ConversationFragment.java

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