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            setThread(null);
 611            refresh();
 612            updateThreadFromLastMessage();
 613        }
 614    };
 615    private int completionIndex = 0;
 616    private int lastCompletionLength = 0;
 617    private String incomplete;
 618    private int lastCompletionCursor;
 619    private boolean firstWord = false;
 620    private Message mPendingDownloadableMessage;
 621
 622    private static ConversationFragment findConversationFragment(Activity activity) {
 623        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 624        if (fragment instanceof ConversationFragment) {
 625            return (ConversationFragment) fragment;
 626        }
 627        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 628        if (fragment instanceof ConversationFragment) {
 629            return (ConversationFragment) fragment;
 630        }
 631        return null;
 632    }
 633
 634    public static void startStopPending(Activity activity) {
 635        ConversationFragment fragment = findConversationFragment(activity);
 636        if (fragment != null) {
 637            fragment.messageListAdapter.startStopPending();
 638        }
 639    }
 640
 641    public static void downloadFile(Activity activity, Message message) {
 642        ConversationFragment fragment = findConversationFragment(activity);
 643        if (fragment != null) {
 644            fragment.startDownloadable(message);
 645        }
 646    }
 647
 648    public static void registerPendingMessage(Activity activity, Message message) {
 649        ConversationFragment fragment = findConversationFragment(activity);
 650        if (fragment != null) {
 651            fragment.pendingMessage.push(message);
 652        }
 653    }
 654
 655    public static void openPendingMessage(Activity activity) {
 656        ConversationFragment fragment = findConversationFragment(activity);
 657        if (fragment != null) {
 658            Message message = fragment.pendingMessage.pop();
 659            if (message != null) {
 660                fragment.messageListAdapter.openDownloadable(message);
 661            }
 662        }
 663    }
 664
 665    public static Conversation getConversation(Activity activity) {
 666        return getConversation(activity, R.id.secondary_fragment);
 667    }
 668
 669    private static Conversation getConversation(Activity activity, @IdRes int res) {
 670        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 671        if (fragment instanceof ConversationFragment) {
 672            return ((ConversationFragment) fragment).getConversation();
 673        } else {
 674            return null;
 675        }
 676    }
 677
 678    public static ConversationFragment get(Activity activity) {
 679        FragmentManager fragmentManager = activity.getFragmentManager();
 680        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 681        if (fragment instanceof ConversationFragment) {
 682            return (ConversationFragment) fragment;
 683        } else {
 684            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 685            return fragment instanceof ConversationFragment
 686                    ? (ConversationFragment) fragment
 687                    : null;
 688        }
 689    }
 690
 691    public static Conversation getConversationReliable(Activity activity) {
 692        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 693        if (conversation != null) {
 694            return conversation;
 695        }
 696        return getConversation(activity, R.id.main_fragment);
 697    }
 698
 699    private static boolean scrolledToBottom(AbsListView listView) {
 700        final int count = listView.getCount();
 701        if (count == 0) {
 702            return true;
 703        } else if (listView.getLastVisiblePosition() == count - 1) {
 704            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 705            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 706        } else {
 707            return false;
 708        }
 709    }
 710
 711    private void toggleScrollDownButton() {
 712        toggleScrollDownButton(binding.messagesView);
 713    }
 714
 715    private void toggleScrollDownButton(AbsListView listView) {
 716        if (conversation == null) {
 717            return;
 718        }
 719        if (scrolledToBottom(listView)) {
 720            lastMessageUuid = null;
 721            hideUnreadMessagesCount();
 722        } else {
 723            binding.scrollToBottomButton.setEnabled(true);
 724            binding.scrollToBottomButton.show();
 725            if (lastMessageUuid == null) {
 726                lastMessageUuid = conversation.getLatestMessage().getUuid();
 727            }
 728            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 729                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 730            }
 731        }
 732    }
 733
 734    private int getIndexOf(String uuid, List<Message> messages) {
 735        if (uuid == null) {
 736            return messages.size() - 1;
 737        }
 738        for (int i = 0; i < messages.size(); ++i) {
 739            if (uuid.equals(messages.get(i).getUuid())) {
 740                return i;
 741            } else {
 742                Message next = messages.get(i);
 743                while (next != null && next.wasMergedIntoPrevious()) {
 744                    if (uuid.equals(next.getUuid())) {
 745                        return i;
 746                    }
 747                    next = next.next();
 748                }
 749            }
 750        }
 751        return -1;
 752    }
 753
 754    private ScrollState getScrollPosition() {
 755        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 756        if (listView == null
 757                || listView.getCount() == 0
 758                || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 759            return null;
 760        } else {
 761            final int pos = listView.getFirstVisiblePosition();
 762            final View view = listView.getChildAt(0);
 763            if (view == null) {
 764                return null;
 765            } else {
 766                return new ScrollState(pos, view.getTop());
 767            }
 768        }
 769    }
 770
 771    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 772        if (scrollPosition != null) {
 773
 774            this.lastMessageUuid = lastMessageUuid;
 775            if (lastMessageUuid != null) {
 776                binding.unreadCountCustomView.setUnreadCount(
 777                        conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 778            }
 779            // TODO maybe this needs a 'post'
 780            this.binding.messagesView.setSelectionFromTop(
 781                    scrollPosition.position, scrollPosition.offset);
 782            toggleScrollDownButton();
 783        }
 784    }
 785
 786    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 787        if (conversation == null) {
 788            return;
 789        }
 790        activity.xmppConnectionService.attachLocationToConversation(
 791                conversation,
 792                uri,
 793                new UiCallback<Message>() {
 794
 795                    @Override
 796                    public void success(Message message) {}
 797
 798                    @Override
 799                    public void error(int errorCode, Message object) {
 800                        // TODO show possible pgp error
 801                    }
 802
 803                    @Override
 804                    public void userInputRequired(PendingIntent pi, Message object) {}
 805                });
 806    }
 807
 808    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 809        if (conversation == null) {
 810            return;
 811        }
 812        if (type == "application/xdc+zip") newSubThread();
 813        final Toast prepareFileToast =
 814                Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 815        prepareFileToast.show();
 816        activity.delegateUriPermissionsToService(uri);
 817        activity.xmppConnectionService.attachFileToConversation(
 818                conversation,
 819                uri,
 820                type,
 821                new UiInformableCallback<Message>() {
 822                    @Override
 823                    public void inform(final String text) {
 824                        hidePrepareFileToast(prepareFileToast);
 825                        runOnUiThread(() -> activity.replaceToast(text));
 826                    }
 827
 828                    @Override
 829                    public void success(Message message) {
 830                        runOnUiThread(() -> {
 831                            activity.hideToast();
 832                            setupReply(null);
 833                        });
 834                        hidePrepareFileToast(prepareFileToast);
 835                    }
 836
 837                    @Override
 838                    public void error(final int errorCode, Message message) {
 839                        hidePrepareFileToast(prepareFileToast);
 840                        runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 841                    }
 842
 843                    @Override
 844                    public void userInputRequired(PendingIntent pi, Message message) {
 845                        hidePrepareFileToast(prepareFileToast);
 846                    }
 847                });
 848    }
 849
 850    public void attachEditorContentToConversation(Uri uri) {
 851        mediaPreviewAdapter.addMediaPreviews(
 852                Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 853        toggleInputMethod();
 854    }
 855
 856    private void attachImageToConversation(Conversation conversation, Uri uri, String type) {
 857        if (conversation == null) {
 858            return;
 859        }
 860        final Toast prepareFileToast =
 861                Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 862        prepareFileToast.show();
 863        activity.delegateUriPermissionsToService(uri);
 864        activity.xmppConnectionService.attachImageToConversation(
 865                conversation,
 866                uri,
 867                type,
 868                new UiCallback<Message>() {
 869
 870                    @Override
 871                    public void userInputRequired(PendingIntent pi, Message object) {
 872                        hidePrepareFileToast(prepareFileToast);
 873                    }
 874
 875                    @Override
 876                    public void success(Message message) {
 877                        hidePrepareFileToast(prepareFileToast);
 878                        runOnUiThread(() -> setupReply(null));
 879                    }
 880
 881                    @Override
 882                    public void error(final int error, final Message message) {
 883                        hidePrepareFileToast(prepareFileToast);
 884                        final ConversationsActivity activity = ConversationFragment.this.activity;
 885                        if (activity == null) {
 886                            return;
 887                        }
 888                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 889                    }
 890                });
 891    }
 892
 893    private void hidePrepareFileToast(final Toast prepareFileToast) {
 894        if (prepareFileToast != null && activity != null) {
 895            activity.runOnUiThread(prepareFileToast::cancel);
 896        }
 897    }
 898
 899    private void sendMessage() {
 900        if (mediaPreviewAdapter.hasAttachments()) {
 901            commitAttachments();
 902            return;
 903        }
 904        Editable body = this.binding.textinput.getText();
 905        if (body == null) body = new SpannableStringBuilder("");
 906        final Conversation conversation = this.conversation;
 907        if (body.length() == 0 || conversation == null) {
 908            binding.textSendButton.showContextMenu(0, 0);
 909            return;
 910        }
 911        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_TEXT)) {
 912            return;
 913        }
 914        final Message message;
 915        if (conversation.getCorrectingMessage() == null) {
 916            boolean attention = false;
 917            if (Pattern.compile("\\A@here\\s.*").matcher(body).find()) {
 918                attention = true;
 919                body.delete(0, 6);
 920                while (body.length() > 0 && Character.isWhitespace(body.charAt(0))) body.delete(0, 1);
 921            }
 922            if (conversation.getReplyTo() != null) {
 923                if (Emoticons.isEmoji(body.toString().replaceAll("\\s", ""))) {
 924                    message = conversation.getReplyTo().react(body.toString().replaceAll("\\s", ""));
 925                } else {
 926                    message = conversation.getReplyTo().reply();
 927                    message.appendBody(body);
 928                }
 929                message.setEncryption(conversation.getNextEncryption());
 930            } else {
 931                message = new Message(conversation, body.toString(), conversation.getNextEncryption());
 932                message.setBody(body);
 933                if (message.bodyIsOnlyEmojis()) {
 934                    SpannableStringBuilder spannable = message.getSpannableBody(null, null);
 935                    ImageSpan[] imageSpans = spannable.getSpans(0, spannable.length(), ImageSpan.class);
 936                    if (imageSpans.length == 1) {
 937                        // Only one inline image, so it's a sticker
 938                        String source = imageSpans[0].getSource();
 939                        if (source != null && source.length() > 0 && source.substring(0, 4).equals("cid:")) {
 940                            try {
 941                                final Cid cid = BobTransfer.cid(Uri.parse(source));
 942                                final String url = activity.xmppConnectionService.getUrlForCid(cid);
 943                                final File f = activity.xmppConnectionService.getFileForCid(cid);
 944                                if (url != null) {
 945                                    message.setBody("");
 946                                    message.setRelativeFilePath(f.getAbsolutePath());
 947                                    activity.xmppConnectionService.getFileBackend().updateFileParams(message);
 948                                }
 949                            } catch (final Exception e) { }
 950                        }
 951                    }
 952                }
 953            }
 954            message.setThread(conversation.getThread());
 955            if (attention) {
 956                message.addPayload(new Element("attention", "urn:xmpp:attention:0"));
 957            }
 958            Message.configurePrivateMessage(message);
 959        } else {
 960            message = conversation.getCorrectingMessage();
 961            message.setBody(body);
 962            message.setThread(conversation.getThread());
 963            message.putEdited(message.getUuid(), message.getServerMsgId());
 964            message.setServerMsgId(null);
 965            message.setUuid(UUID.randomUUID().toString());
 966        }
 967        switch (conversation.getNextEncryption()) {
 968            case Message.ENCRYPTION_PGP:
 969                sendPgpMessage(message);
 970                break;
 971            default:
 972                sendMessage(message);
 973        }
 974        setupReply(null);
 975    }
 976
 977    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
 978        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
 979                && trustKeysIfNeeded(requestCode);
 980    }
 981
 982    protected boolean trustKeysIfNeeded(int requestCode) {
 983        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
 984        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
 985        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
 986        boolean hasUndecidedOwn =
 987                !axolotlService
 988                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
 989                        .isEmpty();
 990        boolean hasUndecidedContacts =
 991                !axolotlService
 992                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
 993                        .isEmpty();
 994        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
 995        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
 996        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
 997        if (hasUndecidedOwn
 998                || hasUndecidedContacts
 999                || hasPendingKeys
1000                || hasNoTrustedKeys
1001                || hasUnaccepted
1002                || downloadInProgress) {
1003            axolotlService.createSessionsIfNeeded(conversation);
1004            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
1005            String[] contacts = new String[targets.size()];
1006            for (int i = 0; i < contacts.length; ++i) {
1007                contacts[i] = targets.get(i).toString();
1008            }
1009            intent.putExtra("contacts", contacts);
1010            intent.putExtra(
1011                    EXTRA_ACCOUNT,
1012                    conversation.getAccount().getJid().asBareJid().toEscapedString());
1013            intent.putExtra("conversation", conversation.getUuid());
1014            startActivityForResult(intent, requestCode);
1015            return true;
1016        } else {
1017            return false;
1018        }
1019    }
1020
1021    public void updateChatMsgHint() {
1022        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
1023        if (conversation.getCorrectingMessage() != null) {
1024            this.binding.textInputHint.setVisibility(View.GONE);
1025            this.binding.textinput.setHint(R.string.send_corrected_message);
1026            binding.conversationViewPager.setCurrentItem(0);
1027        } else if (multi && conversation.getNextCounterpart() != null) {
1028            this.binding.textinput.setHint(R.string.send_message);
1029            this.binding.textInputHint.setVisibility(View.VISIBLE);
1030            final MucOptions.User user = conversation.getMucOptions().findUserByName(conversation.getNextCounterpart().getResource());
1031            String nick = user == null ? null : user.getNick();
1032            if (nick == null) nick = conversation.getNextCounterpart().getResource();
1033            this.binding.textInputHint.setText(
1034                    getString(
1035                            R.string.send_private_message_to,
1036                            nick));
1037            binding.conversationViewPager.setCurrentItem(0);
1038        } else if (multi && !conversation.getMucOptions().participating()) {
1039            this.binding.textInputHint.setVisibility(View.GONE);
1040            this.binding.textinput.setHint(R.string.you_are_not_participating);
1041        } else {
1042            this.binding.textInputHint.setVisibility(View.GONE);
1043            this.binding.textinput.setHint(UIHelper.getMessageHint(getActivity(), conversation));
1044            getActivity().invalidateOptionsMenu();
1045        }
1046
1047        binding.messagesView.post(this::updateThreadFromLastMessage);
1048    }
1049
1050    public void setupIme() {
1051        this.binding.textinput.refreshIme();
1052    }
1053
1054    private void handleActivityResult(ActivityResult activityResult) {
1055        if (activityResult.resultCode == Activity.RESULT_OK) {
1056            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
1057        } else {
1058            handleNegativeActivityResult(activityResult.requestCode);
1059        }
1060    }
1061
1062    private void handlePositiveActivityResult(int requestCode, final Intent data) {
1063        switch (requestCode) {
1064            case REQUEST_SAVE_STICKER:
1065                final DocumentFile df = DocumentFile.fromSingleUri(activity, data.getData());
1066                final File f = savingAsSticker;
1067                savingAsSticker = null;
1068                try {
1069                    activity.xmppConnectionService.getFileBackend().copyFileToDocumentFile(activity, f, df);
1070                    Toast.makeText(activity, "Sticker saved", Toast.LENGTH_SHORT).show();
1071                } catch (final FileBackend.FileCopyException e) {
1072                    Toast.makeText(activity, e.getResId(), Toast.LENGTH_SHORT).show();
1073                }
1074                break;
1075            case REQUEST_TRUST_KEYS_TEXT:
1076                sendMessage();
1077                break;
1078            case REQUEST_TRUST_KEYS_ATTACHMENTS:
1079                commitAttachments();
1080                break;
1081            case REQUEST_START_AUDIO_CALL:
1082                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1083                break;
1084            case REQUEST_START_VIDEO_CALL:
1085                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1086                break;
1087            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1088                final List<Attachment> imageUris =
1089                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
1090                mediaPreviewAdapter.addMediaPreviews(imageUris);
1091                toggleInputMethod();
1092                break;
1093            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1094                final Uri takePhotoUri = pendingTakePhotoUri.pop();
1095                if (takePhotoUri != null) {
1096                    mediaPreviewAdapter.addMediaPreviews(
1097                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
1098                    toggleInputMethod();
1099                } else {
1100                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1101                }
1102                break;
1103            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1104            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1105            case ATTACHMENT_CHOICE_RECORD_VOICE:
1106                final Attachment.Type type =
1107                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1108                                ? Attachment.Type.RECORDING
1109                                : Attachment.Type.FILE;
1110                final List<Attachment> fileUris =
1111                        Attachment.extractAttachments(getActivity(), data, type);
1112                mediaPreviewAdapter.addMediaPreviews(fileUris);
1113                toggleInputMethod();
1114                break;
1115            case ATTACHMENT_CHOICE_LOCATION:
1116                final double latitude = data.getDoubleExtra("latitude", 0);
1117                final double longitude = data.getDoubleExtra("longitude", 0);
1118                final int accuracy = data.getIntExtra("accuracy", 0);
1119                final Uri geo;
1120                if (accuracy > 0) {
1121                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1122                } else {
1123                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1124                }
1125                mediaPreviewAdapter.addMediaPreviews(
1126                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1127                toggleInputMethod();
1128                break;
1129            case REQUEST_INVITE_TO_CONVERSATION:
1130                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1131                if (invite != null) {
1132                    if (invite.execute(activity)) {
1133                        activity.mToast =
1134                                Toast.makeText(
1135                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1136                        activity.mToast.show();
1137                    }
1138                }
1139                break;
1140        }
1141    }
1142
1143    private void commitAttachments() {
1144        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1145        if (anyNeedsExternalStoragePermission(attachments)
1146                && !hasPermissions(
1147                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1148            return;
1149        }
1150        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1151            return;
1152        }
1153        final PresenceSelector.OnPresenceSelected callback =
1154                () -> {
1155                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1156                        final Attachment attachment = i.next();
1157                        if (attachment.getType() == Attachment.Type.LOCATION) {
1158                            attachLocationToConversation(conversation, attachment.getUri());
1159                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1160                            Log.d(
1161                                    Config.LOGTAG,
1162                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1163                            attachImageToConversation(
1164                                    conversation, attachment.getUri(), attachment.getMime());
1165                        } else {
1166                            Log.d(
1167                                    Config.LOGTAG,
1168                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1169                            attachFileToConversation(
1170                                    conversation, attachment.getUri(), attachment.getMime());
1171                        }
1172                    }
1173                    mediaPreviewAdapter.notifyDataSetChanged();
1174                    toggleInputMethod();
1175                };
1176        if (conversation == null
1177                || conversation.getMode() == Conversation.MODE_MULTI
1178                || Attachment.canBeSendInband(attachments)
1179                || (conversation.getAccount().httpUploadAvailable()
1180                        && FileBackend.allFilesUnderSize(
1181                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1182            callback.onPresenceSelected();
1183        } else {
1184            activity.selectPresence(conversation, callback);
1185        }
1186    }
1187
1188    private static boolean anyNeedsExternalStoragePermission(
1189            final Collection<Attachment> attachments) {
1190        for (final Attachment attachment : attachments) {
1191            if (attachment.getType() != Attachment.Type.LOCATION) {
1192                return true;
1193            }
1194        }
1195        return false;
1196    }
1197
1198    public void toggleInputMethod() {
1199        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1200        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1201        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1202        updateSendButton();
1203    }
1204
1205    private void handleNegativeActivityResult(int requestCode) {
1206        switch (requestCode) {
1207            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1208                if (pendingTakePhotoUri.clear()) {
1209                    Log.d(
1210                            Config.LOGTAG,
1211                            "cleared pending photo uri after negative activity result");
1212                }
1213                break;
1214        }
1215    }
1216
1217    @Override
1218    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1219        super.onActivityResult(requestCode, resultCode, data);
1220        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1221        if (activity != null && activity.xmppConnectionService != null) {
1222            handleActivityResult(activityResult);
1223        } else {
1224            this.postponedActivityResult.push(activityResult);
1225        }
1226    }
1227
1228    public void unblockConversation(final Blockable conversation) {
1229        activity.xmppConnectionService.sendUnblockRequest(conversation);
1230    }
1231
1232    @Override
1233    public void onAttach(Activity activity) {
1234        super.onAttach(activity);
1235        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1236        if (activity instanceof ConversationsActivity) {
1237            this.activity = (ConversationsActivity) activity;
1238        } else {
1239            throw new IllegalStateException(
1240                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1241        }
1242    }
1243
1244    @Override
1245    public void onDetach() {
1246        super.onDetach();
1247        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1248    }
1249
1250    @Override
1251    public void onCreate(Bundle savedInstanceState) {
1252        super.onCreate(savedInstanceState);
1253        setHasOptionsMenu(true);
1254        activity.getOnBackPressedDispatcher().addCallback(this, backPressedLeaveSingleThread);
1255    }
1256
1257    @Override
1258    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1259        if (activity != null && activity.xmppConnectionService != null && activity.xmppConnectionService.isOnboarding()) return;
1260
1261        menuInflater.inflate(R.menu.fragment_conversation, menu);
1262        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1263        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1264        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1265        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1266        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1267        final MenuItem menuCall = menu.findItem(R.id.action_call);
1268        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1269        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1270        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1271
1272        if (conversation != null) {
1273            if (conversation.getMode() == Conversation.MODE_MULTI) {
1274                menuContactDetails.setVisible(false);
1275                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1276                menuMucDetails.setTitle(
1277                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1278                                ? R.string.action_muc_details
1279                                : R.string.channel_details);
1280                menuCall.setVisible(false);
1281                menuOngoingCall.setVisible(false);
1282            } else {
1283                final XmppConnectionService service =
1284                        activity == null ? null : activity.xmppConnectionService;
1285                final Optional<OngoingRtpSession> ongoingRtpSession =
1286                        service == null
1287                                ? Optional.absent()
1288                                : service.getJingleConnectionManager()
1289                                        .getOngoingRtpConnection(conversation.getContact());
1290                if (ongoingRtpSession.isPresent()) {
1291                    menuOngoingCall.setVisible(true);
1292                    menuCall.setVisible(false);
1293                } else {
1294                    menuOngoingCall.setVisible(false);
1295                    final RtpCapability.Capability rtpCapability =
1296                            RtpCapability.check(conversation.getContact());
1297                    final boolean cameraAvailable =
1298                            activity != null && activity.isCameraFeatureAvailable();
1299                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1300                    menuVideoCall.setVisible(
1301                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1302                }
1303                menuContactDetails.setVisible(!this.conversation.withSelf());
1304                menuMucDetails.setVisible(false);
1305                menuInviteContact.setVisible(
1306                        service != null
1307                                && service.findConferenceServer(conversation.getAccount()) != null);
1308            }
1309            if (conversation.isMuted()) {
1310                menuMute.setVisible(false);
1311            } else {
1312                menuUnmute.setVisible(false);
1313            }
1314            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu);
1315            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1316            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1317                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1318            } else {
1319                menuTogglePinned.setTitle(R.string.add_to_favorites);
1320            }
1321        }
1322        super.onCreateOptionsMenu(menu, menuInflater);
1323    }
1324
1325    @Override
1326    public View onCreateView(
1327            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1328        this.binding =
1329                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1330        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1331
1332        binding.textinput.addTextChangedListener(
1333                new StylingHelper.MessageEditorStyler(binding.textinput));
1334
1335        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1336        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1337        DisplayMetrics displayMetrics = new DisplayMetrics();
1338        activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
1339        if (displayMetrics.heightPixels > 0) binding.textinput.setMaxHeight(displayMetrics.heightPixels / 4);
1340
1341        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1342        binding.contextPreviewCancel.setOnClickListener((v) -> {
1343            setThread(null);
1344            conversation.setUserSelectedThread(false);
1345            setupReply(null);
1346        });
1347        binding.requestVoice.setOnClickListener((v) -> {
1348            activity.xmppConnectionService.requestVoice(conversation.getAccount(), conversation.getJid());
1349            binding.requestVoice.setVisibility(View.GONE);
1350        });
1351
1352        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1353        binding.messagesView.setOnScrollListener(mOnScrollListener);
1354        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1355        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1356        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1357        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1358        messageListAdapter.setOnContactPictureClicked(this);
1359        messageListAdapter.setOnContactPictureLongClicked(this);
1360        messageListAdapter.setOnInlineImageLongClicked(this);
1361        messageListAdapter.setConversationFragment(this);
1362        binding.messagesView.setAdapter(messageListAdapter);
1363
1364        registerForContextMenu(binding.messagesView);
1365        registerForContextMenu(binding.textSendButton);
1366
1367        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1368            this.binding.textinput.setCustomInsertionActionModeCallback(
1369                    new EditMessageActionModeCallback(this.binding.textinput));
1370        }
1371
1372        messageListAdapter.setOnMessageBoxClicked(message -> {
1373            if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1374            setThread(message.getThread());
1375            conversation.setUserSelectedThread(true);
1376        });
1377
1378        messageListAdapter.setOnMessageBoxSwiped(message -> {
1379            quoteMessage(message);
1380        });
1381
1382        binding.threadIdenticonLayout.setOnClickListener(v -> {
1383            boolean wasLocked = conversation.getLockThread();
1384            conversation.setLockThread(false);
1385            backPressedLeaveSingleThread.setEnabled(false);
1386            if (wasLocked) {
1387                setThread(null);
1388                conversation.setUserSelectedThread(false);
1389                refresh();
1390                updateThreadFromLastMessage();
1391            } else {
1392                newThread();
1393                conversation.setUserSelectedThread(true);
1394                newThreadTutorialToast("Switched to new thread");
1395            }
1396        });
1397
1398        binding.threadIdenticonLayout.setOnLongClickListener(v -> {
1399            boolean wasLocked = conversation.getLockThread();
1400            conversation.setLockThread(false);
1401            backPressedLeaveSingleThread.setEnabled(false);
1402            setThread(null);
1403            conversation.setUserSelectedThread(true);
1404            if (wasLocked) refresh();
1405            newThreadTutorialToast("Cleared thread");
1406            return true;
1407        });
1408
1409        final Pattern lastColonPattern = Pattern.compile("(?<!\\w):");
1410        emojiSearchBinding = DataBindingUtil.inflate(inflater, R.layout.emoji_search, null, false);
1411        emojiSearchBinding.emoji.setOnItemClickListener((parent, view, position, id) -> {
1412            EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1413            Editable toInsert = adapter.getItem(position).toInsert();
1414            toInsert.append(" ");
1415            Editable s = binding.textinput.getText();
1416
1417            Matcher lastColonMatcher = lastColonPattern.matcher(s);
1418            int lastColon = -1;
1419            while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1420            if (lastColon > 0) s.replace(lastColon - 1, s.length(), toInsert, 0, toInsert.length());
1421        });
1422        setupEmojiSearch();
1423        int popupHeight = (int) displayMetrics.density * 200;
1424        emojiPopup = new PopupWindow(emojiSearchBinding.getRoot(), WindowManager.LayoutParams.MATCH_PARENT, Math.min(popupHeight, displayMetrics.heightPixels > 0 ? displayMetrics.heightPixels / 5 : popupHeight));
1425        Handler emojiDebounce = new Handler(Looper.getMainLooper());
1426        final Pattern notEmojiSearch = Pattern.compile("[^\\w\\(\\)\\+'\\-]");
1427        binding.textinput.addTextChangedListener(new TextWatcher() {
1428            @Override
1429            public void afterTextChanged(Editable s) {
1430                emojiDebounce.removeCallbacksAndMessages(null);
1431                emojiDebounce.postDelayed(() -> {
1432                    Matcher lastColonMatcher = lastColonPattern.matcher(s);
1433                    int lastColon = -1;
1434                    while(lastColonMatcher.find()) lastColon = lastColonMatcher.end();
1435                    if (lastColon < 0) {
1436                        emojiPopup.dismiss();
1437                        return;
1438                    }
1439                    final String q = s.toString().substring(lastColon);
1440                    if (notEmojiSearch.matcher(q).find()) {
1441                        emojiPopup.dismiss();
1442                    } else {
1443                        EmojiSearch.EmojiSearchAdapter adapter = ((EmojiSearch.EmojiSearchAdapter) emojiSearchBinding.emoji.getAdapter());
1444                        if (adapter != null) {
1445                            adapter.search(q);
1446                            emojiPopup.showAsDropDown(binding.textinput);
1447                        }
1448                    }
1449                }, 400L);
1450            }
1451
1452            @Override
1453            public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1454
1455            @Override
1456            public void onTextChanged(CharSequence s, int start, int count, int after) { }
1457        });
1458
1459        return binding.getRoot();
1460    }
1461
1462    protected void setupEmojiSearch() {
1463        if (emojiSearch == null && activity != null && activity.xmppConnectionService != null) {
1464            emojiSearch = activity.xmppConnectionService.emojiSearch();
1465        }
1466        if (emojiSearch == null || emojiSearchBinding == null) return;
1467
1468        emojiSearchBinding.emoji.setAdapter(emojiSearch.makeAdapter(activity));
1469    }
1470
1471    protected void newThreadTutorialToast(String s) {
1472        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1473        final int tutorialCount = p.getInt("thread_tutorial", 0);
1474        if (tutorialCount < 5) {
1475            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1476            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1477        }
1478    }
1479
1480    @Override
1481    public void onDestroyView() {
1482        super.onDestroyView();
1483        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1484        messageListAdapter.setOnContactPictureClicked(null);
1485        messageListAdapter.setOnContactPictureLongClicked(null);
1486        messageListAdapter.setOnInlineImageLongClicked(null);
1487        messageListAdapter.setConversationFragment(null);
1488        binding.conversationViewPager.setAdapter(null);
1489        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1490    }
1491
1492    public void quoteText(String text) {
1493        if (binding.textinput.isEnabled()) {
1494            binding.textinput.insertAsQuote(text);
1495            binding.textinput.requestFocus();
1496            InputMethodManager inputMethodManager =
1497                    (InputMethodManager)
1498                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1499            if (inputMethodManager != null) {
1500                inputMethodManager.showSoftInput(
1501                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1502            }
1503        }
1504    }
1505
1506    private void quoteMessage(Message message) {
1507        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1508        setThread(message.getThread());
1509        conversation.setUserSelectedThread(true);
1510        if (!forkNullThread(message)) newThread();
1511        setupReply(message);
1512    }
1513
1514    private boolean forkNullThread(Message message) {
1515        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1516        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1517            final Element thread = m.getThread();
1518            if (thread != null) {
1519                setThread(thread);
1520                return true;
1521            }
1522        }
1523
1524        return false;
1525    }
1526
1527    private void setupReply(Message message) {
1528        conversation.setReplyTo(message);
1529        if (message == null) {
1530            binding.contextPreview.setVisibility(View.GONE);
1531            return;
1532        }
1533
1534        SpannableStringBuilder body = message.getSpannableBody(null, null);
1535        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1536        messageListAdapter.handleTextQuotes(body, activity.isDarkTheme());
1537        binding.contextPreviewText.setText(body);
1538        binding.contextPreview.setVisibility(View.VISIBLE);
1539    }
1540
1541    private void setThread(Element thread) {
1542        this.conversation.setThread(thread);
1543        binding.threadIdenticon.setAlpha(0f);
1544        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1545        if (thread != null) {
1546            final String threadId = thread.getContent();
1547            if (threadId != null) {
1548                binding.threadIdenticon.setAlpha(1f);
1549                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1550                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1551            }
1552        }
1553        updateSendButton();
1554    }
1555
1556    @Override
1557    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1558        // This should cancel any remaining click events that would otherwise trigger links
1559        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1560
1561        if (v == binding.textSendButton) {
1562            super.onCreateContextMenu(menu, v, menuInfo);
1563            try {
1564                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1565                m.setAccessible(true);
1566                m.invoke(menu, true);
1567            } catch (Exception e) {
1568                Log.w("WUT", "" + e);
1569                e.printStackTrace();
1570            }
1571            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1572            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1573            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1574            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1575                MenuItem item = attachMenu.getSubMenu().getItem(i);
1576                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1577                newItem.setIcon(item.getIcon());
1578            }
1579            return;
1580        }
1581
1582        synchronized (this.messageList) {
1583            super.onCreateContextMenu(menu, v, menuInfo);
1584            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1585            this.selectedMessage = this.messageList.get(acmi.position);
1586            populateContextMenu(menu);
1587        }
1588    }
1589
1590    private void populateContextMenu(ContextMenu menu) {
1591        final Message m = this.selectedMessage;
1592        final Transferable t = m.getTransferable();
1593        Message relevantForCorrection = m;
1594        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1595            relevantForCorrection = relevantForCorrection.next();
1596        }
1597        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1598
1599            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1600                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1601                return;
1602            }
1603
1604            if (m.getStatus() == Message.STATUS_RECEIVED
1605                    && t != null
1606                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1607                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1608                return;
1609            }
1610
1611            final boolean deleted = m.isDeleted();
1612            final boolean encrypted =
1613                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1614                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1615            final boolean receiving =
1616                    m.getStatus() == Message.STATUS_RECEIVED
1617                            && (t instanceof JingleFileTransferConnection
1618                                    || t instanceof HttpDownloadConnection);
1619            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1620            MenuItem openWith = menu.findItem(R.id.open_with);
1621            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1622            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1623            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1624            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1625            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1626            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1627            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1628            MenuItem shareWith = menu.findItem(R.id.share_with);
1629            MenuItem sendAgain = menu.findItem(R.id.send_again);
1630            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1631            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1632            MenuItem downloadFile = menu.findItem(R.id.download_file);
1633            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1634            MenuItem blockMedia = menu.findItem(R.id.block_media);
1635            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1636            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1637            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1638            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1639            final boolean showError =
1640                    m.getStatus() == Message.STATUS_SEND_FAILED
1641                            && m.getErrorMessage() != null
1642                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1643            if (!encrypted && !m.getBody().equals("")) {
1644                copyMessage.setVisible(true);
1645            }
1646            quoteMessage.setVisible(!encrypted && !showError);
1647            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1648                retryDecryption.setVisible(true);
1649            }
1650            if (!showError
1651                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1652                    && !m.isGeoUri()
1653                    && relevantForCorrection.isLastCorrectableMessage()
1654                    && m.getConversation() instanceof Conversation) {
1655                correctMessage.setVisible(true);
1656                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1657            }
1658            if (relevantForCorrection.getReactions() != null) {
1659                correctMessage.setVisible(false);
1660                retractMessage.setVisible(true);
1661            }
1662            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")) {
1663                moderateMessage.setVisible(true);
1664            }
1665            if ((m.isFileOrImage() && !deleted && !receiving)
1666                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1667                            && !unInitiatedButKnownSize
1668                            && t == null) {
1669                shareWith.setVisible(true);
1670            }
1671            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1672                sendAgain.setVisible(true);
1673            }
1674            if (m.hasFileOnRemoteHost()
1675                    || m.isGeoUri()
1676                    || m.treatAsDownloadable()
1677                    || unInitiatedButKnownSize
1678                    || t instanceof HttpDownloadConnection) {
1679                copyUrl.setVisible(true);
1680            }
1681            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1682                downloadFile.setVisible(true);
1683                downloadFile.setTitle(
1684                        activity.getString(
1685                                R.string.download_x_file,
1686                                UIHelper.getFileDescriptionString(activity, m)));
1687            }
1688            final boolean waitingOfferedSending =
1689                    m.getStatus() == Message.STATUS_WAITING
1690                            || m.getStatus() == Message.STATUS_UNSEND
1691                            || m.getStatus() == Message.STATUS_OFFERED;
1692            final boolean cancelable =
1693                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1694            if (cancelable) {
1695                cancelTransmission.setVisible(true);
1696            }
1697            if (m.isFileOrImage() && !deleted && !cancelable) {
1698                final String path = m.getRelativeFilePath();
1699                if (path == null
1700                        || !path.startsWith("/")
1701                        || FileBackend.inConversationsDirectory(requireActivity(), path)) {
1702                    saveAsSticker.setVisible(true);
1703                    blockMedia.setVisible(true);
1704                    deleteFile.setVisible(true);
1705                    deleteFile.setTitle(
1706                            activity.getString(
1707                                    R.string.delete_x_file,
1708                                    UIHelper.getFileDescriptionString(activity, m)));
1709                }
1710            }
1711
1712            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1713                // We might be showing a thumbnail worth blocking
1714                blockMedia.setVisible(true);
1715            }
1716            if (showError) {
1717                showErrorMessage.setVisible(true);
1718            }
1719            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1720            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1721                    || (mime != null && mime.startsWith("audio/"))) {
1722                openWith.setVisible(true);
1723            }
1724        }
1725    }
1726
1727    @Override
1728    public boolean onContextItemSelected(MenuItem item) {
1729        switch (item.getItemId()) {
1730            case R.id.share_with:
1731                ShareUtil.share(activity, selectedMessage);
1732                return true;
1733            case R.id.correct_message:
1734                correctMessage(selectedMessage);
1735                return true;
1736            case R.id.retract_message:
1737                new AlertDialog.Builder(activity)
1738                    .setTitle(R.string.retract_message)
1739                    .setMessage("Do you really want to retract this message?")
1740                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1741                        Message message = selectedMessage;
1742                        while (message.mergeable(message.next())) {
1743                            message = message.next();
1744                        }
1745                        Element reactions = message.getReactions();
1746                        if (reactions != null) {
1747                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1748                            if (previousReaction != null) reactions = previousReaction.getReactions();
1749                            for (Element el : reactions.getChildren()) {
1750                                if (message.getQuoteableBody().endsWith(el.getContent())) {
1751                                    reactions.removeChild(el);
1752                                }
1753                            }
1754                            message.setReactions(reactions);
1755                            if (previousReaction != null) {
1756                                previousReaction.setReactions(reactions);
1757                                activity.xmppConnectionService.updateMessage(previousReaction);
1758                            }
1759                        }
1760                        message.setBody(" ");
1761                        message.putEdited(message.getUuid(), message.getServerMsgId());
1762                        message.setServerMsgId(null);
1763                        message.setUuid(UUID.randomUUID().toString());
1764                        sendMessage(message);
1765                    })
1766                    .setNegativeButton(R.string.no, null).show();
1767                return true;
1768            case R.id.moderate_message:
1769                activity.quickEdit("Spam", (reason) -> {
1770                    Message message = selectedMessage;
1771                    do {
1772                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1773                        message = message.mergeable(message.next()) ? message.next() : null;
1774                    } while (message != null);
1775                    return null;
1776                }, R.string.moderate_reason, false, false, true);
1777                return true;
1778            case R.id.copy_message:
1779                ShareUtil.copyToClipboard(activity, selectedMessage);
1780                return true;
1781            case R.id.quote_message:
1782                quoteMessage(selectedMessage);
1783                return true;
1784            case R.id.send_again:
1785                resendMessage(selectedMessage);
1786                return true;
1787            case R.id.copy_url:
1788                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1789                return true;
1790            case R.id.save_as_sticker:
1791                saveAsSticker(selectedMessage);
1792                return true;
1793            case R.id.download_file:
1794                startDownloadable(selectedMessage);
1795                return true;
1796            case R.id.cancel_transmission:
1797                cancelTransmission(selectedMessage);
1798                return true;
1799            case R.id.retry_decryption:
1800                retryDecryption(selectedMessage);
1801                return true;
1802            case R.id.block_media:
1803                new AlertDialog.Builder(activity)
1804                    .setTitle(R.string.block_media)
1805                    .setMessage("Do you really want to block this media in all messages?")
1806                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1807                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
1808                        if (thumbs != null && !thumbs.isEmpty()) {
1809                            for (Element thumb : thumbs) {
1810                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
1811                                if (uri.getScheme().equals("cid")) {
1812                                    Cid cid = BobTransfer.cid(uri);
1813                                    if (cid == null) continue;
1814                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
1815                                    activity.xmppConnectionService.blockMedia(f);
1816                                    activity.xmppConnectionService.evictPreview(f);
1817                                    f.delete();
1818                                }
1819                            }
1820                        }
1821                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
1822                        activity.xmppConnectionService.blockMedia(f);
1823                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
1824                        activity.xmppConnectionService.evictPreview(f);
1825                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
1826                        activity.onConversationsListItemUpdated();
1827                        refresh();
1828                    })
1829                    .setNegativeButton(R.string.no, null).show();
1830                return true;
1831            case R.id.delete_file:
1832                deleteFile(selectedMessage);
1833                return true;
1834            case R.id.show_error_message:
1835                showErrorMessage(selectedMessage);
1836                return true;
1837            case R.id.open_with:
1838                openWith(selectedMessage);
1839                return true;
1840            case R.id.only_this_thread:
1841                conversation.setLockThread(true);
1842                backPressedLeaveSingleThread.setEnabled(true);
1843                setThread(selectedMessage.getThread());
1844                refresh();
1845                return true;
1846            default:
1847                return onOptionsItemSelected(item);
1848        }
1849    }
1850
1851    @Override
1852    public boolean onOptionsItemSelected(final MenuItem item) {
1853        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1854            return false;
1855        } else if (conversation == null) {
1856            return super.onOptionsItemSelected(item);
1857        }
1858        switch (item.getItemId()) {
1859            case R.id.encryption_choice_axolotl:
1860            case R.id.encryption_choice_pgp:
1861            case R.id.encryption_choice_none:
1862                handleEncryptionSelection(item);
1863                break;
1864            case R.id.attach_choose_picture:
1865            case R.id.attach_take_picture:
1866            case R.id.attach_record_video:
1867            case R.id.attach_choose_file:
1868            case R.id.attach_record_voice:
1869            case R.id.attach_location:
1870                handleAttachmentSelection(item);
1871                break;
1872            case R.id.action_search:
1873                startSearch();
1874                break;
1875            case R.id.action_archive:
1876                activity.xmppConnectionService.archiveConversation(conversation);
1877                break;
1878            case R.id.action_contact_details:
1879                activity.switchToContactDetails(conversation.getContact());
1880                break;
1881            case R.id.action_muc_details:
1882                ConferenceDetailsActivity.open(activity, conversation);
1883                break;
1884            case R.id.action_invite:
1885                startActivityForResult(
1886                        ChooseContactActivity.create(activity, conversation),
1887                        REQUEST_INVITE_TO_CONVERSATION);
1888                break;
1889            case R.id.action_clear_history:
1890                clearHistoryDialog(conversation);
1891                break;
1892            case R.id.action_mute:
1893                muteConversationDialog(conversation);
1894                break;
1895            case R.id.action_unmute:
1896                unMuteConversation(conversation);
1897                break;
1898            case R.id.action_block:
1899            case R.id.action_unblock:
1900                final Activity activity = getActivity();
1901                if (activity instanceof XmppActivity) {
1902                    BlockContactDialog.show((XmppActivity) activity, conversation);
1903                }
1904                break;
1905            case R.id.action_audio_call:
1906                checkPermissionAndTriggerAudioCall();
1907                break;
1908            case R.id.action_video_call:
1909                checkPermissionAndTriggerVideoCall();
1910                break;
1911            case R.id.action_ongoing_call:
1912                returnToOngoingCall();
1913                break;
1914            case R.id.action_toggle_pinned:
1915                togglePinned();
1916                break;
1917            case R.id.action_add_shortcut:
1918                addShortcut();
1919                break;
1920            case R.id.action_refresh_feature_discovery:
1921                refreshFeatureDiscovery();
1922                break;
1923            default:
1924                break;
1925        }
1926        return super.onOptionsItemSelected(item);
1927    }
1928
1929    public boolean onBackPressed() {
1930        boolean wasLocked = conversation.getLockThread();
1931        conversation.setLockThread(false);
1932        backPressedLeaveSingleThread.setEnabled(false);
1933        if (wasLocked) {
1934            setThread(null);
1935            conversation.setUserSelectedThread(false);
1936            refresh();
1937            updateThreadFromLastMessage();
1938            return true;
1939        }
1940        return false;
1941    }
1942
1943    private void startSearch() {
1944        final Intent intent = new Intent(getActivity(), SearchActivity.class);
1945        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
1946        startActivity(intent);
1947    }
1948
1949    private void returnToOngoingCall() {
1950        final Optional<OngoingRtpSession> ongoingRtpSession =
1951                activity.xmppConnectionService
1952                        .getJingleConnectionManager()
1953                        .getOngoingRtpConnection(conversation.getContact());
1954        if (ongoingRtpSession.isPresent()) {
1955            final OngoingRtpSession id = ongoingRtpSession.get();
1956            final Intent intent = new Intent(activity, RtpSessionActivity.class);
1957            intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.getAccount().getJid().asBareJid().toEscapedString());
1958            intent.putExtra(
1959                    RtpSessionActivity.EXTRA_ACCOUNT,
1960                    id.getAccount().getJid().asBareJid().toEscapedString());
1961            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
1962            if (id instanceof AbstractJingleConnection.Id) {
1963                intent.setAction(Intent.ACTION_VIEW);
1964                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
1965            } else if (id instanceof JingleConnectionManager.RtpSessionProposal) {
1966                if (((JingleConnectionManager.RtpSessionProposal) id).media.contains(Media.VIDEO)) {
1967                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1968                } else {
1969                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1970                }
1971            }
1972            activity.startActivity(intent);
1973        }
1974    }
1975
1976    private void refreshFeatureDiscovery() {
1977        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
1978        if (presences.isEmpty()) {
1979            presences = new HashSet<>();
1980            presences.add(new AbstractMap.SimpleEntry("", null));
1981        }
1982        for (Map.Entry<String, Presence> entry : presences) {
1983            Jid jid = conversation.getContact().getJid();
1984            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
1985            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
1986                if (activity == null) return;
1987                activity.runOnUiThread(() -> {
1988                    refresh();
1989                    refreshCommands(true);
1990                });
1991            });
1992        }
1993    }
1994
1995    private void addShortcut() {
1996        ShortcutInfoCompat info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
1997        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
1998    }
1999
2000    private void togglePinned() {
2001        final boolean pinned =
2002                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2003        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2004        activity.xmppConnectionService.updateConversation(conversation);
2005        activity.invalidateOptionsMenu();
2006    }
2007
2008    private void checkPermissionAndTriggerAudioCall() {
2009        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2010            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2011            return;
2012        }
2013        final List<String> permissions;
2014        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2015            permissions =
2016                    Arrays.asList(
2017                            Manifest.permission.RECORD_AUDIO,
2018                            Manifest.permission.BLUETOOTH_CONNECT);
2019        } else {
2020            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2021        }
2022        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2023            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2024        }
2025    }
2026
2027    private void checkPermissionAndTriggerVideoCall() {
2028        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2029            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2030            return;
2031        }
2032        final List<String> permissions;
2033        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2034            permissions =
2035                    Arrays.asList(
2036                            Manifest.permission.RECORD_AUDIO,
2037                            Manifest.permission.CAMERA,
2038                            Manifest.permission.BLUETOOTH_CONNECT);
2039        } else {
2040            permissions =
2041                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2042        }
2043        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2044            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2045        }
2046    }
2047
2048    private void triggerRtpSession(final String action) {
2049        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy() != null) {
2050            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2051                    .show();
2052            return;
2053        }
2054        final Contact contact = conversation.getContact();
2055        if (contact.getPresences().anySupport(Namespace.JINGLE_MESSAGE)) {
2056            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2057        } else {
2058            final RtpCapability.Capability capability;
2059            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2060                capability = RtpCapability.Capability.VIDEO;
2061            } else {
2062                capability = RtpCapability.Capability.AUDIO;
2063            }
2064            PresenceSelector.selectFullJidForDirectRtpConnection(
2065                    activity,
2066                    contact,
2067                    capability,
2068                    fullJid -> {
2069                        triggerRtpSession(contact.getAccount(), fullJid, action);
2070                    });
2071        }
2072    }
2073
2074    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2075        final Intent intent = new Intent(activity, RtpSessionActivity.class);
2076        intent.setAction(action);
2077        intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, account.getJid().toEscapedString());
2078        intent.putExtra(RtpSessionActivity.EXTRA_WITH, with.toEscapedString());
2079        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2080        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
2081        startActivity(intent);
2082    }
2083
2084    private void handleAttachmentSelection(MenuItem item) {
2085        switch (item.getItemId()) {
2086            case R.id.attach_choose_picture:
2087                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2088                break;
2089            case R.id.attach_take_picture:
2090                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2091                break;
2092            case R.id.attach_record_video:
2093                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2094                break;
2095            case R.id.attach_choose_file:
2096                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2097                break;
2098            case R.id.attach_record_voice:
2099                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2100                break;
2101            case R.id.attach_location:
2102                attachFile(ATTACHMENT_CHOICE_LOCATION);
2103                break;
2104        }
2105    }
2106
2107    private void handleEncryptionSelection(MenuItem item) {
2108        if (conversation == null) {
2109            return;
2110        }
2111        final boolean updated;
2112        switch (item.getItemId()) {
2113            case R.id.encryption_choice_none:
2114                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2115                item.setChecked(true);
2116                break;
2117            case R.id.encryption_choice_pgp:
2118                if (activity.hasPgp()) {
2119                    if (conversation.getAccount().getPgpSignature() != null) {
2120                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2121                        item.setChecked(true);
2122                    } else {
2123                        updated = false;
2124                        activity.announcePgp(
2125                                conversation.getAccount(),
2126                                conversation,
2127                                null,
2128                                activity.onOpenPGPKeyPublished);
2129                    }
2130                } else {
2131                    activity.showInstallPgpDialog();
2132                    updated = false;
2133                }
2134                break;
2135            case R.id.encryption_choice_axolotl:
2136                Log.d(
2137                        Config.LOGTAG,
2138                        AxolotlService.getLogprefix(conversation.getAccount())
2139                                + "Enabled axolotl for Contact "
2140                                + conversation.getContact().getJid());
2141                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2142                item.setChecked(true);
2143                break;
2144            default:
2145                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2146                break;
2147        }
2148        if (updated) {
2149            activity.xmppConnectionService.updateConversation(conversation);
2150        }
2151        updateChatMsgHint();
2152        getActivity().invalidateOptionsMenu();
2153        activity.refreshUi();
2154    }
2155
2156    public void attachFile(final int attachmentChoice) {
2157        attachFile(attachmentChoice, true);
2158    }
2159
2160    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2161        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2162            if (!hasPermissions(
2163                    attachmentChoice,
2164                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2165                    Manifest.permission.RECORD_AUDIO)) {
2166                return;
2167            }
2168        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2169                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2170            if (!hasPermissions(
2171                    attachmentChoice,
2172                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2173                    Manifest.permission.CAMERA)) {
2174                return;
2175            }
2176        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2177            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2178                return;
2179            }
2180        }
2181        if (updateRecentlyUsed) {
2182            storeRecentlyUsedQuickAction(attachmentChoice);
2183        }
2184        final int encryption = conversation.getNextEncryption();
2185        final int mode = conversation.getMode();
2186        if (encryption == Message.ENCRYPTION_PGP) {
2187            if (activity.hasPgp()) {
2188                if (mode == Conversation.MODE_SINGLE
2189                        && conversation.getContact().getPgpKeyId() != 0) {
2190                    activity.xmppConnectionService
2191                            .getPgpEngine()
2192                            .hasKey(
2193                                    conversation.getContact(),
2194                                    new UiCallback<Contact>() {
2195
2196                                        @Override
2197                                        public void userInputRequired(
2198                                                PendingIntent pi, Contact contact) {
2199                                            startPendingIntent(pi, attachmentChoice);
2200                                        }
2201
2202                                        @Override
2203                                        public void success(Contact contact) {
2204                                            invokeAttachFileIntent(attachmentChoice);
2205                                        }
2206
2207                                        @Override
2208                                        public void error(int error, Contact contact) {
2209                                            activity.replaceToast(getString(error));
2210                                        }
2211                                    });
2212                } else if (mode == Conversation.MODE_MULTI
2213                        && conversation.getMucOptions().pgpKeysInUse()) {
2214                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2215                        Toast warning =
2216                                Toast.makeText(
2217                                        getActivity(),
2218                                        R.string.missing_public_keys,
2219                                        Toast.LENGTH_LONG);
2220                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2221                        warning.show();
2222                    }
2223                    invokeAttachFileIntent(attachmentChoice);
2224                } else {
2225                    showNoPGPKeyDialog(
2226                            false,
2227                            (dialog, which) -> {
2228                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2229                                activity.xmppConnectionService.updateConversation(conversation);
2230                                invokeAttachFileIntent(attachmentChoice);
2231                            });
2232                }
2233            } else {
2234                activity.showInstallPgpDialog();
2235            }
2236        } else {
2237            invokeAttachFileIntent(attachmentChoice);
2238        }
2239    }
2240
2241    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2242        try {
2243            activity.getPreferences()
2244                    .edit()
2245                    .putString(
2246                            RECENTLY_USED_QUICK_ACTION,
2247                            SendButtonAction.of(attachmentChoice).toString())
2248                    .apply();
2249        } catch (IllegalArgumentException e) {
2250            // just do not save
2251        }
2252    }
2253
2254    @Override
2255    public void onRequestPermissionsResult(
2256            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2257        final PermissionUtils.PermissionResult permissionResult =
2258                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2259        if (grantResults.length > 0) {
2260            if (allGranted(permissionResult.grantResults)) {
2261                switch (requestCode) {
2262                    case REQUEST_START_DOWNLOAD:
2263                        if (this.mPendingDownloadableMessage != null) {
2264                            startDownloadable(this.mPendingDownloadableMessage);
2265                        }
2266                        break;
2267                    case REQUEST_ADD_EDITOR_CONTENT:
2268                        if (this.mPendingEditorContent != null) {
2269                            attachEditorContentToConversation(this.mPendingEditorContent);
2270                        }
2271                        break;
2272                    case REQUEST_COMMIT_ATTACHMENTS:
2273                        commitAttachments();
2274                        break;
2275                    case REQUEST_START_AUDIO_CALL:
2276                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2277                        break;
2278                    case REQUEST_START_VIDEO_CALL:
2279                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2280                        break;
2281                    default:
2282                        attachFile(requestCode);
2283                        break;
2284                }
2285            } else {
2286                @StringRes int res;
2287                String firstDenied =
2288                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2289                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2290                    res = R.string.no_microphone_permission;
2291                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2292                    res = R.string.no_camera_permission;
2293                } else {
2294                    res = R.string.no_storage_permission;
2295                }
2296                Toast.makeText(
2297                                getActivity(),
2298                                getString(res, getString(R.string.app_name)),
2299                                Toast.LENGTH_SHORT)
2300                        .show();
2301            }
2302        }
2303        if (writeGranted(grantResults, permissions)) {
2304            if (activity != null && activity.xmppConnectionService != null) {
2305                activity.xmppConnectionService.getDrawableCache().evictAll();
2306                activity.xmppConnectionService.restartFileObserver();
2307            }
2308            refresh();
2309        }
2310    }
2311
2312    public void startDownloadable(Message message) {
2313        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2314            this.mPendingDownloadableMessage = message;
2315            return;
2316        }
2317        Transferable transferable = message.getTransferable();
2318        if (transferable != null) {
2319            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2320                createNewConnection(message);
2321                return;
2322            }
2323            if (!transferable.start()) {
2324                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2325                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2326                        .show();
2327            }
2328        } else if (message.treatAsDownloadable()
2329                || message.hasFileOnRemoteHost()
2330                || MessageUtils.unInitiatedButKnownSize(message)) {
2331            createNewConnection(message);
2332        } else {
2333            Log.d(
2334                    Config.LOGTAG,
2335                    message.getConversation().getAccount() + ": unable to start downloadable");
2336        }
2337    }
2338
2339    private void createNewConnection(final Message message) {
2340        if (!activity.xmppConnectionService.hasInternetConnection()) {
2341            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2342                    .show();
2343            return;
2344        }
2345        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2346            try {
2347                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2348                message.setTransferable(transfer);
2349                transfer.start();
2350            } catch (URISyntaxException e) {
2351                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2352            }
2353        } else {
2354            activity.xmppConnectionService
2355                    .getHttpConnectionManager()
2356                    .createNewDownloadConnection(message, true);
2357        }
2358    }
2359
2360    @SuppressLint("InflateParams")
2361    protected void clearHistoryDialog(final Conversation conversation) {
2362        final AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2363        builder.setTitle(getString(R.string.clear_conversation_history));
2364        final View dialogView =
2365                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2366        final CheckBox endConversationCheckBox =
2367                dialogView.findViewById(R.id.end_conversation_checkbox);
2368        builder.setView(dialogView);
2369        builder.setNegativeButton(getString(R.string.cancel), null);
2370        builder.setPositiveButton(
2371                getString(R.string.confirm),
2372                (dialog, which) -> {
2373                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2374                    if (endConversationCheckBox.isChecked()) {
2375                        this.activity.xmppConnectionService.archiveConversation(conversation);
2376                        this.activity.onConversationArchived(conversation);
2377                    } else {
2378                        activity.onConversationsListItemUpdated();
2379                        refresh();
2380                    }
2381                });
2382        builder.create().show();
2383    }
2384
2385    protected void muteConversationDialog(final Conversation conversation) {
2386        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
2387        builder.setTitle(R.string.disable_notifications);
2388        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2389        final CharSequence[] labels = new CharSequence[durations.length];
2390        for (int i = 0; i < durations.length; ++i) {
2391            if (durations[i] == -1) {
2392                labels[i] = activity.getString(R.string.until_further_notice);
2393            } else {
2394                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2395            }
2396        }
2397        builder.setItems(
2398                labels,
2399                (dialog, which) -> {
2400                    final long till;
2401                    if (durations[which] == -1) {
2402                        till = Long.MAX_VALUE;
2403                    } else {
2404                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2405                    }
2406                    conversation.setMutedTill(till);
2407                    activity.xmppConnectionService.updateConversation(conversation);
2408                    activity.onConversationsListItemUpdated();
2409                    refresh();
2410                    activity.invalidateOptionsMenu();
2411                });
2412        builder.create().show();
2413    }
2414
2415    private boolean hasPermissions(int requestCode, List<String> permissions) {
2416        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
2417            final List<String> missingPermissions = new ArrayList<>();
2418            for (String permission : permissions) {
2419                if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2420                    continue;
2421                }
2422                if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2423                    missingPermissions.add(permission);
2424                }
2425            }
2426            if (missingPermissions.size() == 0) {
2427                return true;
2428            } else {
2429                requestPermissions(
2430                        missingPermissions.toArray(new String[0]),
2431                        requestCode);
2432                return false;
2433            }
2434        } else {
2435            return true;
2436        }
2437    }
2438
2439    private boolean hasPermissions(int requestCode, String... permissions) {
2440        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2441    }
2442
2443    public void unMuteConversation(final Conversation conversation) {
2444        conversation.setMutedTill(0);
2445        this.activity.xmppConnectionService.updateConversation(conversation);
2446        this.activity.onConversationsListItemUpdated();
2447        refresh();
2448        this.activity.invalidateOptionsMenu();
2449    }
2450
2451    protected void invokeAttachFileIntent(final int attachmentChoice) {
2452        Intent intent = new Intent();
2453        boolean chooser = false;
2454        switch (attachmentChoice) {
2455            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2456                intent.setAction(Intent.ACTION_GET_CONTENT);
2457                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2458                intent.setType("image/*");
2459                chooser = true;
2460                break;
2461            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2462                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2463                break;
2464            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2465                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2466                pendingTakePhotoUri.push(uri);
2467                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2468                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2469                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2470                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2471                break;
2472            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2473                chooser = true;
2474                intent.setType("*/*");
2475                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2476                intent.addCategory(Intent.CATEGORY_OPENABLE);
2477                intent.setAction(Intent.ACTION_GET_CONTENT);
2478                break;
2479            case ATTACHMENT_CHOICE_RECORD_VOICE:
2480                intent = new Intent(getActivity(), RecordingActivity.class);
2481                break;
2482            case ATTACHMENT_CHOICE_LOCATION:
2483                intent = GeoHelper.getFetchIntent(activity);
2484                break;
2485        }
2486        final Context context = getActivity();
2487        if (context == null) {
2488            return;
2489        }
2490        try {
2491            if (chooser) {
2492                startActivityForResult(
2493                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2494                        attachmentChoice);
2495            } else {
2496                startActivityForResult(intent, attachmentChoice);
2497            }
2498        } catch (final ActivityNotFoundException e) {
2499            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2500        }
2501    }
2502
2503    @Override
2504    public void onResume() {
2505        super.onResume();
2506        binding.messagesView.post(this::fireReadEvent);
2507    }
2508
2509    private void fireReadEvent() {
2510        if (activity != null && this.conversation != null) {
2511            String uuid = getLastVisibleMessageUuid();
2512            if (uuid != null) {
2513                activity.onConversationRead(this.conversation, uuid);
2514            }
2515        }
2516    }
2517
2518    private void newSubThread() {
2519        Element oldThread = conversation.getThread();
2520        Element thread = new Element("thread", "jabber:client");
2521        thread.setContent(UUID.randomUUID().toString());
2522        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2523        setThread(thread);
2524    }
2525
2526    private void newThread() {
2527        Element thread = new Element("thread", "jabber:client");
2528        thread.setContent(UUID.randomUUID().toString());
2529        setThread(thread);
2530    }
2531
2532    private void updateThreadFromLastMessage() {
2533        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2534            Message message = getLastVisibleMessage();
2535            if (message == null) {
2536                newThread();
2537            } else {
2538                if (conversation.getMode() == Conversation.MODE_MULTI) {
2539                    if (activity == null || activity.xmppConnectionService == null) return;
2540                    if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2541                }
2542
2543                setThread(message.getThread());
2544            }
2545        }
2546    }
2547
2548    private String getLastVisibleMessageUuid() {
2549        Message message =  getLastVisibleMessage();
2550        return message == null ? null : message.getUuid();
2551    }
2552
2553    private Message getLastVisibleMessage() {
2554        if (binding == null) {
2555            return null;
2556        }
2557        synchronized (this.messageList) {
2558            int pos = binding.messagesView.getLastVisiblePosition();
2559            if (pos >= 0) {
2560                Message message = null;
2561                for (int i = pos; i >= 0; --i) {
2562                    try {
2563                        message = (Message) binding.messagesView.getItemAtPosition(i);
2564                    } catch (IndexOutOfBoundsException e) {
2565                        // should not happen if we synchronize properly. however if that fails we
2566                        // just gonna try item -1
2567                        continue;
2568                    }
2569                    if (message.getType() != Message.TYPE_STATUS) {
2570                        break;
2571                    }
2572                }
2573                if (message != null) {
2574                    while (message.next() != null && message.next().wasMergedIntoPrevious()) {
2575                        message = message.next();
2576                    }
2577                    return message;
2578                }
2579            }
2580        }
2581        return null;
2582    }
2583
2584    private void openWith(final Message message) {
2585        if (message.isGeoUri()) {
2586            GeoHelper.view(getActivity(), message);
2587        } else {
2588            final DownloadableFile file =
2589                    activity.xmppConnectionService.getFileBackend().getFile(message);
2590            ViewUtil.view(activity, file);
2591        }
2592    }
2593
2594    private void showErrorMessage(final Message message) {
2595        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2596        builder.setTitle(R.string.error_message);
2597        final String errorMessage = message.getErrorMessage();
2598        final String[] errorMessageParts =
2599                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2600        final String displayError;
2601        if (errorMessageParts.length == 2) {
2602            displayError = errorMessageParts[1];
2603        } else {
2604            displayError = errorMessage;
2605        }
2606        builder.setMessage(displayError);
2607        builder.setNegativeButton(
2608                R.string.copy_to_clipboard,
2609                (dialog, which) -> {
2610                    activity.copyTextToClipboard(displayError, R.string.error_message);
2611                    Toast.makeText(
2612                                    activity,
2613                                    R.string.error_message_copied_to_clipboard,
2614                                    Toast.LENGTH_SHORT)
2615                            .show();
2616                });
2617        builder.setPositiveButton(R.string.confirm, null);
2618        builder.create().show();
2619    }
2620
2621    public boolean onInlineImageLongClicked(Cid cid) {
2622        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2623        if (f == null) return false;
2624
2625        saveAsSticker(f, null);
2626        return true;
2627    }
2628
2629    private void saveAsSticker(final Message m) {
2630        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2631        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2632        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2633    }
2634
2635    private void saveAsSticker(final File file, final String name) {
2636        savingAsSticker = file;
2637
2638        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2639        intent.addCategory(Intent.CATEGORY_OPENABLE);
2640        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2641        intent.putExtra(Intent.EXTRA_TITLE, name);
2642
2643        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2644        final String dir = p.getString("sticker_directory", "Stickers");
2645        if (dir.startsWith("content://")) {
2646            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2647        } else {
2648            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2649            Uri uri;
2650            if (Build.VERSION.SDK_INT >= 29) {
2651                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2652                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2653                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2654            } else {
2655                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2656            }
2657            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2658            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2659        }
2660
2661        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2662        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2663    }
2664
2665    private void deleteFile(final Message message) {
2666        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2667        builder.setNegativeButton(R.string.cancel, null);
2668        builder.setTitle(R.string.delete_file_dialog);
2669        builder.setMessage(R.string.delete_file_dialog_msg);
2670        builder.setPositiveButton(
2671                R.string.confirm,
2672                (dialog, which) -> {
2673                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2674                    if (thumbs != null && !thumbs.isEmpty()) {
2675                        for (Element thumb : thumbs) {
2676                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2677                            if (uri.getScheme().equals("cid")) {
2678                                Cid cid = BobTransfer.cid(uri);
2679                                if (cid == null) continue;
2680                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2681                                activity.xmppConnectionService.evictPreview(f);
2682                                f.delete();
2683                            }
2684                        }
2685                    }
2686                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2687                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2688                        activity.xmppConnectionService.updateMessage(message, false);
2689                        activity.onConversationsListItemUpdated();
2690                        refresh();
2691                    }
2692                });
2693        builder.create().show();
2694    }
2695
2696    private void resendMessage(final Message message) {
2697        if (message.isFileOrImage()) {
2698            if (!(message.getConversation() instanceof Conversation)) {
2699                return;
2700            }
2701            final Conversation conversation = (Conversation) message.getConversation();
2702            final DownloadableFile file =
2703                    activity.xmppConnectionService.getFileBackend().getFile(message);
2704            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2705                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2706                if (!message.hasFileOnRemoteHost()
2707                        && xmppConnection != null
2708                        && conversation.getMode() == Conversational.MODE_SINGLE
2709                        && !xmppConnection
2710                                .getFeatures()
2711                                .httpUpload(message.getFileParams().getSize())) {
2712                    activity.selectPresence(
2713                            conversation,
2714                            () -> {
2715                                message.setCounterpart(conversation.getNextCounterpart());
2716                                activity.xmppConnectionService.resendFailedMessages(message);
2717                                new Handler()
2718                                        .post(
2719                                                () -> {
2720                                                    int size = messageList.size();
2721                                                    this.binding.messagesView.setSelection(
2722                                                            size - 1);
2723                                                });
2724                            });
2725                    return;
2726                }
2727            } else if (!Compatibility.hasStoragePermission(getActivity())) {
2728                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
2729                return;
2730            } else {
2731                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
2732                message.setDeleted(true);
2733                activity.xmppConnectionService.updateMessage(message, false);
2734                activity.onConversationsListItemUpdated();
2735                refresh();
2736                return;
2737            }
2738        }
2739        activity.xmppConnectionService.resendFailedMessages(message);
2740        new Handler()
2741                .post(
2742                        () -> {
2743                            int size = messageList.size();
2744                            this.binding.messagesView.setSelection(size - 1);
2745                        });
2746    }
2747
2748    private void cancelTransmission(Message message) {
2749        Transferable transferable = message.getTransferable();
2750        if (transferable != null) {
2751            transferable.cancel();
2752        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
2753            activity.xmppConnectionService.markMessage(
2754                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
2755        }
2756    }
2757
2758    private void retryDecryption(Message message) {
2759        message.setEncryption(Message.ENCRYPTION_PGP);
2760        activity.onConversationsListItemUpdated();
2761        refresh();
2762        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
2763    }
2764
2765    public void privateMessageWith(final Jid counterpart) {
2766        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2767            activity.xmppConnectionService.sendChatState(conversation);
2768        }
2769        this.binding.textinput.setText("");
2770        this.conversation.setNextCounterpart(counterpart);
2771        updateChatMsgHint();
2772        updateSendButton();
2773        updateEditablity();
2774    }
2775
2776    private void correctMessage(Message message) {
2777        while (message.mergeable(message.next())) {
2778            message = message.next();
2779        }
2780        setThread(message.getThread());
2781        conversation.setUserSelectedThread(true);
2782        this.conversation.setCorrectingMessage(message);
2783        final Editable editable = binding.textinput.getText();
2784        this.conversation.setDraftMessage(editable.toString());
2785        this.binding.textinput.setText("");
2786        this.binding.textinput.append(message.getBody());
2787    }
2788
2789    private void highlightInConference(String nick) {
2790        final Editable editable = this.binding.textinput.getText();
2791        String oldString = editable.toString().trim();
2792        final int pos = this.binding.textinput.getSelectionStart();
2793        if (oldString.isEmpty() || pos == 0) {
2794            editable.insert(0, nick + ": ");
2795        } else {
2796            final char before = editable.charAt(pos - 1);
2797            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
2798            if (before == '\n') {
2799                editable.insert(pos, nick + ": ");
2800            } else {
2801                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
2802                    if (NickValidityChecker.check(
2803                            conversation,
2804                            Arrays.asList(
2805                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
2806                        editable.insert(pos - 2, ", " + nick);
2807                        return;
2808                    }
2809                }
2810                editable.insert(
2811                        pos,
2812                        (Character.isWhitespace(before) ? "" : " ")
2813                                + nick
2814                                + (Character.isWhitespace(after) ? "" : " "));
2815                if (Character.isWhitespace(after)) {
2816                    this.binding.textinput.setSelection(
2817                            this.binding.textinput.getSelectionStart() + 1);
2818                }
2819            }
2820        }
2821    }
2822
2823    @Override
2824    public void startActivityForResult(Intent intent, int requestCode) {
2825        final Activity activity = getActivity();
2826        if (activity instanceof ConversationsActivity) {
2827            ((ConversationsActivity) activity).clearPendingViewIntent();
2828        }
2829        super.startActivityForResult(intent, requestCode);
2830    }
2831
2832    @Override
2833    public void onSaveInstanceState(@NotNull Bundle outState) {
2834        super.onSaveInstanceState(outState);
2835        if (conversation != null) {
2836            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
2837            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
2838            final Uri uri = pendingTakePhotoUri.peek();
2839            if (uri != null) {
2840                outState.putString(STATE_PHOTO_URI, uri.toString());
2841            }
2842            final ScrollState scrollState = getScrollPosition();
2843            if (scrollState != null) {
2844                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
2845            }
2846            final ArrayList<Attachment> attachments =
2847                    mediaPreviewAdapter == null
2848                            ? new ArrayList<>()
2849                            : mediaPreviewAdapter.getAttachments();
2850            if (attachments.size() > 0) {
2851                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
2852            }
2853        }
2854    }
2855
2856    @Override
2857    public void onActivityCreated(Bundle savedInstanceState) {
2858        super.onActivityCreated(savedInstanceState);
2859        if (savedInstanceState == null) {
2860            return;
2861        }
2862        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
2863        ArrayList<Attachment> attachments =
2864                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
2865        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
2866        if (uuid != null) {
2867            QuickLoader.set(uuid);
2868            this.pendingConversationsUuid.push(uuid);
2869            if (attachments != null && attachments.size() > 0) {
2870                this.pendingMediaPreviews.push(attachments);
2871            }
2872            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
2873            if (takePhotoUri != null) {
2874                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
2875            }
2876            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
2877        }
2878    }
2879
2880    @Override
2881    public void onStart() {
2882        super.onStart();
2883        if (this.reInitRequiredOnStart && this.conversation != null) {
2884            final Bundle extras = pendingExtras.pop();
2885            reInit(this.conversation, extras != null);
2886            if (extras != null) {
2887                processExtras(extras);
2888            }
2889        } else if (conversation == null
2890                && activity != null
2891                && activity.xmppConnectionService != null) {
2892            final String uuid = pendingConversationsUuid.pop();
2893            Log.d(
2894                    Config.LOGTAG,
2895                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
2896                            + uuid);
2897            if (uuid != null) {
2898                findAndReInitByUuidOrArchive(uuid);
2899            }
2900        }
2901    }
2902
2903    @Override
2904    public void onStop() {
2905        super.onStop();
2906        final Activity activity = getActivity();
2907        messageListAdapter.unregisterListenerInAudioPlayer();
2908        if (activity == null || !activity.isChangingConfigurations()) {
2909            hideSoftKeyboard(activity);
2910            messageListAdapter.stopAudioPlayer();
2911        }
2912        if (this.conversation != null) {
2913            final String msg = this.binding.textinput.getText().toString();
2914            storeNextMessage(msg);
2915            updateChatState(this.conversation, msg);
2916            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
2917        }
2918        this.reInitRequiredOnStart = true;
2919        if (emojiPopup != null) emojiPopup.dismiss();
2920    }
2921
2922    private void updateChatState(final Conversation conversation, final String msg) {
2923        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
2924        Account.State status = conversation.getAccount().getStatus();
2925        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
2926            activity.xmppConnectionService.sendChatState(conversation);
2927        }
2928    }
2929
2930    private void saveMessageDraftStopAudioPlayer() {
2931        final Conversation previousConversation = this.conversation;
2932        if (this.activity == null || this.binding == null || previousConversation == null) {
2933            return;
2934        }
2935        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
2936        final String msg = this.binding.textinput.getText().toString();
2937        storeNextMessage(msg);
2938        updateChatState(this.conversation, msg);
2939        messageListAdapter.stopAudioPlayer();
2940        mediaPreviewAdapter.clearPreviews();
2941        toggleInputMethod();
2942    }
2943
2944    public void reInit(final Conversation conversation, final Bundle extras) {
2945        QuickLoader.set(conversation.getUuid());
2946        final boolean changedConversation = this.conversation != conversation;
2947        if (changedConversation) {
2948            this.saveMessageDraftStopAudioPlayer();
2949        }
2950        this.clearPending();
2951        if (this.reInit(conversation, extras != null)) {
2952            if (extras != null) {
2953                processExtras(extras);
2954            }
2955            this.reInitRequiredOnStart = false;
2956        } else {
2957            this.reInitRequiredOnStart = true;
2958            pendingExtras.push(extras);
2959        }
2960        resetUnreadMessagesCount();
2961    }
2962
2963    private void reInit(Conversation conversation) {
2964        reInit(conversation, false);
2965    }
2966
2967    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
2968        if (conversation == null) {
2969            return false;
2970        }
2971        final Conversation originalConversation = this.conversation;
2972        this.conversation = conversation;
2973        // once we set the conversation all is good and it will automatically do the right thing in
2974        // onStart()
2975        if (this.activity == null || this.binding == null) {
2976            return false;
2977        }
2978
2979        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2980            activity.onConversationArchived(this.conversation);
2981            return false;
2982        }
2983
2984        setThread(conversation.getThread());
2985        setupReply(conversation.getReplyTo());
2986
2987        stopScrolling();
2988        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
2989
2990        if (this.conversation.isRead() && hasExtras) {
2991            Log.d(Config.LOGTAG, "trimming conversation");
2992            this.conversation.trim();
2993        }
2994
2995        setupIme();
2996
2997        final boolean scrolledToBottomAndNoPending =
2998                this.scrolledToBottom() && pendingScrollState.peek() == null;
2999
3000        this.binding.textSendButton.setContentDescription(
3001                activity.getString(R.string.send_message_to_x, conversation.getName()));
3002        this.binding.textinput.setKeyboardListener(null);
3003        final boolean participating =
3004                conversation.getMode() == Conversational.MODE_SINGLE
3005                        || conversation.getMucOptions().participating();
3006        if (participating) {
3007            this.binding.textinput.setText(this.conversation.getNextMessage());
3008            this.binding.textinput.setSelection(this.binding.textinput.length());
3009        } else {
3010            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3011        }
3012        this.binding.textinput.setKeyboardListener(this);
3013        messageListAdapter.updatePreferences();
3014        refresh(false);
3015        activity.invalidateOptionsMenu();
3016        this.conversation.messagesLoaded.set(true);
3017        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3018
3019        if (hasExtras || scrolledToBottomAndNoPending) {
3020            resetUnreadMessagesCount();
3021            synchronized (this.messageList) {
3022                Log.d(Config.LOGTAG, "jump to first unread message");
3023                final Message first = conversation.getFirstUnreadMessage();
3024                final int bottom = Math.max(0, this.messageList.size() - 1);
3025                final int pos;
3026                final boolean jumpToBottom;
3027                if (first == null) {
3028                    pos = bottom;
3029                    jumpToBottom = true;
3030                } else {
3031                    int i = getIndexOf(first.getUuid(), this.messageList);
3032                    pos = i < 0 ? bottom : i;
3033                    jumpToBottom = false;
3034                }
3035                setSelection(pos, jumpToBottom);
3036            }
3037        }
3038
3039        this.binding.messagesView.post(this::fireReadEvent);
3040        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3041        // layout which might be unnecessary since we can *see* it
3042        activity.xmppConnectionService
3043                .getNotificationService()
3044                .setOpenConversation(this.conversation);
3045
3046        if (commandAdapter != null && conversation != originalConversation) {
3047            commandAdapter.clear();
3048            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3049            refreshCommands(false);
3050        }
3051        if (commandAdapter == null && conversation != null) {
3052            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3053            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3054            binding.commandsView.setAdapter(commandAdapter);
3055            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3056                if (activity == null) return;
3057
3058                final Element command = commandAdapter.getItem(position);
3059                activity.startCommand(ConversationFragment.this.conversation.getAccount(), command.getAttributeAsJid("jid"), command.getAttribute("node"));
3060            });
3061            refreshCommands(false);
3062        }
3063
3064        return true;
3065    }
3066
3067    public void refreshForNewCaps() {
3068        refreshCommands(true);
3069    }
3070
3071    protected void refreshCommands(boolean delayShow) {
3072        if (commandAdapter == null) return;
3073
3074        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3075        if (commandJid == null && conversation.getJid().isDomainJid()) {
3076            commandJid = conversation.getJid();
3077        }
3078        if (commandJid == null) {
3079            conversation.hideViewPager();
3080        } else {
3081            if (!delayShow) conversation.showViewPager();
3082            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3083            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (a, iq) -> {
3084                if (activity == null) return;
3085
3086                activity.runOnUiThread(() -> {
3087                    if (iq.getType() == IqPacket.TYPE.RESULT) {
3088                        binding.commandsViewProgressbar.setVisibility(View.GONE);
3089                        commandAdapter.clear();
3090                        for (Element child : iq.query().getChildren()) {
3091                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3092                            commandAdapter.add(child);
3093                        }
3094                    }
3095
3096                    if (commandAdapter.getCount() < 1) {
3097                        conversation.hideViewPager();
3098                    } else if (delayShow) {
3099                        conversation.showViewPager();
3100                    }
3101                });
3102            });
3103        }
3104    }
3105
3106    private void resetUnreadMessagesCount() {
3107        lastMessageUuid = null;
3108        hideUnreadMessagesCount();
3109    }
3110
3111    private void hideUnreadMessagesCount() {
3112        if (this.binding == null) {
3113            return;
3114        }
3115        this.binding.scrollToBottomButton.setEnabled(false);
3116        this.binding.scrollToBottomButton.hide();
3117        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3118    }
3119
3120    private void setSelection(int pos, boolean jumpToBottom) {
3121        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3122        this.binding.messagesView.post(
3123                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3124        this.binding.messagesView.post(this::fireReadEvent);
3125    }
3126
3127    private boolean scrolledToBottom() {
3128        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3129    }
3130
3131    private void processExtras(final Bundle extras) {
3132        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3133        final String text = extras.getString(Intent.EXTRA_TEXT);
3134        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3135        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3136        final String postInitAction =
3137                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3138        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3139        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3140        final boolean doNotAppend =
3141                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3142        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3143        final List<Uri> uris = extractUris(extras);
3144        if (uris != null && uris.size() > 0) {
3145            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3146                mediaPreviewAdapter.addMediaPreviews(
3147                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3148            } else {
3149                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3150                mediaPreviewAdapter.addMediaPreviews(
3151                        Attachment.of(getActivity(), cleanedUris, type));
3152            }
3153            toggleInputMethod();
3154            return;
3155        }
3156        if (nick != null) {
3157            if (pm) {
3158                Jid jid = conversation.getJid();
3159                try {
3160                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3161                    privateMessageWith(next);
3162                } catch (final IllegalArgumentException ignored) {
3163                    // do nothing
3164                }
3165            } else {
3166                final MucOptions mucOptions = conversation.getMucOptions();
3167                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3168                    highlightInConference(nick);
3169                }
3170            }
3171        } else {
3172            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3173                mediaPreviewAdapter.addMediaPreviews(
3174                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3175                toggleInputMethod();
3176                return;
3177            } else if (text != null && asQuote) {
3178                quoteText(text);
3179            } else {
3180                appendText(text, doNotAppend);
3181            }
3182        }
3183        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3184            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3185            return;
3186        }
3187        if ("call".equals(postInitAction)) {
3188            checkPermissionAndTriggerAudioCall();
3189        }
3190        if ("message".equals(postInitAction)) {
3191            binding.conversationViewPager.post(() -> {
3192                binding.conversationViewPager.setCurrentItem(0);
3193            });
3194        }
3195        if ("command".equals(postInitAction)) {
3196            binding.conversationViewPager.post(() -> {
3197                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3198                if (adapter != null && adapter.getCount() > 1) {
3199                    binding.conversationViewPager.setCurrentItem(1);
3200                }
3201                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3202                Jid commandJid = null;
3203                if (jid != null) {
3204                    try {
3205                        commandJid = Jid.of(jid);
3206                    } catch (final IllegalArgumentException e) { }
3207                }
3208                if (commandJid == null || !commandJid.isFullJid()) {
3209                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3210                    if (discoJid != null) commandJid = discoJid;
3211                }
3212                if (node != null && commandJid != null) {
3213                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3214                }
3215            });
3216            return;
3217        }
3218        final Message message =
3219                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3220        if ("webxdc".equals(postInitAction)) {
3221            if (message == null) return;
3222
3223            Cid webxdcCid = message.getFileParams().getCids().get(0);
3224            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3225            Conversation conversation = (Conversation) message.getConversation();
3226            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3227                conversation.startWebxdc(webxdc);
3228            }
3229        }
3230        if (message != null) {
3231            startDownloadable(message);
3232        }
3233        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3234            if (!conversation.switchToSession("jabber:iq:register")) {
3235                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3236            }
3237        }
3238    }
3239
3240    private Element commandFor(final Jid jid, final String node) {
3241        if (commandAdapter != null) {
3242            for (int i = 0; i < commandAdapter.getCount(); i++) {
3243                Element command = commandAdapter.getItem(i);
3244                final String commandNode = command.getAttribute("node");
3245                if (commandNode == null || !commandNode.equals(node)) continue;
3246
3247                final Jid commandJid = command.getAttributeAsJid("jid");
3248                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3249
3250                return command;
3251            }
3252        }
3253
3254        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3255    }
3256
3257    private List<Uri> extractUris(final Bundle extras) {
3258        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3259        if (uris != null) {
3260            return uris;
3261        }
3262        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3263        if (uri != null) {
3264            return Collections.singletonList(uri);
3265        } else {
3266            return null;
3267        }
3268    }
3269
3270    private List<Uri> cleanUris(final List<Uri> uris) {
3271        final Iterator<Uri> iterator = uris.iterator();
3272        while (iterator.hasNext()) {
3273            final Uri uri = iterator.next();
3274            if (FileBackend.weOwnFile(uri)) {
3275                iterator.remove();
3276                Toast.makeText(
3277                                getActivity(),
3278                                R.string.security_violation_not_attaching_file,
3279                                Toast.LENGTH_SHORT)
3280                        .show();
3281            }
3282        }
3283        return uris;
3284    }
3285
3286    private boolean showBlockSubmenu(View view) {
3287        final Jid jid = conversation.getJid();
3288        final boolean showReject =
3289                !conversation.isWithStranger()
3290                        && conversation
3291                                .getContact()
3292                                .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3293        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3294        popupMenu.inflate(R.menu.block);
3295        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3296        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3297        popupMenu.setOnMenuItemClickListener(
3298                menuItem -> {
3299                    Blockable blockable;
3300                    switch (menuItem.getItemId()) {
3301                        case R.id.reject:
3302                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3303                                    conversation.getContact());
3304                            updateSnackBar(conversation);
3305                            return true;
3306                        case R.id.block_domain:
3307                            blockable =
3308                                    conversation
3309                                            .getAccount()
3310                                            .getRoster()
3311                                            .getContact(jid.getDomain());
3312                            break;
3313                        default:
3314                            blockable = conversation;
3315                    }
3316                    BlockContactDialog.show(activity, blockable);
3317                    return true;
3318                });
3319        popupMenu.show();
3320        return true;
3321    }
3322
3323    private void updateSnackBar(final Conversation conversation) {
3324        final Account account = conversation.getAccount();
3325        final XmppConnection connection = account.getXmppConnection();
3326        final int mode = conversation.getMode();
3327        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3328        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3329            return;
3330        }
3331        if (account.getStatus() == Account.State.DISABLED) {
3332            showSnackbar(
3333                    R.string.this_account_is_disabled,
3334                    R.string.enable,
3335                    this.mEnableAccountListener);
3336        } else if (conversation.isBlocked()) {
3337            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3338        } else if (contact != null
3339                && !contact.showInRoster()
3340                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3341            showSnackbar(
3342                    R.string.contact_added_you,
3343                    R.string.add_back,
3344                    this.mAddBackClickListener,
3345                    this.mLongPressBlockListener);
3346        } else if (contact != null
3347                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3348            showSnackbar(
3349                    R.string.contact_asks_for_presence_subscription,
3350                    R.string.allow,
3351                    this.mAllowPresenceSubscription,
3352                    this.mLongPressBlockListener);
3353        } else if (mode == Conversation.MODE_MULTI
3354                && !conversation.getMucOptions().online()
3355                && account.getStatus() == Account.State.ONLINE) {
3356            switch (conversation.getMucOptions().getError()) {
3357                case NICK_IN_USE:
3358                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3359                    break;
3360                case NO_RESPONSE:
3361                    showSnackbar(R.string.joining_conference, 0, null);
3362                    break;
3363                case SERVER_NOT_FOUND:
3364                    if (conversation.receivedMessagesCount() > 0) {
3365                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3366                    } else {
3367                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3368                    }
3369                    break;
3370                case REMOTE_SERVER_TIMEOUT:
3371                    if (conversation.receivedMessagesCount() > 0) {
3372                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3373                    } else {
3374                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3375                    }
3376                    break;
3377                case PASSWORD_REQUIRED:
3378                    showSnackbar(
3379                            R.string.conference_requires_password,
3380                            R.string.enter_password,
3381                            enterPassword);
3382                    break;
3383                case BANNED:
3384                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3385                    break;
3386                case MEMBERS_ONLY:
3387                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3388                    break;
3389                case RESOURCE_CONSTRAINT:
3390                    showSnackbar(
3391                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3392                    break;
3393                case KICKED:
3394                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3395                    break;
3396                case TECHNICAL_PROBLEMS:
3397                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3398                    break;
3399                case UNKNOWN:
3400                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3401                    break;
3402                case INVALID_NICK:
3403                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3404                case SHUTDOWN:
3405                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3406                    break;
3407                case DESTROYED:
3408                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3409                    break;
3410                case NON_ANONYMOUS:
3411                    showSnackbar(
3412                            R.string.group_chat_will_make_your_jabber_id_public,
3413                            R.string.join,
3414                            acceptJoin);
3415                    break;
3416                default:
3417                    hideSnackbar();
3418                    break;
3419            }
3420        } else if (account.hasPendingPgpIntent(conversation)) {
3421            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3422        } else if (connection != null
3423                && connection.getFeatures().blocking()
3424                && conversation.countMessages() != 0
3425                && !conversation.isBlocked()
3426                && conversation.isWithStranger()) {
3427            showSnackbar(
3428                    R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
3429        } else {
3430            hideSnackbar();
3431        }
3432    }
3433
3434    @Override
3435    public void refresh() {
3436        if (this.binding == null) {
3437            Log.d(
3438                    Config.LOGTAG,
3439                    "ConversationFragment.refresh() skipped updated because view binding was null");
3440            return;
3441        }
3442        if (this.conversation != null
3443                && this.activity != null
3444                && this.activity.xmppConnectionService != null) {
3445            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3446                activity.onConversationArchived(this.conversation);
3447                return;
3448            }
3449        }
3450        this.refresh(true);
3451    }
3452
3453    private void refresh(boolean notifyConversationRead) {
3454        synchronized (this.messageList) {
3455            if (this.conversation != null) {
3456                conversation.populateWithMessages(this.messageList);
3457                updateSnackBar(conversation);
3458                updateStatusMessages();
3459                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3460                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3461                    binding.unreadCountCustomView.setUnreadCount(
3462                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3463                }
3464                this.messageListAdapter.notifyDataSetChanged();
3465                updateChatMsgHint();
3466                if (notifyConversationRead && activity != null) {
3467                    binding.messagesView.post(this::fireReadEvent);
3468                }
3469                updateSendButton();
3470                updateEditablity();
3471                conversation.refreshSessions();
3472            }
3473        }
3474    }
3475
3476    protected void messageSent() {
3477        setThread(null);
3478        conversation.setUserSelectedThread(false);
3479        mSendingPgpMessage.set(false);
3480        this.binding.textinput.setText("");
3481        if (conversation.setCorrectingMessage(null)) {
3482            this.binding.textinput.append(conversation.getDraftMessage());
3483            conversation.setDraftMessage(null);
3484        }
3485        storeNextMessage();
3486        updateChatMsgHint();
3487        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3488        final boolean prefScrollToBottom =
3489                p.getBoolean(
3490                        "scroll_to_bottom",
3491                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3492        if (prefScrollToBottom || scrolledToBottom()) {
3493            new Handler()
3494                    .post(
3495                            () -> {
3496                                int size = messageList.size();
3497                                this.binding.messagesView.setSelection(size - 1);
3498                            });
3499        }
3500    }
3501
3502    private boolean storeNextMessage() {
3503        return storeNextMessage(this.binding.textinput.getText().toString());
3504    }
3505
3506    private boolean storeNextMessage(String msg) {
3507        final boolean participating =
3508                conversation.getMode() == Conversational.MODE_SINGLE
3509                        || conversation.getMucOptions().participating();
3510        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3511                && participating
3512                && this.conversation.setNextMessage(msg)) {
3513            this.activity.xmppConnectionService.updateConversation(this.conversation);
3514            return true;
3515        }
3516        return false;
3517    }
3518
3519    public void doneSendingPgpMessage() {
3520        mSendingPgpMessage.set(false);
3521    }
3522
3523    public long getMaxHttpUploadSize(Conversation conversation) {
3524        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3525        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3526    }
3527
3528    private boolean canWrite() {
3529        return
3530                this.conversation.getMode() == Conversation.MODE_SINGLE
3531                        || this.conversation.getMucOptions().participating()
3532                        || this.conversation.getNextCounterpart() != null;
3533    }
3534
3535    private void updateEditablity() {
3536        boolean canWrite = canWrite();
3537        this.binding.textinput.setFocusable(canWrite);
3538        this.binding.textinput.setFocusableInTouchMode(canWrite);
3539        this.binding.textSendButton.setEnabled(canWrite);
3540        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3541        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3542        this.binding.textinput.setCursorVisible(canWrite);
3543        this.binding.textinput.setEnabled(canWrite);
3544    }
3545
3546    public void updateSendButton() {
3547        boolean hasAttachments =
3548                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3549        final Conversation c = this.conversation;
3550        final Presence.Status status;
3551        final String text =
3552                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3553        final SendButtonAction action;
3554        if (hasAttachments) {
3555            action = SendButtonAction.TEXT;
3556        } else {
3557            action = SendButtonTool.getAction(getActivity(), c, text);
3558        }
3559        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3560            if (activity != null
3561                    && activity.xmppConnectionService != null
3562                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3563                status = Presence.Status.OFFLINE;
3564            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3565                status = c.getContact().getShownStatus();
3566            } else {
3567                status =
3568                        c.getMucOptions().online()
3569                                ? Presence.Status.ONLINE
3570                                : Presence.Status.OFFLINE;
3571            }
3572        } else {
3573            status = Presence.Status.OFFLINE;
3574        }
3575        this.binding.textSendButton.setTag(action);
3576        final Activity activity = getActivity();
3577        if (activity != null) {
3578            this.binding.textSendButton.setImageResource(
3579                    SendButtonTool.getSendButtonImageResource(activity, action, status));
3580        }
3581
3582        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
3583        if (identiconWidth < 0) identiconWidth = params.width;
3584        if (hasAttachments || binding.textinput.getText().length() > 0) {
3585            binding.conversationViewPager.setCurrentItem(0);
3586            params.width = conversation.getThread() == null ? 0 : identiconWidth;
3587        } else {
3588            params.width = identiconWidth;
3589        }
3590        if (!canWrite()) params.width = 0;
3591        binding.threadIdenticonLayout.setLayoutParams(params);
3592    }
3593
3594    protected void updateStatusMessages() {
3595        DateSeparator.addAll(this.messageList);
3596        if (showLoadMoreMessages(conversation)) {
3597            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
3598        }
3599        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3600            ChatState state = conversation.getIncomingChatState();
3601            if (state == ChatState.COMPOSING) {
3602                this.messageList.add(
3603                        Message.createStatusMessage(
3604                                conversation,
3605                                getString(R.string.contact_is_typing, conversation.getName())));
3606            } else if (state == ChatState.PAUSED) {
3607                this.messageList.add(
3608                        Message.createStatusMessage(
3609                                conversation,
3610                                getString(
3611                                        R.string.contact_has_stopped_typing,
3612                                        conversation.getName())));
3613            } else {
3614                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3615                    final Message message = this.messageList.get(i);
3616                    if (message.getType() != Message.TYPE_STATUS) {
3617                        if (message.getStatus() == Message.STATUS_RECEIVED) {
3618                            return;
3619                        } else {
3620                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
3621                                this.messageList.add(
3622                                        i + 1,
3623                                        Message.createStatusMessage(
3624                                                conversation,
3625                                                getString(
3626                                                        R.string.contact_has_read_up_to_this_point,
3627                                                        conversation.getName())));
3628                                return;
3629                            }
3630                        }
3631                    }
3632                }
3633            }
3634        } else {
3635            final MucOptions mucOptions = conversation.getMucOptions();
3636            final List<MucOptions.User> allUsers = mucOptions.getUsers();
3637            final Set<ReadByMarker> addedMarkers = new HashSet<>();
3638            ChatState state = ChatState.COMPOSING;
3639            List<MucOptions.User> users =
3640                    conversation.getMucOptions().getUsersWithChatState(state, 5);
3641            if (users.size() == 0) {
3642                state = ChatState.PAUSED;
3643                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
3644            }
3645            if (mucOptions.isPrivateAndNonAnonymous()) {
3646                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3647                    final Set<ReadByMarker> markersForMessage =
3648                            messageList.get(i).getReadByMarkers();
3649                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
3650                    for (ReadByMarker marker : markersForMessage) {
3651                        if (!ReadByMarker.contains(marker, addedMarkers)) {
3652                            addedMarkers.add(
3653                                    marker); // may be put outside this condition. set should do
3654                                             // dedup anyway
3655                            MucOptions.User user = mucOptions.findUser(marker);
3656                            if (user != null && !users.contains(user)) {
3657                                shownMarkers.add(user);
3658                            }
3659                        }
3660                    }
3661                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
3662                    final Message statusMessage;
3663                    final int size = shownMarkers.size();
3664                    if (size > 1) {
3665                        final String body;
3666                        if (size <= 4) {
3667                            body =
3668                                    getString(
3669                                            R.string.contacts_have_read_up_to_this_point,
3670                                            UIHelper.concatNames(shownMarkers));
3671                        } else if (ReadByMarker.allUsersRepresented(
3672                                allUsers, markersForMessage, markerForSender)) {
3673                            body = getString(R.string.everyone_has_read_up_to_this_point);
3674                        } else {
3675                            body =
3676                                    getString(
3677                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
3678                                            UIHelper.concatNames(shownMarkers, 3),
3679                                            size - 3);
3680                        }
3681                        statusMessage = Message.createStatusMessage(conversation, body);
3682                        statusMessage.setCounterparts(shownMarkers);
3683                    } else if (size == 1) {
3684                        statusMessage =
3685                                Message.createStatusMessage(
3686                                        conversation,
3687                                        getString(
3688                                                R.string.contact_has_read_up_to_this_point,
3689                                                UIHelper.getDisplayName(shownMarkers.get(0))));
3690                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
3691                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
3692                    } else {
3693                        statusMessage = null;
3694                    }
3695                    if (statusMessage != null) {
3696                        this.messageList.add(i + 1, statusMessage);
3697                    }
3698                    addedMarkers.add(markerForSender);
3699                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
3700                        break;
3701                    }
3702                }
3703            }
3704            if (users.size() > 0) {
3705                Message statusMessage;
3706                if (users.size() == 1) {
3707                    MucOptions.User user = users.get(0);
3708                    int id =
3709                            state == ChatState.COMPOSING
3710                                    ? R.string.contact_is_typing
3711                                    : R.string.contact_has_stopped_typing;
3712                    statusMessage =
3713                            Message.createStatusMessage(
3714                                    conversation, getString(id, UIHelper.getDisplayName(user)));
3715                    statusMessage.setTrueCounterpart(user.getRealJid());
3716                    statusMessage.setCounterpart(user.getFullJid());
3717                } else {
3718                    int id =
3719                            state == ChatState.COMPOSING
3720                                    ? R.string.contacts_are_typing
3721                                    : R.string.contacts_have_stopped_typing;
3722                    statusMessage =
3723                            Message.createStatusMessage(
3724                                    conversation, getString(id, UIHelper.concatNames(users)));
3725                    statusMessage.setCounterparts(users);
3726                }
3727                this.messageList.add(statusMessage);
3728            }
3729        }
3730    }
3731
3732    private void stopScrolling() {
3733        long now = SystemClock.uptimeMillis();
3734        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
3735        binding.messagesView.dispatchTouchEvent(cancel);
3736    }
3737
3738    private boolean showLoadMoreMessages(final Conversation c) {
3739        if (activity == null || activity.xmppConnectionService == null) {
3740            return false;
3741        }
3742        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
3743        final MessageArchiveService service =
3744                activity.xmppConnectionService.getMessageArchiveService();
3745        return mam
3746                && (c.getLastClearHistory().getTimestamp() != 0
3747                        || (c.countMessages() == 0
3748                                && c.messagesLoaded.get()
3749                                && c.hasMessagesLeftOnServer()
3750                                && !service.queryInProgress(c)));
3751    }
3752
3753    private boolean hasMamSupport(final Conversation c) {
3754        if (c.getMode() == Conversation.MODE_SINGLE) {
3755            final XmppConnection connection = c.getAccount().getXmppConnection();
3756            return connection != null && connection.getFeatures().mam();
3757        } else {
3758            return c.getMucOptions().mamSupport();
3759        }
3760    }
3761
3762    protected void showSnackbar(
3763            final int message, final int action, final OnClickListener clickListener) {
3764        showSnackbar(message, action, clickListener, null);
3765    }
3766
3767    protected void showSnackbar(
3768            final int message,
3769            final int action,
3770            final OnClickListener clickListener,
3771            final View.OnLongClickListener longClickListener) {
3772        this.binding.snackbar.setVisibility(View.VISIBLE);
3773        this.binding.snackbar.setOnClickListener(null);
3774        this.binding.snackbarMessage.setText(message);
3775        this.binding.snackbarMessage.setOnClickListener(null);
3776        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
3777        if (action != 0) {
3778            this.binding.snackbarAction.setText(action);
3779        }
3780        this.binding.snackbarAction.setOnClickListener(clickListener);
3781        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
3782    }
3783
3784    protected void hideSnackbar() {
3785        this.binding.snackbar.setVisibility(View.GONE);
3786    }
3787
3788    protected void sendMessage(Message message) {
3789        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
3790        messageSent();
3791    }
3792
3793    protected void sendPgpMessage(final Message message) {
3794        final XmppConnectionService xmppService = activity.xmppConnectionService;
3795        final Contact contact = message.getConversation().getContact();
3796        if (!activity.hasPgp()) {
3797            activity.showInstallPgpDialog();
3798            return;
3799        }
3800        if (conversation.getAccount().getPgpSignature() == null) {
3801            activity.announcePgp(
3802                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
3803            return;
3804        }
3805        if (!mSendingPgpMessage.compareAndSet(false, true)) {
3806            Log.d(Config.LOGTAG, "sending pgp message already in progress");
3807        }
3808        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3809            if (contact.getPgpKeyId() != 0) {
3810                xmppService
3811                        .getPgpEngine()
3812                        .hasKey(
3813                                contact,
3814                                new UiCallback<Contact>() {
3815
3816                                    @Override
3817                                    public void userInputRequired(
3818                                            PendingIntent pi, Contact contact) {
3819                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
3820                                    }
3821
3822                                    @Override
3823                                    public void success(Contact contact) {
3824                                        encryptTextMessage(message);
3825                                    }
3826
3827                                    @Override
3828                                    public void error(int error, Contact contact) {
3829                                        activity.runOnUiThread(
3830                                                () ->
3831                                                        Toast.makeText(
3832                                                                        activity,
3833                                                                        R.string
3834                                                                                .unable_to_connect_to_keychain,
3835                                                                        Toast.LENGTH_SHORT)
3836                                                                .show());
3837                                        mSendingPgpMessage.set(false);
3838                                    }
3839                                });
3840
3841            } else {
3842                showNoPGPKeyDialog(
3843                        false,
3844                        (dialog, which) -> {
3845                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3846                            xmppService.updateConversation(conversation);
3847                            message.setEncryption(Message.ENCRYPTION_NONE);
3848                            xmppService.sendMessage(message);
3849                            messageSent();
3850                        });
3851            }
3852        } else {
3853            if (conversation.getMucOptions().pgpKeysInUse()) {
3854                if (!conversation.getMucOptions().everybodyHasKeys()) {
3855                    Toast warning =
3856                            Toast.makeText(
3857                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
3858                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
3859                    warning.show();
3860                }
3861                encryptTextMessage(message);
3862            } else {
3863                showNoPGPKeyDialog(
3864                        true,
3865                        (dialog, which) -> {
3866                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3867                            message.setEncryption(Message.ENCRYPTION_NONE);
3868                            xmppService.updateConversation(conversation);
3869                            xmppService.sendMessage(message);
3870                            messageSent();
3871                        });
3872            }
3873        }
3874    }
3875
3876    public void encryptTextMessage(Message message) {
3877        activity.xmppConnectionService
3878                .getPgpEngine()
3879                .encrypt(
3880                        message,
3881                        new UiCallback<Message>() {
3882
3883                            @Override
3884                            public void userInputRequired(PendingIntent pi, Message message) {
3885                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
3886                            }
3887
3888                            @Override
3889                            public void success(Message message) {
3890                                // TODO the following two call can be made before the callback
3891                                getActivity().runOnUiThread(() -> messageSent());
3892                            }
3893
3894                            @Override
3895                            public void error(final int error, Message message) {
3896                                getActivity()
3897                                        .runOnUiThread(
3898                                                () -> {
3899                                                    doneSendingPgpMessage();
3900                                                    Toast.makeText(
3901                                                                    getActivity(),
3902                                                                    error == 0
3903                                                                            ? R.string
3904                                                                                    .unable_to_connect_to_keychain
3905                                                                            : error,
3906                                                                    Toast.LENGTH_SHORT)
3907                                                            .show();
3908                                                });
3909                            }
3910                        });
3911    }
3912
3913    public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) {
3914        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
3915        builder.setIconAttribute(android.R.attr.alertDialogIcon);
3916        if (plural) {
3917            builder.setTitle(getString(R.string.no_pgp_keys));
3918            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
3919        } else {
3920            builder.setTitle(getString(R.string.no_pgp_key));
3921            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
3922        }
3923        builder.setNegativeButton(getString(R.string.cancel), null);
3924        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
3925        builder.create().show();
3926    }
3927
3928    public void appendText(String text, final boolean doNotAppend) {
3929        if (text == null) {
3930            return;
3931        }
3932        final Editable editable = this.binding.textinput.getText();
3933        String previous = editable == null ? "" : editable.toString();
3934        if (doNotAppend && !TextUtils.isEmpty(previous)) {
3935            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
3936                    .show();
3937            return;
3938        }
3939        if (UIHelper.isLastLineQuote(previous)) {
3940            text = '\n' + text;
3941        } else if (previous.length() != 0
3942                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
3943            text = " " + text;
3944        }
3945        this.binding.textinput.append(text);
3946    }
3947
3948    @Override
3949    public boolean onEnterPressed(final boolean isCtrlPressed) {
3950        if (isCtrlPressed || enterIsSend()) {
3951            sendMessage();
3952            return true;
3953        }
3954        return false;
3955    }
3956
3957    private boolean enterIsSend() {
3958        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
3959        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
3960    }
3961
3962    public boolean onArrowUpCtrlPressed() {
3963        final Message lastEditableMessage =
3964                conversation == null ? null : conversation.getLastEditableMessage();
3965        if (lastEditableMessage != null) {
3966            correctMessage(lastEditableMessage);
3967            return true;
3968        } else {
3969            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
3970                    .show();
3971            return false;
3972        }
3973    }
3974
3975    @Override
3976    public void onTypingStarted() {
3977        final XmppConnectionService service =
3978                activity == null ? null : activity.xmppConnectionService;
3979        if (service == null) {
3980            return;
3981        }
3982        final Account.State status = conversation.getAccount().getStatus();
3983        if (status == Account.State.ONLINE
3984                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
3985            service.sendChatState(conversation);
3986        }
3987        runOnUiThread(this::updateSendButton);
3988    }
3989
3990    @Override
3991    public void onTypingStopped() {
3992        final XmppConnectionService service =
3993                activity == null ? null : activity.xmppConnectionService;
3994        if (service == null) {
3995            return;
3996        }
3997        final Account.State status = conversation.getAccount().getStatus();
3998        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
3999            service.sendChatState(conversation);
4000        }
4001    }
4002
4003    @Override
4004    public void onTextDeleted() {
4005        final XmppConnectionService service =
4006                activity == null ? null : activity.xmppConnectionService;
4007        if (service == null) {
4008            return;
4009        }
4010        final Account.State status = conversation.getAccount().getStatus();
4011        if (status == Account.State.ONLINE
4012                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4013            service.sendChatState(conversation);
4014        }
4015        if (storeNextMessage()) {
4016            runOnUiThread(
4017                    () -> {
4018                        if (activity == null) {
4019                            return;
4020                        }
4021                        activity.onConversationsListItemUpdated();
4022                    });
4023        }
4024        runOnUiThread(this::updateSendButton);
4025    }
4026
4027    @Override
4028    public void onTextChanged() {
4029        if (conversation != null && conversation.getCorrectingMessage() != null) {
4030            runOnUiThread(this::updateSendButton);
4031        }
4032    }
4033
4034    @Override
4035    public boolean onTabPressed(boolean repeated) {
4036        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4037            return false;
4038        }
4039        if (repeated) {
4040            completionIndex++;
4041        } else {
4042            lastCompletionLength = 0;
4043            completionIndex = 0;
4044            final String content = this.binding.textinput.getText().toString();
4045            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4046            int start =
4047                    lastCompletionCursor > 0
4048                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4049                            : 0;
4050            firstWord = start == 0;
4051            incomplete = content.substring(start, lastCompletionCursor);
4052        }
4053        List<String> completions = new ArrayList<>();
4054        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4055            String name = user.getNick();
4056            if (name != null && name.startsWith(incomplete)) {
4057                completions.add(name + (firstWord ? ": " : " "));
4058            }
4059        }
4060        Collections.sort(completions);
4061        if (completions.size() > completionIndex) {
4062            String completion = completions.get(completionIndex).substring(incomplete.length());
4063            this.binding
4064                    .textinput
4065                    .getEditableText()
4066                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4067            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4068            lastCompletionLength = completion.length();
4069        } else {
4070            completionIndex = -1;
4071            this.binding
4072                    .textinput
4073                    .getEditableText()
4074                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4075            lastCompletionLength = 0;
4076        }
4077        return true;
4078    }
4079
4080    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4081        try {
4082            getActivity()
4083                    .startIntentSenderForResult(
4084                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
4085        } catch (final SendIntentException ignored) {
4086        }
4087    }
4088
4089    @Override
4090    public void onBackendConnected() {
4091        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4092        setupEmojiSearch();
4093        String uuid = pendingConversationsUuid.pop();
4094        if (uuid != null) {
4095            if (!findAndReInitByUuidOrArchive(uuid)) {
4096                return;
4097            }
4098        } else {
4099            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4100                clearPending();
4101                activity.onConversationArchived(conversation);
4102                return;
4103            }
4104        }
4105        ActivityResult activityResult = postponedActivityResult.pop();
4106        if (activityResult != null) {
4107            handleActivityResult(activityResult);
4108        }
4109        clearPending();
4110    }
4111
4112    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4113        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4114        if (conversation == null) {
4115            clearPending();
4116            activity.onConversationArchived(null);
4117            return false;
4118        }
4119        reInit(conversation);
4120        ScrollState scrollState = pendingScrollState.pop();
4121        String lastMessageUuid = pendingLastMessageUuid.pop();
4122        List<Attachment> attachments = pendingMediaPreviews.pop();
4123        if (scrollState != null) {
4124            setScrollPosition(scrollState, lastMessageUuid);
4125        }
4126        if (attachments != null && attachments.size() > 0) {
4127            Log.d(Config.LOGTAG, "had attachments on restore");
4128            mediaPreviewAdapter.addMediaPreviews(attachments);
4129            toggleInputMethod();
4130        }
4131        return true;
4132    }
4133
4134    private void clearPending() {
4135        if (postponedActivityResult.clear()) {
4136            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4137            if (pendingTakePhotoUri.clear()) {
4138                Log.e(Config.LOGTAG, "cleared pending photo uri");
4139            }
4140        }
4141        if (pendingScrollState.clear()) {
4142            Log.e(Config.LOGTAG, "cleared scroll state");
4143        }
4144        if (pendingConversationsUuid.clear()) {
4145            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4146        }
4147        if (pendingMediaPreviews.clear()) {
4148            Log.e(Config.LOGTAG, "cleared pending media previews");
4149        }
4150    }
4151
4152    public Conversation getConversation() {
4153        return conversation;
4154    }
4155
4156    @Override
4157    public void onContactPictureLongClicked(View v, final Message message) {
4158        final String fingerprint;
4159        if (message.getEncryption() == Message.ENCRYPTION_PGP
4160                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4161            fingerprint = "pgp";
4162        } else {
4163            fingerprint = message.getFingerprint();
4164        }
4165        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4166        final Contact contact = message.getContact();
4167        if (message.getStatus() <= Message.STATUS_RECEIVED
4168                && (contact == null || !contact.isSelf())) {
4169            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4170                final Jid cp = message.getCounterpart();
4171                if (cp == null || cp.isBareJid()) {
4172                    return;
4173                }
4174                final Jid tcp = message.getTrueCounterpart();
4175                final User userByRealJid =
4176                        tcp != null
4177                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp)
4178                                : null;
4179                final User user =
4180                        userByRealJid != null
4181                                ? userByRealJid
4182                                : conversation.getMucOptions().findUserByFullJid(cp);
4183                if (user == null) return;
4184                popupMenu.inflate(R.menu.muc_details_context);
4185                final Menu menu = popupMenu.getMenu();
4186                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4187                        activity, menu, conversation, user);
4188                popupMenu.setOnMenuItemClickListener(
4189                        menuItem ->
4190                                MucDetailsContextMenuHelper.onContextItemSelected(
4191                                        menuItem, user, activity, fingerprint));
4192            } else {
4193                popupMenu.inflate(R.menu.one_on_one_context);
4194                popupMenu.setOnMenuItemClickListener(
4195                        item -> {
4196                            switch (item.getItemId()) {
4197                                case R.id.action_contact_details:
4198                                    activity.switchToContactDetails(
4199                                            message.getContact(), fingerprint);
4200                                    break;
4201                                case R.id.action_show_qr_code:
4202                                    activity.showQrCode(
4203                                            "xmpp:"
4204                                                    + message.getContact()
4205                                                            .getJid()
4206                                                            .asBareJid()
4207                                                            .toEscapedString());
4208                                    break;
4209                            }
4210                            return true;
4211                        });
4212            }
4213        } else {
4214            popupMenu.inflate(R.menu.account_context);
4215            final Menu menu = popupMenu.getMenu();
4216            menu.findItem(R.id.action_manage_accounts)
4217                    .setVisible(QuickConversationsService.isConversations());
4218            popupMenu.setOnMenuItemClickListener(
4219                    item -> {
4220                        final XmppActivity activity = this.activity;
4221                        if (activity == null) {
4222                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4223                            return true;
4224                        }
4225                        switch (item.getItemId()) {
4226                            case R.id.action_show_qr_code:
4227                                activity.showQrCode(conversation.getAccount().getShareableUri());
4228                                break;
4229                            case R.id.action_account_details:
4230                                activity.switchToAccount(
4231                                        message.getConversation().getAccount(), fingerprint);
4232                                break;
4233                            case R.id.action_manage_accounts:
4234                                AccountUtils.launchManageAccounts(activity);
4235                                break;
4236                        }
4237                        return true;
4238                    });
4239        }
4240        popupMenu.show();
4241    }
4242
4243    @Override
4244    public void onContactPictureClicked(Message message) {
4245        setThread(message.getThread());
4246        if (message.isPrivateMessage()) {
4247            privateMessageWith(message.getCounterpart());
4248            return;
4249        }
4250        forkNullThread(message);
4251        conversation.setUserSelectedThread(true);
4252
4253        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4254        if (received) {
4255            if (message.getConversation() instanceof Conversation
4256                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4257                Jid tcp = message.getTrueCounterpart();
4258                Jid user = message.getCounterpart();
4259                if (user != null && !user.isBareJid()) {
4260                    final MucOptions mucOptions =
4261                            ((Conversation) message.getConversation()).getMucOptions();
4262                    if (mucOptions.participating()
4263                            || ((Conversation) message.getConversation()).getNextCounterpart()
4264                                    != null) {
4265                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4266                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4267                        if (mucUser == null && tcpMucUser == null) {
4268                            Toast.makeText(
4269                                            getActivity(),
4270                                            activity.getString(
4271                                                    R.string.user_has_left_conference,
4272                                                    user.getResource()),
4273                                            Toast.LENGTH_SHORT)
4274                                    .show();
4275                        }
4276                        highlightInConference(mucUser == null ? (tcpMucUser == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4277                    } else {
4278                        Toast.makeText(
4279                                        getActivity(),
4280                                        R.string.you_are_not_participating,
4281                                        Toast.LENGTH_SHORT)
4282                                .show();
4283                    }
4284                }
4285            }
4286        }
4287    }
4288
4289    private Activity requireActivity() {
4290        final Activity activity = getActivity();
4291        if (activity == null) {
4292            throw new IllegalStateException("Activity not attached");
4293        }
4294        return activity;
4295    }
4296}