalStoragePermission(attachments)
1025                && !hasPermissions(
1026                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1027            return;
1028        }
1029        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1030            return;
1031        }
1032        final PresenceSelector.OnPresenceSelected callback =
1033                () -> {
1034                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1035                        final Attachment attachment = i.next();
1036                        if (attachment.getType() == Attachment.Type.LOCATION) {
1037                            attachLocationToConversation(conversation, attachment.getUri());
1038                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1039                            Log.d(
1040                                    Config.LOGTAG,
1041                                    "ConversationsActivity.commitAttachments() - attaching image to"
1042                                            + " conversations. CHOOSE_IMAGE");
1043                            attachImageToConversation(
1044                                    conversation, attachment.getUri(), attachment.getMime());
1045                        } else {
1046                            Log.d(
1047                                    Config.LOGTAG,
1048                                    "ConversationsActivity.commitAttachments() - attaching file to"
1049                                        + " conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1050                            attachFileToConversation(
1051                                    conversation, attachment.getUri(), attachment.getMime());
1052                        }
1053                    }
1054                    mediaPreviewAdapter.notifyDataSetChanged();
1055                    toggleInputMethod();
1056                };
1057        if (conversation == null
1058                || conversation.getMode() == Conversation.MODE_MULTI
1059                || Attachment.canBeSendInBand(attachments)
1060                || (conversation.getAccount().httpUploadAvailable()
1061                        && FileBackend.allFilesUnderSize(
1062                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1063            callback.onPresenceSelected();
1064        } else {
1065            activity.selectPresence(conversation, callback);
1066        }
1067    }
1068
1069    private static boolean anyNeedsExternalStoragePermission(
1070            final Collection<Attachment> attachments) {
1071        for (final Attachment attachment : attachments) {
1072            if (attachment.getType() != Attachment.Type.LOCATION) {
1073                return true;
1074            }
1075        }
1076        return false;
1077    }
1078
1079    public void toggleInputMethod() {
1080        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1081        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1082        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1083        updateSendButton();
1084    }
1085
1086    private void handleNegativeActivityResult(int requestCode) {
1087        switch (requestCode) {
1088            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1089                if (pendingTakePhotoUri.clear()) {
1090                    Log.d(
1091                            Config.LOGTAG,
1092                            "cleared pending photo uri after negative activity result");
1093                }
1094                break;
1095        }
1096    }
1097
1098    @Override
1099    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1100        super.onActivityResult(requestCode, resultCode, data);
1101        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1102        if (activity != null && activity.xmppConnectionService != null) {
1103            handleActivityResult(activityResult);
1104        } else {
1105            this.postponedActivityResult.push(activityResult);
1106        }
1107    }
1108
1109    public void unblockConversation(final Blockable conversation) {
1110        activity.xmppConnectionService.sendUnblockRequest(conversation);
1111    }
1112
1113    @Override
1114    public void onAttach(Activity activity) {
1115        super.onAttach(activity);
1116        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1117        if (activity instanceof ConversationsActivity) {
1118            this.activity = (ConversationsActivity) activity;
1119        } else {
1120            throw new IllegalStateException(
1121                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1122        }
1123    }
1124
1125    @Override
1126    public void onDetach() {
1127        super.onDetach();
1128        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1129    }
1130
1131    @Override
1132    public void onCreate(Bundle savedInstanceState) {
1133        super.onCreate(savedInstanceState);
1134        setHasOptionsMenu(true);
1135    }
1136
1137    @Override
1138    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1139        menuInflater.inflate(R.menu.fragment_conversation, menu);
1140        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1141        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1142        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1143        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1144        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1145        final MenuItem menuCall = menu.findItem(R.id.action_call);
1146        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1147        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1148        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1149
1150        if (conversation != null) {
1151            if (conversation.getMode() == Conversation.MODE_MULTI) {
1152                menuContactDetails.setVisible(false);
1153                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1154                menuMucDetails.setTitle(
1155                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1156                                ? R.string.action_muc_details
1157                                : R.string.channel_details);
1158                menuCall.setVisible(false);
1159                menuOngoingCall.setVisible(false);
1160            } else {
1161                final XmppConnectionService service =
1162                        activity == null ? null : activity.xmppConnectionService;
1163                final Optional<OngoingRtpSession> ongoingRtpSession =
1164                        service == null
1165                                ? Optional.absent()
1166                                : service.getJingleConnectionManager()
1167                                        .getOngoingRtpConnection(conversation.getContact());
1168                if (ongoingRtpSession.isPresent()) {
1169                    menuOngoingCall.setVisible(true);
1170                    menuCall.setVisible(false);
1171                } else {
1172                    menuOngoingCall.setVisible(false);
1173                    // use RtpCapability.check(conversation.getContact()); to check if contact
1174                    // actually has support
1175                    final boolean cameraAvailable =
1176                            activity != null && activity.isCameraFeatureAvailable();
1177                    menuCall.setVisible(true);
1178                    menuVideoCall.setVisible(cameraAvailable);
1179                }
1180                menuContactDetails.setVisible(!this.conversation.withSelf());
1181                menuMucDetails.setVisible(false);
1182                final var connection = this.conversation.getAccount().getXmppConnection();
1183                menuInviteContact.setVisible(
1184                        !connection.getManager(MultiUserChatManager.class).getServices().isEmpty());
1185            }
1186            if (conversation.isMuted()) {
1187                menuMute.setVisible(false);
1188            } else {
1189                menuUnmute.setVisible(false);
1190            }
1191            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu);
1192            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1193            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1194                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1195            } else {
1196                menuTogglePinned.setTitle(R.string.add_to_favorites);
1197            }
1198        }
1199        super.onCreateOptionsMenu(menu, menuInflater);
1200    }
1201
1202    @Override
1203    public View onCreateView(
1204            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1205        this.binding =
1206                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1207        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1208
1209        binding.textinput.addTextChangedListener(
1210                new StylingHelper.MessageEditorStyler(binding.textinput));
1211
1212        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1213        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1214
1215        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1216
1217        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1218        binding.messagesView.setOnScrollListener(mOnScrollListener);
1219        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1220        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1221        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1222        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1223        messageListAdapter.setOnContactPictureClicked(this);
1224        messageListAdapter.setOnContactPictureLongClicked(this);
1225        binding.messagesView.setAdapter(messageListAdapter);
1226
1227        registerForContextMenu(binding.messagesView);
1228
1229        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1230            this.binding.textinput.setCustomInsertionActionModeCallback(
1231                    new EditMessageActionModeCallback(this.binding.textinput));
1232        }
1233
1234        return binding.getRoot();
1235    }
1236
1237    @Override
1238    public void onDestroyView() {
1239        super.onDestroyView();
1240        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1241        messageListAdapter.setOnContactPictureClicked(null);
1242        messageListAdapter.setOnContactPictureLongClicked(null);
1243    }
1244
1245    private void quoteText(String text) {
1246        if (binding.textinput.isEnabled()) {
1247            binding.textinput.insertAsQuote(text);
1248            binding.textinput.requestFocus();
1249            InputMethodManager inputMethodManager =
1250                    (InputMethodManager)
1251                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1252            if (inputMethodManager != null) {
1253                inputMethodManager.showSoftInput(
1254                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1255            }
1256        }
1257    }
1258
1259    private void quoteMessage(Message message) {
1260        quoteText(MessageUtils.prepareQuote(message));
1261    }
1262
1263    @Override
1264    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1265        // This should cancel any remaining click events that would otherwise trigger links
1266        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1267        synchronized (this.messageList) {
1268            super.onCreateContextMenu(menu, v, menuInfo);
1269            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1270            this.selectedMessage = this.messageList.get(acmi.position);
1271            populateContextMenu(menu);
1272        }
1273    }
1274
1275    private void populateContextMenu(final ContextMenu menu) {
1276        final Message m = this.selectedMessage;
1277        final Transferable t = m.getTransferable();
1278        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1279
1280            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1281                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1282                return;
1283            }
1284
1285            if (m.getStatus() == Message.STATUS_RECEIVED
1286                    && t != null
1287                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1288                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1289                return;
1290            }
1291
1292            final boolean deleted = m.isDeleted();
1293            final boolean encrypted =
1294                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1295                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1296            final boolean receiving =
1297                    m.getStatus() == Message.STATUS_RECEIVED
1298                            && (t instanceof JingleFileTransferConnection
1299                                    || t instanceof HttpDownloadConnection);
1300            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1301            menu.setHeaderTitle(R.string.message_options);
1302            final MenuItem addReaction = menu.findItem(R.id.action_add_reaction);
1303            final MenuItem reportAndBlock = menu.findItem(R.id.action_report_and_block);
1304            final MenuItem openWith = menu.findItem(R.id.open_with);
1305            final MenuItem copyMessage = menu.findItem(R.id.copy_message);
1306            final MenuItem copyLink = menu.findItem(R.id.copy_link);
1307            final MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1308            final MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1309            final MenuItem correctMessage = menu.findItem(R.id.correct_message);
1310            final MenuItem shareWith = menu.findItem(R.id.share_with);
1311            final MenuItem sendAgain = menu.findItem(R.id.send_again);
1312            final MenuItem retryAsP2P = menu.findItem(R.id.send_again_as_p2p);
1313            final MenuItem copyUrl = menu.findItem(R.id.copy_url);
1314            final MenuItem downloadFile = menu.findItem(R.id.download_file);
1315            final MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1316            final MenuItem deleteFile = menu.findItem(R.id.delete_file);
1317            final MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1318            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1319            final boolean showError =
1320                    m.getStatus() == Message.STATUS_SEND_FAILED
1321                            && m.getErrorMessage() != null
1322                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1323            final Conversational conversational = m.getConversation();
1324            final var connection = conversational.getAccount().getXmppConnection();
1325            if (m.getStatus() == Message.STATUS_RECEIVED
1326                    && conversational instanceof Conversation c) {
1327                if (c.isWithStranger()
1328                        && m.getServerMsgId() != null
1329                        && !c.isBlocked()
1330                        && connection != null
1331                        && connection.getFeatures().spamReporting()) {
1332                    reportAndBlock.setVisible(true);
1333                }
1334            }
1335            if (conversational instanceof Conversation c) {
1336                addReaction.setVisible(
1337                        m.getStatus() != Message.STATUS_SEND_FAILED
1338                                && !m.isDeleted()
1339                                && (c.getMode() == Conversational.MODE_SINGLE
1340                                        || (c.getMucOptions().occupantId()
1341                                                && c.getMucOptions().participating())));
1342            } else {
1343                addReaction.setVisible(false);
1344            }
1345            if (!m.isFileOrImage()
1346                    && !encrypted
1347                    && !m.isGeoUri()
1348                    && !m.treatAsDownloadable()
1349                    && !unInitiatedButKnownSize
1350                    && t == null) {
1351                copyMessage.setVisible(true);
1352                quoteMessage.setVisible(!showError && !MessageUtils.prepareQuote(m).isEmpty());
1353                final var firstUri = Iterables.getFirst(Linkify.getLinks(m.getBody()), null);
1354                if (firstUri != null) {
1355                    final var scheme = firstUri.getScheme();
1356                    final @StringRes int resForScheme =
1357                            switch (scheme) {
1358                                case "xmpp" -> R.string.copy_jabber_id;
1359                                case "http", "https", "gemini" -> R.string.copy_link;
1360                                case "geo" -> R.string.copy_geo_uri;
1361                                case "tel" -> R.string.copy_telephone_number;
1362                                case "mailto" -> R.string.copy_email_address;
1363                                default -> R.string.copy_URI;
1364                            };
1365                    copyLink.setTitle(resForScheme);
1366                    copyLink.setVisible(true);
1367                } else {
1368                    copyLink.setVisible(false);
1369                }
1370            }
1371            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1372                retryDecryption.setVisible(true);
1373            }
1374            if (!showError
1375                    && m.getType() == Message.TYPE_TEXT
1376                    && !m.isGeoUri()
1377                    && m.isLastCorrectableMessage()
1378                    && m.getConversation() instanceof Conversation) {
1379                correctMessage.setVisible(true);
1380            }
1381            if ((m.isFileOrImage() && !deleted && !receiving)
1382                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1383                            && !unInitiatedButKnownSize
1384                            && t == null) {
1385                shareWith.setVisible(true);
1386            }
1387            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1388                sendAgain.setVisible(true);
1389                final var httpUploadAvailable =
1390                        connection != null
1391                                && Objects.nonNull(
1392                                        connection
1393                                                .getManager(HttpUploadManager.class)
1394                                                .getService());
1395                final var fileNotUploaded = m.isFileOrImage() && !m.hasFileOnRemoteHost();
1396                final var isPeerOnline =
1397                        conversational.getMode() == Conversation.MODE_SINGLE
1398                                && (conversational instanceof Conversation c)
1399                                && !c.getContact().getPresences().isEmpty();
1400                retryAsP2P.setVisible(fileNotUploaded && isPeerOnline && httpUploadAvailable);
1401            }
1402            if (m.hasFileOnRemoteHost()
1403                    || m.isGeoUri()
1404                    || m.treatAsDownloadable()
1405                    || unInitiatedButKnownSize
1406                    || t instanceof HttpDownloadConnection) {
1407                copyUrl.setVisible(true);
1408            }
1409            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1410                downloadFile.setVisible(true);
1411                downloadFile.setTitle(
1412                        activity.getString(
1413                                R.string.download_x_file,
1414                                UIHelper.getFileDescriptionString(activity, m)));
1415            }
1416            final boolean waitingOfferedSending =
1417                    m.getStatus() == Message.STATUS_WAITING
1418                            || m.getStatus() == Message.STATUS_UNSEND
1419                            || m.getStatus() == Message.STATUS_OFFERED;
1420            final boolean cancelable =
1421                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1422            if (cancelable) {
1423                cancelTransmission.setVisible(true);
1424            }
1425            if (m.isFileOrImage() && !deleted && !cancelable) {
1426                final String path = m.getRelativeFilePath();
1427                if (path == null
1428                        || !path.startsWith("/")
1429                        || FileBackend.inConversationsDirectory(requireActivity(), path)) {
1430                    deleteFile.setVisible(true);
1431                    deleteFile.setTitle(
1432                            activity.getString(
1433                                    R.string.delete_x_file,
1434                                    UIHelper.getFileDescriptionString(activity, m)));
1435                }
1436            }
1437            if (showError) {
1438                showErrorMessage.setVisible(true);
1439            }
1440            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1441            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1442                    || (mime != null && mime.startsWith("audio/"))) {
1443                openWith.setVisible(true);
1444            }
1445        }
1446    }
1447
1448    @Override
1449    public boolean onContextItemSelected(MenuItem item) {
1450        switch (item.getItemId()) {
1451            case R.id.share_with:
1452                ShareUtil.share(activity, selectedMessage);
1453                return true;
1454            case R.id.correct_message:
1455                correctMessage(selectedMessage);
1456                return true;
1457            case R.id.copy_message:
1458                ShareUtil.copyToClipboard(activity, selectedMessage);
1459                return true;
1460            case R.id.copy_link:
1461                ShareUtil.copyLinkToClipboard(activity, selectedMessage);
1462                return true;
1463            case R.id.quote_message:
1464                quoteMessage(selectedMessage);
1465                return true;
1466            case R.id.send_again:
1467                resendMessage(selectedMessage, false);
1468                return true;
1469            case R.id.send_again_as_p2p:
1470                resendMessage(selectedMessage, true);
1471                return true;
1472            case R.id.copy_url:
1473                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1474                return true;
1475            case R.id.download_file:
1476                startDownloadable(selectedMessage);
1477                return true;
1478            case R.id.cancel_transmission:
1479                cancelTransmission(selectedMessage);
1480                return true;
1481            case R.id.retry_decryption:
1482                retryDecryption(selectedMessage);
1483                return true;
1484            case R.id.delete_file:
1485                deleteFile(selectedMessage);
1486                return true;
1487            case R.id.show_error_message:
1488                showErrorMessage(selectedMessage);
1489                return true;
1490            case R.id.open_with:
1491                openWith(selectedMessage);
1492                return true;
1493            case R.id.action_report_and_block:
1494                reportMessage(selectedMessage);
1495                return true;
1496            case R.id.action_add_reaction:
1497                addReaction(selectedMessage);
1498                return true;
1499            default:
1500                return super.onContextItemSelected(item);
1501        }
1502    }
1503
1504    @Override
1505    public boolean onOptionsItemSelected(final MenuItem item) {
1506        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1507            return false;
1508        } else if (conversation == null) {
1509            return super.onOptionsItemSelected(item);
1510        }
1511        switch (item.getItemId()) {
1512            case R.id.encryption_choice_axolotl:
1513            case R.id.encryption_choice_pgp:
1514            case R.id.encryption_choice_none:
1515                handleEncryptionSelection(item);
1516                break;
1517            case R.id.attach_choose_picture:
1518            case R.id.attach_take_picture:
1519            case R.id.attach_record_video:
1520            case R.id.attach_choose_file:
1521            case R.id.attach_record_voice:
1522            case R.id.attach_location:
1523                handleAttachmentSelection(item);
1524                break;
1525            case R.id.action_search:
1526                startSearch();
1527                break;
1528            case R.id.action_archive:
1529                activity.xmppConnectionService.archiveConversation(conversation);
1530                break;
1531            case R.id.action_contact_details:
1532                activity.switchToContactDetails(conversation.getContact());
1533                break;
1534            case R.id.action_muc_details:
1535                ConferenceDetailsActivity.open(getActivity(), conversation);
1536                break;
1537            case R.id.action_invite:
1538                startActivityForResult(
1539                        ChooseContactActivity.create(activity, conversation),
1540                        REQUEST_INVITE_TO_CONVERSATION);
1541                break;
1542            case R.id.action_clear_history:
1543                clearHistoryDialog(conversation);
1544                break;
1545            case R.id.action_mute:
1546                muteConversationDialog(conversation);
1547                break;
1548            case R.id.action_unmute:
1549                unMuteConversation(conversation);
1550                break;
1551            case R.id.action_block:
1552            case R.id.action_unblock:
1553                final Activity activity = getActivity();
1554                if (activity instanceof XmppActivity) {
1555                    BlockContactDialog.show((XmppActivity) activity, conversation);
1556                }
1557                break;
1558            case R.id.action_audio_call:
1559                checkPermissionAndTriggerAudioCall();
1560                break;
1561            case R.id.action_video_call:
1562                checkPermissionAndTriggerVideoCall();
1563                break;
1564            case R.id.action_ongoing_call:
1565                returnToOngoingCall();
1566                break;
1567            case R.id.action_toggle_pinned:
1568                togglePinned();
1569                break;
1570            default:
1571                break;
1572        }
1573        return super.onOptionsItemSelected(item);
1574    }
1575
1576    private void startSearch() {
1577        final Intent intent = new Intent(getActivity(), SearchActivity.class);
1578        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
1579        startActivity(intent);
1580    }
1581
1582    private void returnToOngoingCall() {
1583        final Optional<OngoingRtpSession> ongoingRtpSession =
1584                activity.xmppConnectionService
1585                        .getJingleConnectionManager()
1586                        .getOngoingRtpConnection(conversation.getContact());
1587        if (ongoingRtpSession.isPresent()) {
1588            final OngoingRtpSession id = ongoingRtpSession.get();
1589            final Intent intent = new Intent(getActivity(), RtpSessionActivity.class);
1590            intent.setAction(Intent.ACTION_VIEW);
1591            intent.putExtra(
1592                    RtpSessionActivity.EXTRA_ACCOUNT,
1593                    id.getAccount().getJid().asBareJid().toString());
1594            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toString());
1595            if (id instanceof AbstractJingleConnection) {
1596                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
1597                startActivity(intent);
1598            } else if (id instanceof JingleConnectionManager.RtpSessionProposal proposal) {
1599                if (Media.audioOnly(proposal.media)) {
1600                    intent.putExtra(
1601                            RtpSessionActivity.EXTRA_LAST_ACTION,
1602                            RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1603                } else {
1604                    intent.putExtra(
1605                            RtpSessionActivity.EXTRA_LAST_ACTION,
1606                            RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1607                }
1608                intent.putExtra(RtpSessionActivity.EXTRA_PROPOSED_SESSION_ID, proposal.sessionId);
1609                startActivity(intent);
1610            }
1611        }
1612    }
1613
1614    private void togglePinned() {
1615        final boolean pinned =
1616                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
1617        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
1618        activity.xmppConnectionService.updateConversation(conversation);
1619        activity.invalidateOptionsMenu();
1620    }
1621
1622    private void checkPermissionAndTriggerAudioCall() {
1623        if (activity.mUseTor || conversation.getAccount().isOnion()) {
1624            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
1625            return;
1626        }
1627        final List<String> permissions;
1628        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1629            permissions =
1630                    Arrays.asList(
1631                            Manifest.permission.RECORD_AUDIO,
1632                            Manifest.permission.BLUETOOTH_CONNECT);
1633        } else {
1634            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
1635        }
1636        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
1637            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1638        }
1639    }
1640
1641    private void checkPermissionAndTriggerVideoCall() {
1642        if (activity.mUseTor || conversation.getAccount().isOnion()) {
1643            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
1644            return;
1645        }
1646        final List<String> permissions;
1647        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1648            permissions =
1649                    Arrays.asList(
1650                            Manifest.permission.RECORD_AUDIO,
1651                            Manifest.permission.CAMERA,
1652                            Manifest.permission.BLUETOOTH_CONNECT);
1653        } else {
1654            permissions =
1655                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
1656        }
1657        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
1658            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1659        }
1660    }
1661
1662    private void triggerRtpSession(final String action) {
1663        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy()) {
1664            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
1665                    .show();
1666            return;
1667        }
1668        final Account account = conversation.getAccount();
1669        if (account.setOption(Account.OPTION_SOFT_DISABLED, false)) {
1670            activity.xmppConnectionService.updateAccount(account);
1671        }
1672        final Contact contact = conversation.getContact();
1673        if (Config.USE_JINGLE_MESSAGE_INIT && RtpCapability.jmiSupport(contact)) {
1674            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
1675        } else {
1676            final RtpCapability.Capability capability;
1677            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
1678                capability = RtpCapability.Capability.VIDEO;
1679            } else {
1680                capability = RtpCapability.Capability.AUDIO;
1681            }
1682            PresenceSelector.selectFullJidForDirectRtpConnection(
1683                    activity,
1684                    contact,
1685                    capability,
1686                    fullJid -> {
1687                        triggerRtpSession(contact.getAccount(), fullJid, action);
1688                    });
1689        }
1690    }
1691
1692    private void triggerRtpSession(final Account account, final Jid with, final String action) {
1693        CallIntegrationConnectionService.placeCall(
1694                activity.xmppConnectionService,
1695                account,
1696                with,
1697                RtpSessionActivity.actionToMedia(action));
1698    }
1699
1700    private void handleAttachmentSelection(MenuItem item) {
1701        switch (item.getItemId()) {
1702            case R.id.attach_choose_picture:
1703                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
1704                break;
1705            case R.id.attach_take_picture:
1706                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
1707                break;
1708            case R.id.attach_record_video:
1709                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
1710                break;
1711            case R.id.attach_choose_file:
1712                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
1713                break;
1714            case R.id.attach_record_voice:
1715                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
1716                break;
1717            case R.id.attach_location:
1718                attachFile(ATTACHMENT_CHOICE_LOCATION);
1719                break;
1720        }
1721    }
1722
1723    private void handleEncryptionSelection(MenuItem item) {
1724        if (conversation == null) {
1725            return;
1726        }
1727        final boolean updated;
1728        switch (item.getItemId()) {
1729            case R.id.encryption_choice_none:
1730                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1731                item.setChecked(true);
1732                break;
1733            case R.id.encryption_choice_pgp:
1734                if (activity.hasPgp()) {
1735                    if (conversation.getAccount().getPgpSignature() != null) {
1736                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
1737                        item.setChecked(true);
1738                    } else {
1739                        updated = false;
1740                        activity.announcePgp(
1741                                conversation.getAccount(),
1742                                conversation,
1743                                null,
1744                                activity.onOpenPGPKeyPublished);
1745                    }
1746                } else {
1747                    activity.showInstallPgpDialog();
1748                    updated = false;
1749                }
1750                break;
1751            case R.id.encryption_choice_axolotl:
1752                Log.d(
1753                        Config.LOGTAG,
1754                        AxolotlService.getLogprefix(conversation.getAccount())
1755                                + "Enabled axolotl for Contact "
1756                                + conversation.getContact().getJid());
1757                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
1758                item.setChecked(true);
1759                break;
1760            default:
1761                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1762                break;
1763        }
1764        if (updated) {
1765            activity.xmppConnectionService.updateConversation(conversation);
1766        }
1767        updateChatMsgHint();
1768        getActivity().invalidateOptionsMenu();
1769        activity.refreshUi();
1770    }
1771
1772    public void attachFile(final int attachmentChoice) {
1773        attachFile(attachmentChoice, true);
1774    }
1775
1776    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
1777        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
1778            if (!hasPermissions(
1779                    attachmentChoice,
1780                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
1781                    Manifest.permission.RECORD_AUDIO)) {
1782                return;
1783            }
1784        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
1785                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
1786            if (!hasPermissions(
1787                    attachmentChoice,
1788                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
1789                    Manifest.permission.CAMERA)) {
1790                return;
1791            }
1792        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
1793            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1794                return;
1795            }
1796        }
1797        if (updateRecentlyUsed) {
1798            storeRecentlyUsedQuickAction(attachmentChoice);
1799        }
1800        final int encryption = conversation.getNextEncryption();
1801        final int mode = conversation.getMode();
1802        if (encryption == Message.ENCRYPTION_PGP) {
1803            if (activity.hasPgp()) {
1804                if (mode == Conversation.MODE_SINGLE
1805                        && conversation.getContact().getPgpKeyId() != 0) {
1806                    activity.xmppConnectionService
1807                            .getPgpEngine()
1808                            .hasKey(
1809                                    conversation.getContact(),
1810                                    new UiCallback<Contact>() {
1811
1812                                        @Override
1813                                        public void userInputRequired(
1814                                                PendingIntent pi, Contact contact) {
1815                                            startPendingIntent(pi, attachmentChoice);
1816                                        }
1817
1818                                        @Override
1819                                        public void success(Contact contact) {
1820                                            invokeAttachFileIntent(attachmentChoice);
1821                                        }
1822
1823                                        @Override
1824                                        public void error(int error, Contact contact) {
1825                                            activity.replaceToast(getString(error));
1826                                        }
1827                                    });
1828                } else if (mode == Conversation.MODE_MULTI
1829                        && conversation.getMucOptions().pgpKeysInUse()) {
1830                    if (!conversation.getMucOptions().everybodyHasKeys()) {
1831                        Toast warning =
1832                                Toast.makeText(
1833                                        getActivity(),
1834                                        R.string.missing_public_keys,
1835                                        Toast.LENGTH_LONG);
1836                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1837                        warning.show();
1838                    }
1839                    invokeAttachFileIntent(attachmentChoice);
1840                } else {
1841                    showNoPGPKeyDialog(
1842                            false,
1843                            (dialog, which) -> {
1844                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1845                                activity.xmppConnectionService.updateConversation(conversation);
1846                                invokeAttachFileIntent(attachmentChoice);
1847                            });
1848                }
1849            } else {
1850                activity.showInstallPgpDialog();
1851            }
1852        } else {
1853            invokeAttachFileIntent(attachmentChoice);
1854        }
1855    }
1856
1857    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
1858        try {
1859            activity.getPreferences()
1860                    .edit()
1861                    .putString(
1862                            RECENTLY_USED_QUICK_ACTION,
1863                            SendButtonAction.of(attachmentChoice).toString())
1864                    .apply();
1865        } catch (IllegalArgumentException e) {
1866            // just do not save
1867        }
1868    }
1869
1870    @Override
1871    public void onRequestPermissionsResult(
1872            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
1873        final PermissionUtils.PermissionResult permissionResult =
1874                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
1875        if (grantResults.length > 0) {
1876            if (allGranted(permissionResult.grantResults)) {
1877                switch (requestCode) {
1878                    case REQUEST_START_DOWNLOAD:
1879                        if (this.mPendingDownloadableMessage != null) {
1880                            startDownloadable(this.mPendingDownloadableMessage);
1881                        }
1882                        break;
1883                    case REQUEST_ADD_EDITOR_CONTENT:
1884                        if (this.mPendingEditorContent != null) {
1885                            attachEditorContentToConversation(this.mPendingEditorContent);
1886                        }
1887                        break;
1888                    case REQUEST_COMMIT_ATTACHMENTS:
1889                        commitAttachments();
1890                        break;
1891                    case REQUEST_START_AUDIO_CALL:
1892                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1893                        break;
1894                    case REQUEST_START_VIDEO_CALL:
1895                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1896                        break;
1897                    default:
1898                        attachFile(requestCode);
1899                        break;
1900                }
1901            } else {
1902                @StringRes int res;
1903                String firstDenied =
1904                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
1905                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
1906                    res = R.string.no_microphone_permission;
1907                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
1908                    res = R.string.no_camera_permission;
1909                } else {
1910                    res = R.string.no_storage_permission;
1911                }
1912                Toast.makeText(
1913                                getActivity(),
1914                                getString(res, getString(R.string.app_name)),
1915                                Toast.LENGTH_SHORT)
1916                        .show();
1917            }
1918        }
1919        if (writeGranted(grantResults, permissions)) {
1920            if (activity != null && activity.xmppConnectionService != null) {
1921                activity.xmppConnectionService.getBitmapCache().evictAll();
1922                activity.xmppConnectionService.restartFileObserver();
1923            }
1924            refresh();
1925        }
1926        if (cameraGranted(grantResults, permissions) || audioGranted(grantResults, permissions)) {
1927            XmppConnectionService.toggleForegroundService(activity);
1928        }
1929    }
1930
1931    public void startDownloadable(Message message) {
1932        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1933            this.mPendingDownloadableMessage = message;
1934            return;
1935        }
1936        Transferable transferable = message.getTransferable();
1937        if (transferable != null) {
1938            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
1939                createNewConnection(message);
1940                return;
1941            }
1942            if (!transferable.start()) {
1943                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
1944                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
1945                        .show();
1946            }
1947        } else if (message.treatAsDownloadable()
1948                || message.hasFileOnRemoteHost()
1949                || MessageUtils.unInitiatedButKnownSize(message)) {
1950            createNewConnection(message);
1951        } else {
1952            Log.d(
1953                    Config.LOGTAG,
1954                    message.getConversation().getAccount() + ": unable to start downloadable");
1955        }
1956    }
1957
1958    private void createNewConnection(final Message message) {
1959        if (!activity.xmppConnectionService.hasInternetConnection()) {
1960            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
1961                    .show();
1962            return;
1963        }
1964        activity.xmppConnectionService
1965                .getHttpConnectionManager()
1966                .createNewDownloadConnection(message, true);
1967    }
1968
1969    @SuppressLint("InflateParams")
1970    protected void clearHistoryDialog(final Conversation conversation) {
1971        final MaterialAlertDialogBuilder builder =
1972                new MaterialAlertDialogBuilder(requireActivity());
1973        builder.setTitle(R.string.clear_conversation_history);
1974        final View dialogView =
1975                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
1976        final CheckBox endConversationCheckBox =
1977                dialogView.findViewById(R.id.end_conversation_checkbox);
1978        builder.setView(dialogView);
1979        builder.setNegativeButton(getString(R.string.cancel), null);
1980        builder.setPositiveButton(
1981                getString(R.string.confirm),
1982                (dialog, which) -> {
1983                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
1984                    if (endConversationCheckBox.isChecked()) {
1985                        this.activity.xmppConnectionService.archiveConversation(conversation);
1986                        this.activity.onConversationArchived(conversation);
1987                    } else {
1988                        activity.onConversationsListItemUpdated();
1989                        refresh();
1990                    }
1991                });
1992        builder.create().show();
1993    }
1994
1995    protected void muteConversationDialog(final Conversation conversation) {
1996        final MaterialAlertDialogBuilder builder =
1997                new MaterialAlertDialogBuilder(requireActivity());
1998        builder.setTitle(R.string.disable_notifications);
1999        final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
2000        final CharSequence[] labels = new CharSequence[durations.length];
2001        for (int i = 0; i < durations.length; ++i) {
2002            if (durations[i] == -1) {
2003                labels[i] = getString(R.string.until_further_notice);
2004            } else {
2005                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2006            }
2007        }
2008        builder.setItems(
2009                labels,
2010                (dialog, which) -> {
2011                    final long till;
2012                    if (durations[which] == -1) {
2013                        till = Long.MAX_VALUE;
2014                    } else {
2015                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2016                    }
2017                    conversation.setMutedTill(till);
2018                    activity.xmppConnectionService.updateConversation(conversation);
2019                    activity.onConversationsListItemUpdated();
2020                    refresh();
2021                    requireActivity().invalidateOptionsMenu();
2022                });
2023        builder.create().show();
2024    }
2025
2026    private boolean hasPermissions(int requestCode, List<String> permissions) {
2027        final List<String> missingPermissions = new ArrayList<>();
2028        for (String permission : permissions) {
2029            if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
2030                            || Config.ONLY_INTERNAL_STORAGE)
2031                    && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2032                continue;
2033            }
2034            if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2035                missingPermissions.add(permission);
2036            }
2037        }
2038        if (missingPermissions.size() == 0) {
2039            return true;
2040        } else {
2041            requestPermissions(missingPermissions.toArray(new String[0]), requestCode);
2042            return false;
2043        }
2044    }
2045
2046    private boolean hasPermissions(int requestCode, String... permissions) {
2047        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2048    }
2049
2050    public void unMuteConversation(final Conversation conversation) {
2051        conversation.setMutedTill(0);
2052        this.activity.xmppConnectionService.updateConversation(conversation);
2053        this.activity.onConversationsListItemUpdated();
2054        refresh();
2055        requireActivity().invalidateOptionsMenu();
2056    }
2057
2058    protected void invokeAttachFileIntent(final int attachmentChoice) {
2059        Intent intent = new Intent();
2060        boolean chooser = false;
2061        switch (attachmentChoice) {
2062            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2063                intent.setAction(Intent.ACTION_GET_CONTENT);
2064                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2065                intent.setType("image/*");
2066                chooser = true;
2067                break;
2068            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2069                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2070                break;
2071            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2072                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2073                pendingTakePhotoUri.push(uri);
2074                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2075                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2076                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2077                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2078                break;
2079            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2080                chooser = true;
2081                intent.setType("*/*");
2082                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2083                intent.addCategory(Intent.CATEGORY_OPENABLE);
2084                intent.setAction(Intent.ACTION_GET_CONTENT);
2085                break;
2086            case ATTACHMENT_CHOICE_RECORD_VOICE:
2087                intent = new Intent(getActivity(), RecordingActivity.class);
2088                break;
2089            case ATTACHMENT_CHOICE_LOCATION:
2090                intent = GeoHelper.getFetchIntent(activity);
2091                break;
2092        }
2093        final Context context = getActivity();
2094        if (context == null) {
2095            return;
2096        }
2097        try {
2098            if (chooser) {
2099                startActivityForResult(
2100                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2101                        attachmentChoice);
2102            } else {
2103                startActivityForResult(intent, attachmentChoice);
2104            }
2105        } catch (final ActivityNotFoundException e) {
2106            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2107        }
2108    }
2109
2110    @Override
2111    public void onResume() {
2112        super.onResume();
2113        binding.messagesView.post(this::fireReadEvent);
2114    }
2115
2116    private void fireReadEvent() {
2117        if (activity != null && this.conversation != null) {
2118            String uuid = getLastVisibleMessageUuid();
2119            if (uuid != null) {
2120                activity.onConversationRead(this.conversation, uuid);
2121            }
2122        }
2123    }
2124
2125    private String getLastVisibleMessageUuid() {
2126        if (binding == null) {
2127            return null;
2128        }
2129        synchronized (this.messageList) {
2130            int pos = binding.messagesView.getLastVisiblePosition();
2131            if (pos >= 0) {
2132                Message message = null;
2133                for (int i = pos; i >= 0; --i) {
2134                    try {
2135                        message = (Message) binding.messagesView.getItemAtPosition(i);
2136                    } catch (IndexOutOfBoundsException e) {
2137                        // should not happen if we synchronize properly. however if that fails we
2138                        // just gonna try item -1
2139                        continue;
2140                    }
2141                    if (message.getType() != Message.TYPE_STATUS) {
2142                        break;
2143                    }
2144                }
2145                if (message != null) {
2146                    return message.getUuid();
2147                }
2148            }
2149        }
2150        return null;
2151    }
2152
2153    private void openWith(final Message message) {
2154        if (message.isGeoUri()) {
2155            GeoHelper.view(getActivity(), message);
2156        } else {
2157            final DownloadableFile file =
2158                    activity.xmppConnectionService.getFileBackend().getFile(message);
2159            ViewUtil.view(activity, file);
2160        }
2161    }
2162
2163    private void addReaction(final Message message) {
2164        activity.addReaction(
2165                message,
2166                reactions -> {
2167                    if (activity.xmppConnectionService.sendReactions(message, reactions)) {
2168                        return;
2169                    }
2170                    Toast.makeText(activity, R.string.could_not_add_reaction, Toast.LENGTH_LONG)
2171                            .show();
2172                });
2173    }
2174
2175    private void reportMessage(final Message message) {
2176        BlockContactDialog.show(activity, conversation.getContact(), message.getServerMsgId());
2177    }
2178
2179    private void showErrorMessage(final Message message) {
2180        final MaterialAlertDialogBuilder builder =
2181                new MaterialAlertDialogBuilder(requireActivity());
2182        builder.setTitle(R.string.error_message);
2183        final String errorMessage = message.getErrorMessage();
2184        final String[] errorMessageParts =
2185                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2186        final String displayError;
2187        if (errorMessageParts.length == 2) {
2188            displayError = errorMessageParts[1];
2189        } else {
2190            displayError = errorMessage;
2191        }
2192        builder.setMessage(displayError);
2193        builder.setNegativeButton(
2194                R.string.copy_to_clipboard,
2195                (dialog, which) -> {
2196                    if (activity.copyTextToClipboard(displayError, R.string.error_message)
2197                            && Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
2198                        Toast.makeText(
2199                                        activity,
2200                                        R.string.error_message_copied_to_clipboard,
2201                                        Toast.LENGTH_SHORT)
2202                                .show();
2203                    }
2204                });
2205        builder.setPositiveButton(R.string.confirm, null);
2206        builder.create().show();
2207    }
2208
2209    private void deleteFile(final Message message) {
2210        final MaterialAlertDialogBuilder builder =
2211                new MaterialAlertDialogBuilder(requireActivity());
2212        builder.setNegativeButton(R.string.cancel, null);
2213        builder.setTitle(R.string.delete_file_dialog);
2214        builder.setMessage(R.string.delete_file_dialog_msg);
2215        builder.setPositiveButton(
2216                R.string.confirm,
2217                (dialog, which) -> {
2218                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2219                        message.setDeleted(true);
2220                        activity.xmppConnectionService.evictPreview(message.getUuid());
2221                        activity.xmppConnectionService.updateMessage(message, false);
2222                        activity.onConversationsListItemUpdated();
2223                        refresh();
2224                    }
2225                });
2226        builder.create().show();
2227    }
2228
2229    private void resendMessage(final Message message, final boolean forceP2P) {
2230        if (message.isFileOrImage()) {
2231            if (!(message.getConversation() instanceof Conversation conversation)) {
2232                return;
2233            }
2234            final DownloadableFile file =
2235                    activity.xmppConnectionService.getFileBackend().getFile(message);
2236            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2237                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2238                if (!message.hasFileOnRemoteHost()
2239                        && xmppConnection != null
2240                        && conversation.getMode() == Conversational.MODE_SINGLE
2241                        && (!xmppConnection
2242                                        .getManager(HttpUploadManager.class)
2243                                        .isAvailableForSize(message.getFileParams().getSize())
2244                                || forceP2P)) {
2245                    activity.selectPresence(
2246                            conversation,
2247                            () -> {
2248                                message.setCounterpart(conversation.getNextCounterpart());
2249                                activity.xmppConnectionService.resendFailedMessages(
2250                                        message, forceP2P);
2251                                new Handler()
2252                                        .post(
2253                                                () -> {
2254                                                    int size = messageList.size();
2255                                                    this.binding.messagesView.setSelection(
2256                                                            size - 1);
2257                                                });
2258                            });
2259                    return;
2260                }
2261            } else if (!Compatibility.hasStoragePermission(getActivity())) {
2262                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
2263                return;
2264            } else {
2265                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
2266                message.setDeleted(true);
2267                activity.xmppConnectionService.updateMessage(message, false);
2268                activity.onConversationsListItemUpdated();
2269                refresh();
2270                return;
2271            }
2272        }
2273        activity.xmppConnectionService.resendFailedMessages(message, false);
2274        new Handler()
2275                .post(
2276                        () -> {
2277                            int size = messageList.size();
2278                            this.binding.messagesView.setSelection(size - 1);
2279                        });
2280    }
2281
2282    private void cancelTransmission(Message message) {
2283        Transferable transferable = message.getTransferable();
2284        if (transferable != null) {
2285            transferable.cancel();
2286        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
2287            activity.xmppConnectionService.markMessage(
2288                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
2289        }
2290    }
2291
2292    private void retryDecryption(Message message) {
2293        message.setEncryption(Message.ENCRYPTION_PGP);
2294        activity.onConversationsListItemUpdated();
2295        refresh();
2296        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
2297    }
2298
2299    public void privateMessageWith(final Jid counterpart) {
2300        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2301            activity.xmppConnectionService.sendChatState(conversation);
2302        }
2303        this.binding.textinput.setText("");
2304        this.conversation.setNextCounterpart(counterpart);
2305        updateChatMsgHint();
2306        updateSendButton();
2307        updateEditablity();
2308    }
2309
2310    private void correctMessage(final Message message) {
2311        this.conversation.setCorrectingMessage(message);
2312        final Editable editable = binding.textinput.getText();
2313        this.conversation.setDraftMessage(editable.toString());
2314        this.binding.textinput.setText("");
2315        this.binding.textinput.append(message.getBody());
2316    }
2317
2318    private void highlightInConference(String nick) {
2319        final Editable editable = this.binding.textinput.getText();
2320        String oldString = editable.toString().trim();
2321        final int pos = this.binding.textinput.getSelectionStart();
2322        if (oldString.isEmpty() || pos == 0) {
2323            editable.insert(0, nick + ": ");
2324        } else {
2325            final char before = editable.charAt(pos - 1);
2326            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
2327            if (before == '\n') {
2328                editable.insert(pos, nick + ": ");
2329            } else {
2330                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
2331                    if (NickValidityChecker.check(
2332                            conversation,
2333                            Arrays.asList(
2334                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
2335                        editable.insert(pos - 2, ", " + nick);
2336                        return;
2337                    }
2338                }
2339                editable.insert(
2340                        pos,
2341                        (Character.isWhitespace(before) ? "" : " ")
2342                                + nick
2343                                + (Character.isWhitespace(after) ? "" : " "));
2344                if (Character.isWhitespace(after)) {
2345                    this.binding.textinput.setSelection(
2346                            this.binding.textinput.getSelectionStart() + 1);
2347                }
2348            }
2349        }
2350    }
2351
2352    @Override
2353    public void startActivityForResult(Intent intent, int requestCode) {
2354        final Activity activity = getActivity();
2355        if (activity instanceof ConversationsActivity) {
2356            ((ConversationsActivity) activity).clearPendingViewIntent();
2357        }
2358        super.startActivityForResult(intent, requestCode);
2359    }
2360
2361    @Override
2362    public void onSaveInstanceState(@NonNull Bundle outState) {
2363        super.onSaveInstanceState(outState);
2364        if (conversation != null) {
2365            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
2366            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
2367            final Uri uri = pendingTakePhotoUri.peek();
2368            if (uri != null) {
2369                outState.putString(STATE_PHOTO_URI, uri.toString());
2370            }
2371            final ScrollState scrollState = getScrollPosition();
2372            if (scrollState != null) {
2373                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
2374            }
2375            final ArrayList<Attachment> attachments =
2376                    mediaPreviewAdapter == null
2377                            ? new ArrayList<>()
2378                            : mediaPreviewAdapter.getAttachments();
2379            if (attachments.size() > 0) {
2380                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
2381            }
2382        }
2383    }
2384
2385    @Override
2386    public void onActivityCreated(Bundle savedInstanceState) {
2387        super.onActivityCreated(savedInstanceState);
2388        if (savedInstanceState == null) {
2389            return;
2390        }
2391        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
2392        ArrayList<Attachment> attachments =
2393                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
2394        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
2395        if (uuid != null) {
2396            QuickLoader.set(uuid);
2397            this.pendingConversationsUuid.push(uuid);
2398            if (attachments != null && attachments.size() > 0) {
2399                this.pendingMediaPreviews.push(attachments);
2400            }
2401            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
2402            if (takePhotoUri != null) {
2403                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
2404            }
2405            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
2406        }
2407    }
2408
2409    @Override
2410    public void onStart() {
2411        super.onStart();
2412        if (this.reInitRequiredOnStart && this.conversation != null) {
2413            final Bundle extras = pendingExtras.pop();
2414            reInit(this.conversation, extras != null);
2415            if (extras != null) {
2416                processExtras(extras);
2417            }
2418        } else if (conversation == null
2419                && activity != null
2420                && activity.xmppConnectionService != null) {
2421            final String uuid = pendingConversationsUuid.pop();
2422            Log.d(
2423                    Config.LOGTAG,
2424                    "ConversationFragment.onStart() - activity was bound but no conversation"
2425                            + " loaded. uuid="
2426                            + uuid);
2427            if (uuid != null) {
2428                findAndReInitByUuidOrArchive(uuid);
2429            }
2430        }
2431    }
2432
2433    @Override
2434    public void onStop() {
2435        super.onStop();
2436        final Activity activity = getActivity();
2437        messageListAdapter.unregisterListenerInAudioPlayer();
2438        if (activity == null || !activity.isChangingConfigurations()) {
2439            hideSoftKeyboard(activity);
2440            messageListAdapter.stopAudioPlayer();
2441        }
2442        if (this.conversation != null) {
2443            final String msg = this.binding.textinput.getText().toString();
2444            storeNextMessage(msg);
2445            updateChatState(this.conversation, msg);
2446            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
2447        }
2448        this.reInitRequiredOnStart = true;
2449    }
2450
2451    private void updateChatState(final Conversation conversation, final String msg) {
2452        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
2453        Account.State status = conversation.getAccount().getStatus();
2454        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
2455            activity.xmppConnectionService.sendChatState(conversation);
2456        }
2457    }
2458
2459    private void saveMessageDraftStopAudioPlayer() {
2460        final Conversation previousConversation = this.conversation;
2461        if (this.activity == null || this.binding == null || previousConversation == null) {
2462            return;
2463        }
2464        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
2465        final String msg = this.binding.textinput.getText().toString();
2466        storeNextMessage(msg);
2467        updateChatState(this.conversation, msg);
2468        messageListAdapter.stopAudioPlayer();
2469        mediaPreviewAdapter.clearPreviews();
2470        toggleInputMethod();
2471    }
2472
2473    public void reInit(final Conversation conversation, final Bundle extras) {
2474        QuickLoader.set(conversation.getUuid());
2475        final boolean changedConversation = this.conversation != conversation;
2476        if (changedConversation) {
2477            this.saveMessageDraftStopAudioPlayer();
2478        }
2479        this.clearPending();
2480        if (this.reInit(conversation, extras != null)) {
2481            if (extras != null) {
2482                processExtras(extras);
2483            }
2484            this.reInitRequiredOnStart = false;
2485        } else {
2486            this.reInitRequiredOnStart = true;
2487            pendingExtras.push(extras);
2488        }
2489        resetUnreadMessagesCount();
2490    }
2491
2492    private void reInit(Conversation conversation) {
2493        reInit(conversation, false);
2494    }
2495
2496    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
2497        if (conversation == null) {
2498            return false;
2499        }
2500        this.conversation = conversation;
2501        // once we set the conversation all is good and it will automatically do the right thing in
2502        // onStart()
2503        if (this.activity == null || this.binding == null) {
2504            return false;
2505        }
2506
2507        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2508            activity.onConversationArchived(this.conversation);
2509            return false;
2510        }
2511
2512        stopScrolling();
2513        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
2514
2515        if (this.conversation.isRead() && hasExtras) {
2516            Log.d(Config.LOGTAG, "trimming conversation");
2517            this.conversation.trim();
2518        }
2519
2520        setupIme();
2521
2522        final boolean scrolledToBottomAndNoPending =
2523                this.scrolledToBottom() && pendingScrollState.peek() == null;
2524
2525        this.binding.textSendButton.setContentDescription(
2526                activity.getString(R.string.send_message_to_x, conversation.getName()));
2527        this.binding.textinput.setKeyboardListener(null);
2528        final boolean participating =
2529                conversation.getMode() == Conversational.MODE_SINGLE
2530                        || conversation.getMucOptions().participating();
2531        if (participating) {
2532            this.binding.textinput.setText(this.conversation.getNextMessage());
2533            this.binding.textinput.setSelection(this.binding.textinput.length());
2534        } else {
2535            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
2536        }
2537        this.binding.textinput.setKeyboardListener(this);
2538        messageListAdapter.updatePreferences();
2539        refresh(false);
2540        activity.invalidateOptionsMenu();
2541        this.conversation.messagesLoaded.set(true);
2542        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
2543
2544        if (hasExtras || scrolledToBottomAndNoPending) {
2545            resetUnreadMessagesCount();
2546            synchronized (this.messageList) {
2547                Log.d(Config.LOGTAG, "jump to first unread message");
2548                final Message first = conversation.getFirstUnreadMessage();
2549                final int bottom = Math.max(0, this.messageList.size() - 1);
2550                final int pos;
2551                final boolean jumpToBottom;
2552                if (first == null) {
2553                    pos = bottom;
2554                    jumpToBottom = true;
2555                } else {
2556                    int i = getIndexOf(first.getUuid(), this.messageList);
2557                    pos = i < 0 ? bottom : i;
2558                    jumpToBottom = false;
2559                }
2560                setSelection(pos, jumpToBottom);
2561            }
2562        }
2563
2564        this.binding.messagesView.post(this::fireReadEvent);
2565        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
2566        // layout which might be unnecessary since we can *see* it
2567        activity.xmppConnectionService
2568                .getNotificationService()
2569                .setOpenConversation(this.conversation);
2570        return true;
2571    }
2572
2573    private void resetUnreadMessagesCount() {
2574        lastMessageUuid = null;
2575        hideUnreadMessagesCount();
2576    }
2577
2578    private void hideUnreadMessagesCount() {
2579        if (this.binding == null) {
2580            return;
2581        }
2582        this.binding.scrollToBottomButton.setEnabled(false);
2583        this.binding.scrollToBottomButton.hide();
2584        this.binding.unreadCountCustomView.setVisibility(View.GONE);
2585    }
2586
2587    private void setSelection(int pos, boolean jumpToBottom) {
2588        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
2589        this.binding.messagesView.post(
2590                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
2591        this.binding.messagesView.post(this::fireReadEvent);
2592    }
2593
2594    private boolean scrolledToBottom() {
2595        return this.binding != null && scrolledToBottom(this.binding.messagesView);
2596    }
2597
2598    private void processExtras(final Bundle extras) {
2599        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
2600        final String text = extras.getString(Intent.EXTRA_TEXT);
2601        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
2602        final String postInitAction =
2603                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
2604        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
2605        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
2606        final boolean doNotAppend =
2607                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
2608        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
2609        final List<Uri> uris = extractUris(extras);
2610        if (uris != null && uris.size() > 0) {
2611            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
2612                mediaPreviewAdapter.addMediaPreviews(
2613                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
2614            } else {
2615                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
2616                mediaPreviewAdapter.addMediaPreviews(
2617                        Attachment.of(getActivity(), cleanedUris, type));
2618            }
2619            toggleInputMethod();
2620            return;
2621        }
2622        if (nick != null) {
2623            if (pm) {
2624                Jid jid = conversation.getJid();
2625                try {
2626                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
2627                    privateMessageWith(next);
2628                } catch (final IllegalArgumentException ignored) {
2629                    // do nothing
2630                }
2631            } else {
2632                final MucOptions mucOptions = conversation.getMucOptions();
2633                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
2634                    highlightInConference(nick);
2635                }
2636            }
2637        } else {
2638            if (text != null && Patterns.URI_GEO.matcher(text).matches()) {
2639                mediaPreviewAdapter.addMediaPreviews(
2640                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
2641                toggleInputMethod();
2642                return;
2643            } else if (text != null && asQuote) {
2644                quoteText(text);
2645            } else {
2646                appendText(text, doNotAppend);
2647            }
2648        }
2649        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
2650            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
2651            return;
2652        }
2653        final Message message =
2654                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
2655        if (message != null) {
2656            startDownloadable(message);
2657        }
2658    }
2659
2660    private List<Uri> extractUris(final Bundle extras) {
2661        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
2662        if (uris != null) {
2663            return uris;
2664        }
2665        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
2666        if (uri != null) {
2667            return Collections.singletonList(uri);
2668        } else {
2669            return null;
2670        }
2671    }
2672
2673    private List<Uri> cleanUris(final List<Uri> uris) {
2674        final Iterator<Uri> iterator = uris.iterator();
2675        while (iterator.hasNext()) {
2676            final Uri uri = iterator.next();
2677            if (FileBackend.dangerousFile(uri)) {
2678                iterator.remove();
2679                Toast.makeText(
2680                                requireActivity(),
2681                                R.string.security_violation_not_attaching_file,
2682                                Toast.LENGTH_SHORT)
2683                        .show();
2684            }
2685        }
2686        return uris;
2687    }
2688
2689    private boolean showBlockSubmenu(View view) {
2690        final Jid jid = conversation.getJid();
2691        final boolean showReject =
2692                !conversation.isWithStranger()
2693                        && conversation
2694                                .getContact()
2695                                .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2696        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
2697        popupMenu.inflate(R.menu.block);
2698        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
2699        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
2700        popupMenu.setOnMenuItemClickListener(
2701                menuItem -> {
2702                    Blockable blockable;
2703                    switch (menuItem.getItemId()) {
2704                        case R.id.reject:
2705                            activity.xmppConnectionService.stopPresenceUpdatesTo(
2706                                    conversation.getContact());
2707                            updateSnackBar(conversation);
2708                            return true;
2709                        case R.id.block_domain:
2710                            blockable =
2711                                    conversation
2712                                            .getAccount()
2713                                            .getRoster()
2714                                            .getContact(jid.getDomain());
2715                            break;
2716                        default:
2717                            blockable = conversation;
2718                    }
2719                    BlockContactDialog.show(activity, blockable);
2720                    return true;
2721                });
2722        popupMenu.show();
2723        return true;
2724    }
2725
2726    private void updateSnackBar(final Conversation conversation) {
2727        final Account account = conversation.getAccount();
2728        final XmppConnection connection = account.getXmppConnection();
2729        final int mode = conversation.getMode();
2730        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
2731        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2732            return;
2733        }
2734        if (account.getStatus() == Account.State.DISABLED) {
2735            showSnackbar(
2736                    R.string.this_account_is_disabled,
2737                    R.string.enable,
2738                    this.mEnableAccountListener);
2739        } else if (account.getStatus() == Account.State.LOGGED_OUT) {
2740            showSnackbar(
2741                    R.string.this_account_is_logged_out,
2742                    R.string.log_in,
2743                    this.mEnableAccountListener);
2744        } else if (conversation.isBlocked()) {
2745            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
2746        } else if (contact != null
2747                && !contact.showInRoster()
2748                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2749            showSnackbar(
2750                    R.string.contact_added_you,
2751                    R.string.add_back,
2752                    this.mAddBackClickListener,
2753                    this.mLongPressBlockListener);
2754        } else if (contact != null
2755                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2756            showSnackbar(
2757                    R.string.contact_asks_for_presence_subscription,
2758                    R.string.allow,
2759                    this.mAllowPresenceSubscription,
2760                    this.mLongPressBlockListener);
2761        } else if (mode == Conversation.MODE_MULTI
2762                && !conversation.getMucOptions().online()
2763                && account.getStatus() == Account.State.ONLINE) {
2764            switch (conversation.getMucOptions().getError()) {
2765                case NICK_IN_USE:
2766                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
2767                    break;
2768                case NO_RESPONSE:
2769                    showSnackbar(R.string.joining_conference, 0, null);
2770                    break;
2771                case SERVER_NOT_FOUND:
2772                    if (conversation.receivedMessagesCount() > 0) {
2773                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
2774                    } else {
2775                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
2776                    }
2777                    break;
2778                case REMOTE_SERVER_TIMEOUT:
2779                    if (conversation.receivedMessagesCount() > 0) {
2780                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
2781                    } else {
2782                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
2783                    }
2784                    break;
2785                case PASSWORD_REQUIRED:
2786                    showSnackbar(
2787                            R.string.conference_requires_password,
2788                            R.string.enter_password,
2789                            enterPassword);
2790                    break;
2791                case BANNED:
2792                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
2793                    break;
2794                case MEMBERS_ONLY:
2795                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
2796                    break;
2797                case RESOURCE_CONSTRAINT:
2798                    showSnackbar(
2799                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
2800                    break;
2801                case KICKED:
2802                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
2803                    break;
2804                case TECHNICAL_PROBLEMS:
2805                    showSnackbar(
2806                            R.string.conference_technical_problems, R.string.try_again, joinMuc);
2807                    break;
2808                case UNKNOWN:
2809                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
2810                    break;
2811                case INVALID_NICK:
2812                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
2813                case SHUTDOWN:
2814                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
2815                    break;
2816                case DESTROYED:
2817                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
2818                    break;
2819                case NON_ANONYMOUS:
2820                    showSnackbar(
2821                            R.string.group_chat_will_make_your_jabber_id_public,
2822                            R.string.join,
2823                            acceptJoin);
2824                    break;
2825                default:
2826                    hideSnackbar();
2827                    break;
2828            }
2829        } else if (account.hasPendingPgpIntent(conversation)) {
2830            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
2831        } else if (connection != null
2832                && connection.getFeatures().blocking()
2833                && conversation.countMessages() != 0
2834                && !conversation.isBlocked()
2835                && conversation.isWithStranger()) {
2836            showSnackbar(
2837                    R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
2838        } else {
2839            hideSnackbar();
2840        }
2841    }
2842
2843    @Override
2844    public void refresh() {
2845        if (this.binding == null) {
2846            Log.d(
2847                    Config.LOGTAG,
2848                    "ConversationFragment.refresh() skipped updated because view binding was null");
2849            return;
2850        }
2851        if (this.conversation != null
2852                && this.activity != null
2853                && this.activity.xmppConnectionService != null) {
2854            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2855                activity.onConversationArchived(this.conversation);
2856                return;
2857            }
2858        }
2859        this.refresh(true);
2860    }
2861
2862    private void refresh(boolean notifyConversationRead) {
2863        synchronized (this.messageList) {
2864            if (this.conversation != null) {
2865                conversation.populateWithMessages(this.messageList);
2866                updateSnackBar(conversation);
2867                updateStatusMessages();
2868                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
2869                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
2870                    binding.unreadCountCustomView.setUnreadCount(
2871                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
2872                }
2873                this.messageListAdapter.notifyDataSetChanged();
2874                updateChatMsgHint();
2875                if (notifyConversationRead && activity != null) {
2876                    binding.messagesView.post(this::fireReadEvent);
2877                }
2878                updateSendButton();
2879                updateEditablity();
2880            }
2881        }
2882    }
2883
2884    protected void messageSent() {
2885        mSendingPgpMessage.set(false);
2886        this.binding.textinput.setText("");
2887        if (conversation.setCorrectingMessage(null)) {
2888            this.binding.textinput.append(conversation.getDraftMessage());
2889            conversation.setDraftMessage(null);
2890        }
2891        storeNextMessage();
2892        updateChatMsgHint();
2893        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2894        final boolean prefScrollToBottom =
2895                p.getBoolean(
2896                        "scroll_to_bottom",
2897                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
2898        if (prefScrollToBottom || scrolledToBottom()) {
2899            new Handler()
2900                    .post(
2901                            () -> {
2902                                int size = messageList.size();
2903                                this.binding.messagesView.setSelection(size - 1);
2904                            });
2905        }
2906    }
2907
2908    private boolean storeNextMessage() {
2909        return storeNextMessage(this.binding.textinput.getText().toString());
2910    }
2911
2912    private boolean storeNextMessage(String msg) {
2913        final boolean participating =
2914                conversation.getMode() == Conversational.MODE_SINGLE
2915                        || conversation.getMucOptions().participating();
2916        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
2917                && participating
2918                && this.conversation.setNextMessage(msg)) {
2919            this.activity.xmppConnectionService.updateConversation(this.conversation);
2920            return true;
2921        }
2922        return false;
2923    }
2924
2925    public void doneSendingPgpMessage() {
2926        mSendingPgpMessage.set(false);
2927    }
2928
2929    public Long getMaxHttpUploadSize(final Conversation conversation) {
2930
2931        final var connection = conversation.getAccount().getXmppConnection();
2932        final var httpUploadService = connection.getManager(HttpUploadManager.class).getService();
2933        if (httpUploadService == null) {
2934            return -1L;
2935        }
2936        return httpUploadService.getMaxFileSize();
2937    }
2938
2939    private void updateEditablity() {
2940        boolean canWrite =
2941                this.conversation.getMode() == Conversation.MODE_SINGLE
2942                        || this.conversation.getMucOptions().participating()
2943                        || this.conversation.getNextCounterpart() != null;
2944        this.binding.textinput.setFocusable(canWrite);
2945        this.binding.textinput.setFocusableInTouchMode(canWrite);
2946        this.binding.textSendButton.setEnabled(canWrite);
2947        this.binding.textinput.setCursorVisible(canWrite);
2948        this.binding.textinput.setEnabled(canWrite);
2949    }
2950
2951    public void updateSendButton() {
2952        boolean hasAttachments =
2953                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
2954        final Conversation c = this.conversation;
2955        final Presence.Availability status;
2956        final String text =
2957                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
2958        final SendButtonAction action;
2959        if (hasAttachments) {
2960            action = SendButtonAction.TEXT;
2961        } else {
2962            action = SendButtonTool.getAction(getActivity(), c, text);
2963        }
2964        if (c.getAccount().getStatus() == Account.State.ONLINE) {
2965            if (activity != null
2966                    && activity.xmppConnectionService != null
2967                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
2968                status = Presence.Availability.OFFLINE;
2969            } else if (c.getMode() == Conversation.MODE_SINGLE) {
2970                status = c.getContact().getShownStatus();
2971            } else {
2972                status =
2973                        c.getMucOptions().online()
2974                                ? Presence.Availability.ONLINE
2975                                : Presence.Availability.OFFLINE;
2976            }
2977        } else {
2978            status = Presence.Availability.OFFLINE;
2979        }
2980        this.binding.textSendButton.setTag(action);
2981        this.binding.textSendButton.setIconResource(
2982                SendButtonTool.getSendButtonImageResource(action));
2983        this.binding.textSendButton.setIconTint(
2984                ColorStateList.valueOf(
2985                        SendButtonTool.getSendButtonColor(this.binding.textSendButton, status)));
2986        // TODO send button color
2987        final Activity activity = getActivity();
2988        if (activity != null) {}
2989    }
2990
2991    protected void updateStatusMessages() {
2992        DateSeparator.addAll(this.messageList);
2993        if (showLoadMoreMessages(conversation)) {
2994            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
2995        }
2996        if (conversation.getMode() == Conversation.MODE_SINGLE) {
2997            ChatState state = conversation.getIncomingChatState();
2998            if (state == ChatState.COMPOSING) {
2999                this.messageList.add(
3000                        Message.createStatusMessage(
3001                                conversation,
3002                                getString(R.string.contact_is_typing, conversation.getName())));
3003            } else if (state == ChatState.PAUSED) {
3004                this.messageList.add(
3005                        Message.createStatusMessage(
3006                                conversation,
3007                                getString(
3008                                        R.string.contact_has_stopped_typing,
3009                                        conversation.getName())));
3010            } else {
3011                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3012                    final Message message = this.messageList.get(i);
3013                    if (message.getType() != Message.TYPE_STATUS) {
3014                        if (message.getStatus() == Message.STATUS_RECEIVED) {
3015                            return;
3016                        } else {
3017                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
3018                                this.messageList.add(
3019                                        i + 1,
3020                                        Message.createStatusMessage(
3021                                                conversation,
3022                                                getString(
3023                                                        R.string.contact_has_read_up_to_this_point,
3024                                                        conversation.getName())));
3025                                return;
3026                            }
3027                        }
3028                    }
3029                }
3030            }
3031        } else {
3032            final MucOptions mucOptions = conversation.getMucOptions();
3033            final List<MucOptions.User> allUsers = mucOptions.getUsers();
3034            final Set<ReadByMarker> addedMarkers = new HashSet<>();
3035            ChatState state = ChatState.COMPOSING;
3036            List<MucOptions.User> users =
3037                    conversation.getMucOptions().getUsersWithChatState(state, 5);
3038            if (users.size() == 0) {
3039                state = ChatState.PAUSED;
3040                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
3041            }
3042            if (mucOptions.isPrivateAndNonAnonymous()) {
3043                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3044                    final Set<ReadByMarker> markersForMessage =
3045                            messageList.get(i).getReadByMarkers();
3046                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
3047                    for (ReadByMarker marker : markersForMessage) {
3048                        if (!ReadByMarker.contains(marker, addedMarkers)) {
3049                            addedMarkers.add(
3050                                    marker); // may be put outside this condition. set should do
3051                            // dedup anyway
3052                            MucOptions.User user = mucOptions.findUser(marker);
3053                            if (user != null && !users.contains(user)) {
3054                                shownMarkers.add(user);
3055                            }
3056                        }
3057                    }
3058                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
3059                    final Message statusMessage;
3060                    final int size = shownMarkers.size();
3061                    if (size > 1) {
3062                        final String body;
3063                        if (size <= 4) {
3064                            body =
3065                                    getString(
3066                                            R.string.contacts_have_read_up_to_this_point,
3067                                            UIHelper.concatNames(shownMarkers));
3068                        } else if (ReadByMarker.allUsersRepresented(
3069                                allUsers, markersForMessage, markerForSender)) {
3070                            body = getString(R.string.everyone_has_read_up_to_this_point);
3071                        } else {
3072                            body =
3073                                    getString(
3074                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
3075                                            UIHelper.concatNames(shownMarkers, 3),
3076                                            size - 3);
3077                        }
3078                        statusMessage = Message.createStatusMessage(conversation, body);
3079                        statusMessage.setCounterparts(shownMarkers);
3080                    } else if (size == 1) {
3081                        statusMessage =
3082                                Message.createStatusMessage(
3083                                        conversation,
3084                                        getString(
3085                                                R.string.contact_has_read_up_to_this_point,
3086                                                UIHelper.getDisplayName(shownMarkers.get(0))));
3087                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
3088                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
3089                    } else {
3090                        statusMessage = null;
3091                    }
3092                    if (statusMessage != null) {
3093                        this.messageList.add(i + 1, statusMessage);
3094                    }
3095                    addedMarkers.add(markerForSender);
3096                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
3097                        break;
3098                    }
3099                }
3100            }
3101            if (users.size() > 0) {
3102                Message statusMessage;
3103                if (users.size() == 1) {
3104                    MucOptions.User user = users.get(0);
3105                    int id =
3106                            state == ChatState.COMPOSING
3107                                    ? R.string.contact_is_typing
3108                                    : R.string.contact_has_stopped_typing;
3109                    statusMessage =
3110                            Message.createStatusMessage(
3111                                    conversation, getString(id, UIHelper.getDisplayName(user)));
3112                    statusMessage.setTrueCounterpart(user.getRealJid());
3113                    statusMessage.setCounterpart(user.getFullJid());
3114                } else {
3115                    int id =
3116                            state == ChatState.COMPOSING
3117                                    ? R.string.contacts_are_typing
3118                                    : R.string.contacts_have_stopped_typing;
3119                    statusMessage =
3120                            Message.createStatusMessage(
3121                                    conversation, getString(id, UIHelper.concatNames(users)));
3122                    statusMessage.setCounterparts(users);
3123                }
3124                this.messageList.add(statusMessage);
3125            }
3126        }
3127    }
3128
3129    private void stopScrolling() {
3130        long now = SystemClock.uptimeMillis();
3131        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
3132        binding.messagesView.dispatchTouchEvent(cancel);
3133    }
3134
3135    private boolean showLoadMoreMessages(final Conversation c) {
3136        if (activity == null || activity.xmppConnectionService == null) {
3137            return false;
3138        }
3139        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
3140        final MessageArchiveService service =
3141                activity.xmppConnectionService.getMessageArchiveService();
3142        return mam
3143                && (c.getLastClearHistory().getTimestamp() != 0
3144                        || (c.countMessages() == 0
3145                                && c.messagesLoaded.get()
3146                                && c.hasMessagesLeftOnServer()
3147                                && !service.queryInProgress(c)));
3148    }
3149
3150    private boolean hasMamSupport(final Conversation c) {
3151        if (c.getMode() == Conversation.MODE_SINGLE) {
3152            final XmppConnection connection = c.getAccount().getXmppConnection();
3153            return connection != null && connection.getFeatures().mam();
3154        } else {
3155            return c.getMucOptions().mamSupport();
3156        }
3157    }
3158
3159    protected void showSnackbar(
3160            final int message, final int action, final OnClickListener clickListener) {
3161        showSnackbar(message, action, clickListener, null);
3162    }
3163
3164    protected void showSnackbar(
3165            final int message,
3166            final int action,
3167            final OnClickListener clickListener,
3168            final View.OnLongClickListener longClickListener) {
3169        this.binding.snackbar.setVisibility(View.VISIBLE);
3170        this.binding.snackbar.setOnClickListener(null);
3171        this.binding.snackbarMessage.setText(message);
3172        this.binding.snackbarMessage.setOnClickListener(null);
3173        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
3174        if (action != 0) {
3175            this.binding.snackbarAction.setText(action);
3176        }
3177        this.binding.snackbarAction.setOnClickListener(clickListener);
3178        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
3179    }
3180
3181    protected void hideSnackbar() {
3182        this.binding.snackbar.setVisibility(View.GONE);
3183    }
3184
3185    protected void sendMessage(Message message) {
3186        activity.xmppConnectionService.sendMessage(message);
3187        messageSent();
3188    }
3189
3190    protected void sendPgpMessage(final Message message) {
3191        final XmppConnectionService xmppService = activity.xmppConnectionService;
3192        final Contact contact = message.getConversation().getContact();
3193        if (!activity.hasPgp()) {
3194            activity.showInstallPgpDialog();
3195            return;
3196        }
3197        if (conversation.getAccount().getPgpSignature() == null) {
3198            activity.announcePgp(
3199                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
3200            return;
3201        }
3202        if (!mSendingPgpMessage.compareAndSet(false, true)) {
3203            Log.d(Config.LOGTAG, "sending pgp message already in progress");
3204        }
3205        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3206            if (contact.getPgpKeyId() != 0) {
3207                xmppService
3208                        .getPgpEngine()
3209                        .hasKey(
3210                                contact,
3211                                new UiCallback<Contact>() {
3212
3213                                    @Override
3214                                    public void userInputRequired(
3215                                            PendingIntent pi, Contact contact) {
3216                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
3217                                    }
3218
3219                                    @Override
3220                                    public void success(Contact contact) {
3221                                        encryptTextMessage(message);
3222                                    }
3223
3224                                    @Override
3225                                    public void error(int error, Contact contact) {
3226                                        activity.runOnUiThread(
3227                                                () ->
3228                                                        Toast.makeText(
3229                                                                        activity,
3230                                                                        R.string
3231                                                                                .unable_to_connect_to_keychain,
3232                                                                        Toast.LENGTH_SHORT)
3233                                                                .show());
3234                                        mSendingPgpMessage.set(false);
3235                                    }
3236                                });
3237
3238            } else {
3239                showNoPGPKeyDialog(
3240                        false,
3241                        (dialog, which) -> {
3242                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3243                            xmppService.updateConversation(conversation);
3244                            message.setEncryption(Message.ENCRYPTION_NONE);
3245                            xmppService.sendMessage(message);
3246                            messageSent();
3247                        });
3248            }
3249        } else {
3250            if (conversation.getMucOptions().pgpKeysInUse()) {
3251                if (!conversation.getMucOptions().everybodyHasKeys()) {
3252                    Toast warning =
3253                            Toast.makeText(
3254                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
3255                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
3256                    warning.show();
3257                }
3258                encryptTextMessage(message);
3259            } else {
3260                showNoPGPKeyDialog(
3261                        true,
3262                        (dialog, which) -> {
3263                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3264                            message.setEncryption(Message.ENCRYPTION_NONE);
3265                            xmppService.updateConversation(conversation);
3266                            xmppService.sendMessage(message);
3267                            messageSent();
3268                        });
3269            }
3270        }
3271    }
3272
3273    public void encryptTextMessage(Message message) {
3274        activity.xmppConnectionService
3275                .getPgpEngine()
3276                .encrypt(
3277                        message,
3278                        new UiCallback<Message>() {
3279
3280                            @Override
3281                            public void userInputRequired(PendingIntent pi, Message message) {
3282                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
3283                            }
3284
3285                            @Override
3286                            public void success(Message message) {
3287                                // TODO the following two call can be made before the callback
3288                                getActivity().runOnUiThread(() -> messageSent());
3289                            }
3290
3291                            @Override
3292                            public void error(final int error, Message message) {
3293                                getActivity()
3294                                        .runOnUiThread(
3295                                                () -> {
3296                                                    doneSendingPgpMessage();
3297                                                    Toast.makeText(
3298                                                                    getActivity(),
3299                                                                    error == 0
3300                                                                            ? R.string
3301                                                                                    .unable_to_connect_to_keychain
3302                                                                            : error,
3303                                                                    Toast.LENGTH_SHORT)
3304                                                            .show();
3305                                                });
3306                            }
3307                        });
3308    }
3309
3310    public void showNoPGPKeyDialog(
3311            final boolean plural, final DialogInterface.OnClickListener listener) {
3312        final MaterialAlertDialogBuilder builder =
3313                new MaterialAlertDialogBuilder(requireActivity());
3314        if (plural) {
3315            builder.setTitle(getString(R.string.no_pgp_keys));
3316            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
3317        } else {
3318            builder.setTitle(getString(R.string.no_pgp_key));
3319            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
3320        }
3321        builder.setNegativeButton(getString(R.string.cancel), null);
3322        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
3323        builder.create().show();
3324    }
3325
3326    public void appendText(String text, final boolean doNotAppend) {
3327        if (text == null) {
3328            return;
3329        }
3330        final Editable editable = this.binding.textinput.getText();
3331        String previous = editable == null ? "" : editable.toString();
3332        if (doNotAppend && !TextUtils.isEmpty(previous)) {
3333            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
3334                    .show();
3335            return;
3336        }
3337        if (UIHelper.isLastLineQuote(previous)) {
3338            text = '\n' + text;
3339        } else if (previous.length() != 0
3340                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
3341            text = " " + text;
3342        }
3343        this.binding.textinput.append(text);
3344    }
3345
3346    @Override
3347    public boolean onEnterPressed(final boolean isCtrlPressed) {
3348        if (isCtrlPressed || enterIsSend()) {
3349            sendMessage();
3350            return true;
3351        }
3352        return false;
3353    }
3354
3355    private boolean enterIsSend() {
3356        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
3357        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
3358    }
3359
3360    public boolean onArrowUpCtrlPressed() {
3361        final Message lastEditableMessage =
3362                conversation == null ? null : conversation.getLastEditableMessage();
3363        if (lastEditableMessage != null) {
3364            correctMessage(lastEditableMessage);
3365            return true;
3366        } else {
3367            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
3368                    .show();
3369            return false;
3370        }
3371    }
3372
3373    @Override
3374    public void onTypingStarted() {
3375        final XmppConnectionService service =
3376                activity == null ? null : activity.xmppConnectionService;
3377        if (service == null) {
3378            return;
3379        }
3380        final Account.State status = conversation.getAccount().getStatus();
3381        if (status == Account.State.ONLINE
3382                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
3383            service.sendChatState(conversation);
3384        }
3385        runOnUiThread(this::updateSendButton);
3386    }
3387
3388    @Override
3389    public void onTypingStopped() {
3390        final XmppConnectionService service =
3391                activity == null ? null : activity.xmppConnectionService;
3392        if (service == null) {
3393            return;
3394        }
3395        final Account.State status = conversation.getAccount().getStatus();
3396        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
3397            service.sendChatState(conversation);
3398        }
3399    }
3400
3401    @Override
3402    public void onTextDeleted() {
3403        final XmppConnectionService service =
3404                activity == null ? null : activity.xmppConnectionService;
3405        if (service == null) {
3406            return;
3407        }
3408        final Account.State status = conversation.getAccount().getStatus();
3409        if (status == Account.State.ONLINE
3410                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3411            service.sendChatState(conversation);
3412        }
3413        if (storeNextMessage()) {
3414            runOnUiThread(
3415                    () -> {
3416                        if (activity == null) {
3417                            return;
3418                        }
3419                        activity.onConversationsListItemUpdated();
3420                    });
3421        }
3422        runOnUiThread(this::updateSendButton);
3423    }
3424
3425    @Override
3426    public void onTextChanged() {
3427        if (conversation != null && conversation.getCorrectingMessage() != null) {
3428            runOnUiThread(this::updateSendButton);
3429        }
3430    }
3431
3432    @Override
3433    public boolean onTabPressed(boolean repeated) {
3434        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
3435            return false;
3436        }
3437        if (repeated) {
3438            completionIndex++;
3439        } else {
3440            lastCompletionLength = 0;
3441            completionIndex = 0;
3442            final String content = this.binding.textinput.getText().toString();
3443            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
3444            int start =
3445                    lastCompletionCursor > 0
3446                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
3447                            : 0;
3448            firstWord = start == 0;
3449            incomplete = content.substring(start, lastCompletionCursor);
3450        }
3451        List<String> completions = new ArrayList<>();
3452        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
3453            String name = user.getName();
3454            if (name != null && name.startsWith(incomplete)) {
3455                completions.add(name + (firstWord ? ": " : " "));
3456            }
3457        }
3458        Collections.sort(completions);
3459        if (completions.size() > completionIndex) {
3460            String completion = completions.get(completionIndex).substring(incomplete.length());
3461            this.binding
3462                    .textinput
3463                    .getEditableText()
3464                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
3465            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
3466            lastCompletionLength = completion.length();
3467        } else {
3468            completionIndex = -1;
3469            this.binding
3470                    .textinput
3471                    .getEditableText()
3472                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
3473            lastCompletionLength = 0;
3474        }
3475        return true;
3476    }
3477
3478    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
3479        try {
3480            getActivity()
3481                    .startIntentSenderForResult(
3482                            pendingIntent.getIntentSender(),
3483                            requestCode,
3484                            null,
3485                            0,
3486                            0,
3487                            0,
3488                            Compatibility.pgpStartIntentSenderOptions());
3489        } catch (final SendIntentException ignored) {
3490        }
3491    }
3492
3493    @Override
3494    public void onBackendConnected() {
3495        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
3496        String uuid = pendingConversationsUuid.pop();
3497        if (uuid != null) {
3498            if (!findAndReInitByUuidOrArchive(uuid)) {
3499                return;
3500            }
3501        } else {
3502            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
3503                clearPending();
3504                activity.onConversationArchived(conversation);
3505                return;
3506            }
3507        }
3508        ActivityResult activityResult = postponedActivityResult.pop();
3509        if (activityResult != null) {
3510            handleActivityResult(activityResult);
3511        }
3512        clearPending();
3513    }
3514
3515    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
3516        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
3517        if (conversation == null) {
3518            clearPending();
3519            activity.onConversationArchived(null);
3520            return false;
3521        }
3522        reInit(conversation);
3523        ScrollState scrollState = pendingScrollState.pop();
3524        String lastMessageUuid = pendingLastMessageUuid.pop();
3525        List<Attachment> attachments = pendingMediaPreviews.pop();
3526        if (scrollState != null) {
3527            setScrollPosition(scrollState, lastMessageUuid);
3528        }
3529        if (attachments != null && attachments.size() > 0) {
3530            Log.d(Config.LOGTAG, "had attachments on restore");
3531            mediaPreviewAdapter.addMediaPreviews(attachments);
3532            toggleInputMethod();
3533        }
3534        return true;
3535    }
3536
3537    private void clearPending() {
3538        if (postponedActivityResult.clear()) {
3539            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
3540            if (pendingTakePhotoUri.clear()) {
3541                Log.e(Config.LOGTAG, "cleared pending photo uri");
3542            }
3543        }
3544        if (pendingScrollState.clear()) {
3545            Log.e(Config.LOGTAG, "cleared scroll state");
3546        }
3547        if (pendingConversationsUuid.clear()) {
3548            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
3549        }
3550        if (pendingMediaPreviews.clear()) {
3551            Log.e(Config.LOGTAG, "cleared pending media previews");
3552        }
3553    }
3554
3555    public Conversation getConversation() {
3556        return conversation;
3557    }
3558
3559    @Override
3560    public void onContactPictureLongClicked(View v, final Message message) {
3561        final String fingerprint;
3562        if (message.getEncryption() == Message.ENCRYPTION_PGP
3563                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
3564            fingerprint = "pgp";
3565        } else {
3566            fingerprint = message.getFingerprint();
3567        }
3568        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
3569        final Contact contact = message.getContact();
3570        if (message.getStatus() <= Message.STATUS_RECEIVED
3571                && (contact == null || !contact.isSelf())) {
3572            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
3573                final Jid cp = message.getCounterpart();
3574                if (cp == null || cp.isBareJid()) {
3575                    return;
3576                }
3577                final Jid tcp = message.getTrueCounterpart();
3578                final User userByRealJid =
3579                        tcp != null
3580                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp)
3581                                : null;
3582                final User user =
3583                        userByRealJid != null
3584                                ? userByRealJid
3585                                : conversation.getMucOptions().findUserByFullJid(cp);
3586                popupMenu.inflate(R.menu.muc_details_context);
3587                final Menu menu = popupMenu.getMenu();
3588                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
3589                        activity, menu, conversation, user);
3590                popupMenu.setOnMenuItemClickListener(
3591                        menuItem ->
3592                                MucDetailsContextMenuHelper.onContextItemSelected(
3593                                        menuItem, user, activity, fingerprint));
3594            } else {
3595                popupMenu.inflate(R.menu.one_on_one_context);
3596                popupMenu.setOnMenuItemClickListener(
3597                        item -> {
3598                            switch (item.getItemId()) {
3599                                case R.id.action_contact_details:
3600                                    activity.switchToContactDetails(
3601                                            message.getContact(), fingerprint);
3602                                    break;
3603                                case R.id.action_show_qr_code:
3604                                    activity.showQrCode(
3605                                            "xmpp:"
3606                                                    + message.getContact()
3607                                                            .getJid()
3608                                                            .asBareJid()
3609                                                            .toString());
3610                                    break;
3611                            }
3612                            return true;
3613                        });
3614            }
3615        } else {
3616            popupMenu.inflate(R.menu.account_context);
3617            final Menu menu = popupMenu.getMenu();
3618            menu.findItem(R.id.action_manage_accounts)
3619                    .setVisible(QuickConversationsService.isConversations());
3620            popupMenu.setOnMenuItemClickListener(
3621                    item -> {
3622                        final XmppActivity activity = this.activity;
3623                        if (activity == null) {
3624                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
3625                            return true;
3626                        }
3627                        switch (item.getItemId()) {
3628                            case R.id.action_show_qr_code:
3629                                activity.showQrCode(conversation.getAccount().getShareableUri());
3630                                break;
3631                            case R.id.action_account_details:
3632                                activity.switchToAccount(
3633                                        message.getConversation().getAccount(), fingerprint);
3634                                break;
3635                            case R.id.action_manage_accounts:
3636                                AccountUtils.launchManageAccounts(activity);
3637                                break;
3638                        }
3639                        return true;
3640                    });
3641        }
3642        popupMenu.show();
3643    }
3644
3645    @Override
3646    public void onContactPictureClicked(Message message) {
3647        String fingerprint;
3648        if (message.getEncryption() == Message.ENCRYPTION_PGP
3649                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
3650            fingerprint = "pgp";
3651        } else {
3652            fingerprint = message.getFingerprint();
3653        }
3654        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
3655        if (received) {
3656            if (message.getConversation() instanceof Conversation
3657                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
3658                Jid tcp = message.getTrueCounterpart();
3659                Jid user = message.getCounterpart();
3660                if (user != null && !user.isBareJid()) {
3661                    final MucOptions mucOptions =
3662                            ((Conversation) message.getConversation()).getMucOptions();
3663                    if (mucOptions.participating()
3664                            || ((Conversation) message.getConversation()).getNextCounterpart()
3665                                    != null) {
3666                        if (!mucOptions.isUserInRoom(user)
3667                                && mucOptions.findUserByRealJid(
3668                                                tcp == null ? null : tcp.asBareJid())
3669                                        == null) {
3670                            Toast.makeText(
3671                                            getActivity(),
3672                                            activity.getString(
3673                                                    R.string.user_has_left_conference,
3674                                                    user.getResource()),
3675                                            Toast.LENGTH_SHORT)
3676                                    .show();
3677                        }
3678                        highlightInConference(user.getResource());
3679                    } else {
3680                        Toast.makeText(
3681                                        getActivity(),
3682                                        R.string.you_are_not_participating,
3683                                        Toast.LENGTH_SHORT)
3684                                .show();
3685                    }
3686                }
3687                return;
3688            } else {
3689                if (!message.getContact().isSelf()) {
3690                    activity.switchToContactDetails(message.getContact(), fingerprint);
3691                    return;
3692                }
3693            }
3694        }
3695        activity.switchToAccount(message.getConversation().getAccount(), fingerprint);
3696    }
3697
3698    private Activity requireActivity() {
3699        final Activity activity = getActivity();
3700        if (activity == null) {
3701            throw new IllegalStateException("Activity not attached");
3702        }
3703        return activity;
3704    }
3705}