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