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(activity, conversation));
1044            activity.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 (activity != null && activity.xmppConnectionService != null) {
1464            if (!activity.xmppConnectionService.getBooleanPreference("message_autocomplete", R.bool.message_autocomplete)) {
1465                emojiSearch = null;
1466                if (emojiSearchBinding != null) emojiSearchBinding.emoji.setAdapter(null);
1467                return;
1468            }
1469            if (emojiSearch == null) {
1470                emojiSearch = activity.xmppConnectionService.emojiSearch();
1471            }
1472        }
1473        if (emojiSearch == null || emojiSearchBinding == null) return;
1474
1475        emojiSearchBinding.emoji.setAdapter(emojiSearch.makeAdapter(activity));
1476    }
1477
1478    protected void newThreadTutorialToast(String s) {
1479        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1480        final int tutorialCount = p.getInt("thread_tutorial", 0);
1481        if (tutorialCount < 5) {
1482            Toast.makeText(activity, s, Toast.LENGTH_SHORT).show();
1483            p.edit().putInt("thread_tutorial", tutorialCount + 1).apply();
1484        }
1485    }
1486
1487    @Override
1488    public void onDestroyView() {
1489        super.onDestroyView();
1490        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1491        messageListAdapter.setOnContactPictureClicked(null);
1492        messageListAdapter.setOnContactPictureLongClicked(null);
1493        messageListAdapter.setOnInlineImageLongClicked(null);
1494        messageListAdapter.setConversationFragment(null);
1495        binding.conversationViewPager.setAdapter(null);
1496        if (conversation != null) conversation.setupViewPager(null, null, false, null);
1497    }
1498
1499    public void quoteText(String text) {
1500        if (binding.textinput.isEnabled()) {
1501            binding.textinput.insertAsQuote(text);
1502            binding.textinput.requestFocus();
1503            InputMethodManager inputMethodManager =
1504                    (InputMethodManager)
1505                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1506            if (inputMethodManager != null) {
1507                inputMethodManager.showSoftInput(
1508                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1509            }
1510        }
1511    }
1512
1513    private void quoteMessage(Message message) {
1514        if (message.isPrivateMessage()) privateMessageWith(message.getCounterpart());
1515        setThread(message.getThread());
1516        conversation.setUserSelectedThread(true);
1517        if (!forkNullThread(message)) newThread();
1518        setupReply(message);
1519    }
1520
1521    private boolean forkNullThread(Message message) {
1522        if (message.getThread() != null || conversation.getMode() != Conversation.MODE_MULTI) return true;
1523        for (final Message m : conversation.findReplies(message.getServerMsgId())) {
1524            final Element thread = m.getThread();
1525            if (thread != null) {
1526                setThread(thread);
1527                return true;
1528            }
1529        }
1530
1531        return false;
1532    }
1533
1534    private void setupReply(Message message) {
1535        conversation.setReplyTo(message);
1536        if (message == null) {
1537            binding.contextPreview.setVisibility(View.GONE);
1538            return;
1539        }
1540
1541        SpannableStringBuilder body = message.getSpannableBody(null, null);
1542        if (message.isFileOrImage() || message.isOOb()) body.append(" 🖼️");
1543        messageListAdapter.handleTextQuotes(body, activity.isDarkTheme());
1544        binding.contextPreviewText.setText(body);
1545        binding.contextPreview.setVisibility(View.VISIBLE);
1546    }
1547
1548    private void setThread(Element thread) {
1549        this.conversation.setThread(thread);
1550        binding.threadIdenticon.setAlpha(0f);
1551        binding.threadIdenticonLock.setVisibility(this.conversation.getLockThread() ? View.VISIBLE : View.GONE);
1552        if (thread != null) {
1553            final String threadId = thread.getContent();
1554            if (threadId != null) {
1555                binding.threadIdenticon.setAlpha(1f);
1556                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1557                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1558            }
1559        }
1560        updateSendButton();
1561    }
1562
1563    @Override
1564    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1565        // This should cancel any remaining click events that would otherwise trigger links
1566        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1567
1568        if (v == binding.textSendButton) {
1569            super.onCreateContextMenu(menu, v, menuInfo);
1570            try {
1571                java.lang.reflect.Method m = menu.getClass().getSuperclass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
1572                m.setAccessible(true);
1573                m.invoke(menu, true);
1574            } catch (Exception e) {
1575                e.printStackTrace();
1576            }
1577            Menu tmpMenu = new PopupMenu(activity, null).getMenu();
1578            activity.getMenuInflater().inflate(R.menu.fragment_conversation, tmpMenu);
1579            MenuItem attachMenu = tmpMenu.findItem(R.id.action_attach_file);
1580            for (int i = 0; i < attachMenu.getSubMenu().size(); i++) {
1581                MenuItem item = attachMenu.getSubMenu().getItem(i);
1582                MenuItem newItem = menu.add(item.getGroupId(), item.getItemId(), item.getOrder(), item.getTitle());
1583                newItem.setIcon(item.getIcon());
1584            }
1585            return;
1586        }
1587
1588        synchronized (this.messageList) {
1589            super.onCreateContextMenu(menu, v, menuInfo);
1590            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1591            this.selectedMessage = this.messageList.get(acmi.position);
1592            populateContextMenu(menu);
1593        }
1594    }
1595
1596    private void populateContextMenu(ContextMenu menu) {
1597        final Message m = this.selectedMessage;
1598        final Transferable t = m.getTransferable();
1599        Message relevantForCorrection = m;
1600        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1601            relevantForCorrection = relevantForCorrection.next();
1602        }
1603        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1604
1605            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1606                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1607                return;
1608            }
1609
1610            if (m.getStatus() == Message.STATUS_RECEIVED
1611                    && t != null
1612                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1613                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1614                return;
1615            }
1616
1617            final boolean deleted = m.isDeleted();
1618            final boolean encrypted =
1619                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1620                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1621            final boolean receiving =
1622                    m.getStatus() == Message.STATUS_RECEIVED
1623                            && (t instanceof JingleFileTransferConnection
1624                                    || t instanceof HttpDownloadConnection);
1625            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1626            MenuItem openWith = menu.findItem(R.id.open_with);
1627            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1628            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1629            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1630            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1631            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1632            MenuItem moderateMessage = menu.findItem(R.id.moderate_message);
1633            MenuItem onlyThisThread = menu.findItem(R.id.only_this_thread);
1634            MenuItem shareWith = menu.findItem(R.id.share_with);
1635            MenuItem sendAgain = menu.findItem(R.id.send_again);
1636            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1637            MenuItem saveAsSticker = menu.findItem(R.id.save_as_sticker);
1638            MenuItem downloadFile = menu.findItem(R.id.download_file);
1639            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1640            MenuItem blockMedia = menu.findItem(R.id.block_media);
1641            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1642            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1643            onlyThisThread.setVisible(!conversation.getLockThread() && m.getThread() != null);
1644            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1645            final boolean showError =
1646                    m.getStatus() == Message.STATUS_SEND_FAILED
1647                            && m.getErrorMessage() != null
1648                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1649            if (!encrypted && !m.getBody().equals("")) {
1650                copyMessage.setVisible(true);
1651            }
1652            quoteMessage.setVisible(!encrypted && !showError);
1653            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1654                retryDecryption.setVisible(true);
1655            }
1656            if (!showError
1657                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1658                    && !m.isGeoUri()
1659                    && relevantForCorrection.isLastCorrectableMessage()
1660                    && m.getConversation() instanceof Conversation) {
1661                correctMessage.setVisible(true);
1662                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1663            }
1664            if (relevantForCorrection.getReactions() != null) {
1665                correctMessage.setVisible(false);
1666                retractMessage.setVisible(true);
1667            }
1668            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")) {
1669                moderateMessage.setVisible(true);
1670            }
1671            if ((m.isFileOrImage() && !deleted && !receiving)
1672                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1673                            && !unInitiatedButKnownSize
1674                            && t == null) {
1675                shareWith.setVisible(true);
1676            }
1677            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1678                sendAgain.setVisible(true);
1679            }
1680            if (m.hasFileOnRemoteHost()
1681                    || m.isGeoUri()
1682                    || m.treatAsDownloadable()
1683                    || unInitiatedButKnownSize
1684                    || t instanceof HttpDownloadConnection) {
1685                copyUrl.setVisible(true);
1686            }
1687            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1688                downloadFile.setVisible(true);
1689                downloadFile.setTitle(
1690                        activity.getString(
1691                                R.string.download_x_file,
1692                                UIHelper.getFileDescriptionString(activity, m)));
1693            }
1694            final boolean waitingOfferedSending =
1695                    m.getStatus() == Message.STATUS_WAITING
1696                            || m.getStatus() == Message.STATUS_UNSEND
1697                            || m.getStatus() == Message.STATUS_OFFERED;
1698            final boolean cancelable =
1699                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1700            if (cancelable) {
1701                cancelTransmission.setVisible(true);
1702            }
1703            if (m.isFileOrImage() && !deleted && !cancelable) {
1704                final String path = m.getRelativeFilePath();
1705                if (path == null
1706                        || !path.startsWith("/")
1707                        || FileBackend.inConversationsDirectory(requireActivity(), path)) {
1708                    saveAsSticker.setVisible(true);
1709                    blockMedia.setVisible(true);
1710                    deleteFile.setVisible(true);
1711                    deleteFile.setTitle(
1712                            activity.getString(
1713                                    R.string.delete_x_file,
1714                                    UIHelper.getFileDescriptionString(activity, m)));
1715                }
1716            }
1717
1718            if (m.getFileParams() != null && !m.getFileParams().getThumbnails().isEmpty()) {
1719                // We might be showing a thumbnail worth blocking
1720                blockMedia.setVisible(true);
1721            }
1722            if (showError) {
1723                showErrorMessage.setVisible(true);
1724            }
1725            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1726            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1727                    || (mime != null && mime.startsWith("audio/"))) {
1728                openWith.setVisible(true);
1729            }
1730        }
1731    }
1732
1733    @Override
1734    public boolean onContextItemSelected(MenuItem item) {
1735        switch (item.getItemId()) {
1736            case R.id.share_with:
1737                ShareUtil.share(activity, selectedMessage);
1738                return true;
1739            case R.id.correct_message:
1740                correctMessage(selectedMessage);
1741                return true;
1742            case R.id.retract_message:
1743                new AlertDialog.Builder(activity)
1744                    .setTitle(R.string.retract_message)
1745                    .setMessage("Do you really want to retract this message?")
1746                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1747                        Message message = selectedMessage;
1748                        while (message.mergeable(message.next())) {
1749                            message = message.next();
1750                        }
1751                        Element reactions = message.getReactions();
1752                        if (reactions != null) {
1753                            final Message previousReaction = conversation.findMessageReactingTo(reactions.getAttribute("id"), null);
1754                            if (previousReaction != null) reactions = previousReaction.getReactions();
1755                            for (Element el : reactions.getChildren()) {
1756                                if (message.getQuoteableBody().endsWith(el.getContent())) {
1757                                    reactions.removeChild(el);
1758                                }
1759                            }
1760                            message.setReactions(reactions);
1761                            if (previousReaction != null) {
1762                                previousReaction.setReactions(reactions);
1763                                activity.xmppConnectionService.updateMessage(previousReaction);
1764                            }
1765                        }
1766                        message.setBody(" ");
1767                        message.putEdited(message.getUuid(), message.getServerMsgId());
1768                        message.setServerMsgId(null);
1769                        message.setUuid(UUID.randomUUID().toString());
1770                        sendMessage(message);
1771                    })
1772                    .setNegativeButton(R.string.no, null).show();
1773                return true;
1774            case R.id.moderate_message:
1775                activity.quickEdit("Spam", (reason) -> {
1776                    Message message = selectedMessage;
1777                    do {
1778                        activity.xmppConnectionService.moderateMessage(conversation.getAccount(), message, reason);
1779                        message = message.mergeable(message.next()) ? message.next() : null;
1780                    } while (message != null);
1781                    return null;
1782                }, R.string.moderate_reason, false, false, true);
1783                return true;
1784            case R.id.copy_message:
1785                ShareUtil.copyToClipboard(activity, selectedMessage);
1786                return true;
1787            case R.id.quote_message:
1788                quoteMessage(selectedMessage);
1789                return true;
1790            case R.id.send_again:
1791                resendMessage(selectedMessage);
1792                return true;
1793            case R.id.copy_url:
1794                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1795                return true;
1796            case R.id.save_as_sticker:
1797                saveAsSticker(selectedMessage);
1798                return true;
1799            case R.id.download_file:
1800                startDownloadable(selectedMessage);
1801                return true;
1802            case R.id.cancel_transmission:
1803                cancelTransmission(selectedMessage);
1804                return true;
1805            case R.id.retry_decryption:
1806                retryDecryption(selectedMessage);
1807                return true;
1808            case R.id.block_media:
1809                new AlertDialog.Builder(activity)
1810                    .setTitle(R.string.block_media)
1811                    .setMessage("Do you really want to block this media in all messages?")
1812                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1813                        List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
1814                        if (thumbs != null && !thumbs.isEmpty()) {
1815                            for (Element thumb : thumbs) {
1816                                Uri uri = Uri.parse(thumb.getAttribute("uri"));
1817                                if (uri.getScheme().equals("cid")) {
1818                                    Cid cid = BobTransfer.cid(uri);
1819                                    if (cid == null) continue;
1820                                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
1821                                    activity.xmppConnectionService.blockMedia(f);
1822                                    activity.xmppConnectionService.evictPreview(f);
1823                                    f.delete();
1824                                }
1825                            }
1826                        }
1827                        File f = activity.xmppConnectionService.getFileBackend().getFile(selectedMessage);
1828                        activity.xmppConnectionService.blockMedia(f);
1829                        activity.xmppConnectionService.getFileBackend().deleteFile(selectedMessage);
1830                        activity.xmppConnectionService.evictPreview(f);
1831                        activity.xmppConnectionService.updateMessage(selectedMessage, false);
1832                        activity.onConversationsListItemUpdated();
1833                        refresh();
1834                    })
1835                    .setNegativeButton(R.string.no, null).show();
1836                return true;
1837            case R.id.delete_file:
1838                deleteFile(selectedMessage);
1839                return true;
1840            case R.id.show_error_message:
1841                showErrorMessage(selectedMessage);
1842                return true;
1843            case R.id.open_with:
1844                openWith(selectedMessage);
1845                return true;
1846            case R.id.only_this_thread:
1847                conversation.setLockThread(true);
1848                backPressedLeaveSingleThread.setEnabled(true);
1849                setThread(selectedMessage.getThread());
1850                refresh();
1851                return true;
1852            default:
1853                return onOptionsItemSelected(item);
1854        }
1855    }
1856
1857    @Override
1858    public boolean onOptionsItemSelected(final MenuItem item) {
1859        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1860            return false;
1861        } else if (conversation == null) {
1862            return super.onOptionsItemSelected(item);
1863        }
1864        switch (item.getItemId()) {
1865            case R.id.encryption_choice_axolotl:
1866            case R.id.encryption_choice_pgp:
1867            case R.id.encryption_choice_none:
1868                handleEncryptionSelection(item);
1869                break;
1870            case R.id.attach_choose_picture:
1871            case R.id.attach_take_picture:
1872            case R.id.attach_record_video:
1873            case R.id.attach_choose_file:
1874            case R.id.attach_record_voice:
1875            case R.id.attach_location:
1876                handleAttachmentSelection(item);
1877                break;
1878            case R.id.action_search:
1879                startSearch();
1880                break;
1881            case R.id.action_archive:
1882                activity.xmppConnectionService.archiveConversation(conversation);
1883                break;
1884            case R.id.action_contact_details:
1885                activity.switchToContactDetails(conversation.getContact());
1886                break;
1887            case R.id.action_muc_details:
1888                ConferenceDetailsActivity.open(activity, conversation);
1889                break;
1890            case R.id.action_invite:
1891                startActivityForResult(
1892                        ChooseContactActivity.create(activity, conversation),
1893                        REQUEST_INVITE_TO_CONVERSATION);
1894                break;
1895            case R.id.action_clear_history:
1896                clearHistoryDialog(conversation);
1897                break;
1898            case R.id.action_mute:
1899                muteConversationDialog(conversation);
1900                break;
1901            case R.id.action_unmute:
1902                unMuteConversation(conversation);
1903                break;
1904            case R.id.action_block:
1905            case R.id.action_unblock:
1906                final Activity activity = getActivity();
1907                if (activity instanceof XmppActivity) {
1908                    BlockContactDialog.show((XmppActivity) activity, conversation);
1909                }
1910                break;
1911            case R.id.action_audio_call:
1912                checkPermissionAndTriggerAudioCall();
1913                break;
1914            case R.id.action_video_call:
1915                checkPermissionAndTriggerVideoCall();
1916                break;
1917            case R.id.action_ongoing_call:
1918                returnToOngoingCall();
1919                break;
1920            case R.id.action_toggle_pinned:
1921                togglePinned();
1922                break;
1923            case R.id.action_add_shortcut:
1924                addShortcut();
1925                break;
1926            case R.id.action_refresh_feature_discovery:
1927                refreshFeatureDiscovery();
1928                break;
1929            default:
1930                break;
1931        }
1932        return super.onOptionsItemSelected(item);
1933    }
1934
1935    public boolean onBackPressed() {
1936        boolean wasLocked = conversation.getLockThread();
1937        conversation.setLockThread(false);
1938        backPressedLeaveSingleThread.setEnabled(false);
1939        if (wasLocked) {
1940            setThread(null);
1941            conversation.setUserSelectedThread(false);
1942            refresh();
1943            updateThreadFromLastMessage();
1944            return true;
1945        }
1946        return false;
1947    }
1948
1949    private void startSearch() {
1950        final Intent intent = new Intent(getActivity(), SearchActivity.class);
1951        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
1952        startActivity(intent);
1953    }
1954
1955    private void returnToOngoingCall() {
1956        final Optional<OngoingRtpSession> ongoingRtpSession =
1957                activity.xmppConnectionService
1958                        .getJingleConnectionManager()
1959                        .getOngoingRtpConnection(conversation.getContact());
1960        if (ongoingRtpSession.isPresent()) {
1961            final OngoingRtpSession id = ongoingRtpSession.get();
1962            final Intent intent = new Intent(activity, RtpSessionActivity.class);
1963            intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.getAccount().getJid().asBareJid().toEscapedString());
1964            intent.putExtra(
1965                    RtpSessionActivity.EXTRA_ACCOUNT,
1966                    id.getAccount().getJid().asBareJid().toEscapedString());
1967            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
1968            if (id instanceof AbstractJingleConnection.Id) {
1969                intent.setAction(Intent.ACTION_VIEW);
1970                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
1971            } else if (id instanceof JingleConnectionManager.RtpSessionProposal) {
1972                if (((JingleConnectionManager.RtpSessionProposal) id).media.contains(Media.VIDEO)) {
1973                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1974                } else {
1975                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1976                }
1977            }
1978            activity.startActivity(intent);
1979        }
1980    }
1981
1982    private void refreshFeatureDiscovery() {
1983        Set<Map.Entry<String, Presence>> presences = conversation.getContact().getPresences().getPresencesMap().entrySet();
1984        if (presences.isEmpty()) {
1985            presences = new HashSet<>();
1986            presences.add(new AbstractMap.SimpleEntry("", null));
1987        }
1988        for (Map.Entry<String, Presence> entry : presences) {
1989            Jid jid = conversation.getContact().getJid();
1990            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
1991            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
1992                if (activity == null) return;
1993                activity.runOnUiThread(() -> {
1994                    refresh();
1995                    refreshCommands(true);
1996                });
1997            });
1998        }
1999    }
2000
2001    private void addShortcut() {
2002        ShortcutInfoCompat info;
2003        if (conversation.getMode() == Conversation.MODE_MULTI) {
2004            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getMucOptions());
2005        } else {
2006            info = activity.xmppConnectionService.getShortcutService().getShortcutInfoCompat(conversation.getContact());
2007        }
2008        ShortcutManagerCompat.requestPinShortcut(activity, info, null);
2009    }
2010
2011    private void togglePinned() {
2012        final boolean pinned =
2013                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
2014        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
2015        activity.xmppConnectionService.updateConversation(conversation);
2016        activity.invalidateOptionsMenu();
2017    }
2018
2019    private void checkPermissionAndTriggerAudioCall() {
2020        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2021            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2022            return;
2023        }
2024        final List<String> permissions;
2025        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2026            permissions =
2027                    Arrays.asList(
2028                            Manifest.permission.RECORD_AUDIO,
2029                            Manifest.permission.BLUETOOTH_CONNECT);
2030        } else {
2031            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
2032        }
2033        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
2034            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2035        }
2036    }
2037
2038    private void checkPermissionAndTriggerVideoCall() {
2039        if (activity.mUseTor || conversation.getAccount().isOnion()) {
2040            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
2041            return;
2042        }
2043        final List<String> permissions;
2044        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
2045            permissions =
2046                    Arrays.asList(
2047                            Manifest.permission.RECORD_AUDIO,
2048                            Manifest.permission.CAMERA,
2049                            Manifest.permission.BLUETOOTH_CONNECT);
2050        } else {
2051            permissions =
2052                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
2053        }
2054        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
2055            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2056        }
2057    }
2058
2059    private void triggerRtpSession(final String action) {
2060        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy() != null) {
2061            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
2062                    .show();
2063            return;
2064        }
2065        final Contact contact = conversation.getContact();
2066        if (contact.getPresences().anySupport(Namespace.JINGLE_MESSAGE)) {
2067            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
2068        } else {
2069            final RtpCapability.Capability capability;
2070            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
2071                capability = RtpCapability.Capability.VIDEO;
2072            } else {
2073                capability = RtpCapability.Capability.AUDIO;
2074            }
2075            PresenceSelector.selectFullJidForDirectRtpConnection(
2076                    activity,
2077                    contact,
2078                    capability,
2079                    fullJid -> {
2080                        triggerRtpSession(contact.getAccount(), fullJid, action);
2081                    });
2082        }
2083    }
2084
2085    private void triggerRtpSession(final Account account, final Jid with, final String action) {
2086        final Intent intent = new Intent(activity, RtpSessionActivity.class);
2087        intent.setAction(action);
2088        intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, account.getJid().toEscapedString());
2089        intent.putExtra(RtpSessionActivity.EXTRA_WITH, with.toEscapedString());
2090        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2091        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
2092        startActivity(intent);
2093    }
2094
2095    private void handleAttachmentSelection(MenuItem item) {
2096        switch (item.getItemId()) {
2097            case R.id.attach_choose_picture:
2098                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
2099                break;
2100            case R.id.attach_take_picture:
2101                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
2102                break;
2103            case R.id.attach_record_video:
2104                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
2105                break;
2106            case R.id.attach_choose_file:
2107                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
2108                break;
2109            case R.id.attach_record_voice:
2110                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
2111                break;
2112            case R.id.attach_location:
2113                attachFile(ATTACHMENT_CHOICE_LOCATION);
2114                break;
2115        }
2116    }
2117
2118    private void handleEncryptionSelection(MenuItem item) {
2119        if (conversation == null) {
2120            return;
2121        }
2122        final boolean updated;
2123        switch (item.getItemId()) {
2124            case R.id.encryption_choice_none:
2125                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2126                item.setChecked(true);
2127                break;
2128            case R.id.encryption_choice_pgp:
2129                if (activity.hasPgp()) {
2130                    if (conversation.getAccount().getPgpSignature() != null) {
2131                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
2132                        item.setChecked(true);
2133                    } else {
2134                        updated = false;
2135                        activity.announcePgp(
2136                                conversation.getAccount(),
2137                                conversation,
2138                                null,
2139                                activity.onOpenPGPKeyPublished);
2140                    }
2141                } else {
2142                    activity.showInstallPgpDialog();
2143                    updated = false;
2144                }
2145                break;
2146            case R.id.encryption_choice_axolotl:
2147                Log.d(
2148                        Config.LOGTAG,
2149                        AxolotlService.getLogprefix(conversation.getAccount())
2150                                + "Enabled axolotl for Contact "
2151                                + conversation.getContact().getJid());
2152                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
2153                item.setChecked(true);
2154                break;
2155            default:
2156                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2157                break;
2158        }
2159        if (updated) {
2160            activity.xmppConnectionService.updateConversation(conversation);
2161        }
2162        updateChatMsgHint();
2163        getActivity().invalidateOptionsMenu();
2164        activity.refreshUi();
2165    }
2166
2167    public void attachFile(final int attachmentChoice) {
2168        attachFile(attachmentChoice, true);
2169    }
2170
2171    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
2172        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
2173            if (!hasPermissions(
2174                    attachmentChoice,
2175                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2176                    Manifest.permission.RECORD_AUDIO)) {
2177                return;
2178            }
2179        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
2180                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
2181            if (!hasPermissions(
2182                    attachmentChoice,
2183                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
2184                    Manifest.permission.CAMERA)) {
2185                return;
2186            }
2187        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
2188            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2189                return;
2190            }
2191        }
2192        if (updateRecentlyUsed) {
2193            storeRecentlyUsedQuickAction(attachmentChoice);
2194        }
2195        final int encryption = conversation.getNextEncryption();
2196        final int mode = conversation.getMode();
2197        if (encryption == Message.ENCRYPTION_PGP) {
2198            if (activity.hasPgp()) {
2199                if (mode == Conversation.MODE_SINGLE
2200                        && conversation.getContact().getPgpKeyId() != 0) {
2201                    activity.xmppConnectionService
2202                            .getPgpEngine()
2203                            .hasKey(
2204                                    conversation.getContact(),
2205                                    new UiCallback<Contact>() {
2206
2207                                        @Override
2208                                        public void userInputRequired(
2209                                                PendingIntent pi, Contact contact) {
2210                                            startPendingIntent(pi, attachmentChoice);
2211                                        }
2212
2213                                        @Override
2214                                        public void success(Contact contact) {
2215                                            invokeAttachFileIntent(attachmentChoice);
2216                                        }
2217
2218                                        @Override
2219                                        public void error(int error, Contact contact) {
2220                                            activity.replaceToast(getString(error));
2221                                        }
2222                                    });
2223                } else if (mode == Conversation.MODE_MULTI
2224                        && conversation.getMucOptions().pgpKeysInUse()) {
2225                    if (!conversation.getMucOptions().everybodyHasKeys()) {
2226                        Toast warning =
2227                                Toast.makeText(
2228                                        getActivity(),
2229                                        R.string.missing_public_keys,
2230                                        Toast.LENGTH_LONG);
2231                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2232                        warning.show();
2233                    }
2234                    invokeAttachFileIntent(attachmentChoice);
2235                } else {
2236                    showNoPGPKeyDialog(
2237                            false,
2238                            (dialog, which) -> {
2239                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2240                                activity.xmppConnectionService.updateConversation(conversation);
2241                                invokeAttachFileIntent(attachmentChoice);
2242                            });
2243                }
2244            } else {
2245                activity.showInstallPgpDialog();
2246            }
2247        } else {
2248            invokeAttachFileIntent(attachmentChoice);
2249        }
2250    }
2251
2252    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
2253        try {
2254            activity.getPreferences()
2255                    .edit()
2256                    .putString(
2257                            RECENTLY_USED_QUICK_ACTION,
2258                            SendButtonAction.of(attachmentChoice).toString())
2259                    .apply();
2260        } catch (IllegalArgumentException e) {
2261            // just do not save
2262        }
2263    }
2264
2265    @Override
2266    public void onRequestPermissionsResult(
2267            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
2268        final PermissionUtils.PermissionResult permissionResult =
2269                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
2270        if (grantResults.length > 0) {
2271            if (allGranted(permissionResult.grantResults)) {
2272                switch (requestCode) {
2273                    case REQUEST_START_DOWNLOAD:
2274                        if (this.mPendingDownloadableMessage != null) {
2275                            startDownloadable(this.mPendingDownloadableMessage);
2276                        }
2277                        break;
2278                    case REQUEST_ADD_EDITOR_CONTENT:
2279                        if (this.mPendingEditorContent != null) {
2280                            attachEditorContentToConversation(this.mPendingEditorContent);
2281                        }
2282                        break;
2283                    case REQUEST_COMMIT_ATTACHMENTS:
2284                        commitAttachments();
2285                        break;
2286                    case REQUEST_START_AUDIO_CALL:
2287                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
2288                        break;
2289                    case REQUEST_START_VIDEO_CALL:
2290                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
2291                        break;
2292                    default:
2293                        attachFile(requestCode);
2294                        break;
2295                }
2296            } else {
2297                @StringRes int res;
2298                String firstDenied =
2299                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
2300                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
2301                    res = R.string.no_microphone_permission;
2302                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
2303                    res = R.string.no_camera_permission;
2304                } else {
2305                    res = R.string.no_storage_permission;
2306                }
2307                Toast.makeText(
2308                                getActivity(),
2309                                getString(res, getString(R.string.app_name)),
2310                                Toast.LENGTH_SHORT)
2311                        .show();
2312            }
2313        }
2314        if (writeGranted(grantResults, permissions)) {
2315            if (activity != null && activity.xmppConnectionService != null) {
2316                activity.xmppConnectionService.getDrawableCache().evictAll();
2317                activity.xmppConnectionService.restartFileObserver();
2318            }
2319            refresh();
2320        }
2321    }
2322
2323    public void startDownloadable(Message message) {
2324        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2325            this.mPendingDownloadableMessage = message;
2326            return;
2327        }
2328        Transferable transferable = message.getTransferable();
2329        if (transferable != null) {
2330            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
2331                createNewConnection(message);
2332                return;
2333            }
2334            if (!transferable.start()) {
2335                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
2336                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2337                        .show();
2338            }
2339        } else if (message.treatAsDownloadable()
2340                || message.hasFileOnRemoteHost()
2341                || MessageUtils.unInitiatedButKnownSize(message)) {
2342            createNewConnection(message);
2343        } else {
2344            Log.d(
2345                    Config.LOGTAG,
2346                    message.getConversation().getAccount() + ": unable to start downloadable");
2347        }
2348    }
2349
2350    private void createNewConnection(final Message message) {
2351        if (!activity.xmppConnectionService.hasInternetConnection()) {
2352            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
2353                    .show();
2354            return;
2355        }
2356        if (message.getOob() != null && "cid".equalsIgnoreCase(message.getOob().getScheme())) {
2357            try {
2358                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
2359                message.setTransferable(transfer);
2360                transfer.start();
2361            } catch (URISyntaxException e) {
2362                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
2363            }
2364        } else {
2365            activity.xmppConnectionService
2366                    .getHttpConnectionManager()
2367                    .createNewDownloadConnection(message, true);
2368        }
2369    }
2370
2371    @SuppressLint("InflateParams")
2372    protected void clearHistoryDialog(final Conversation conversation) {
2373        final AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2374        builder.setTitle(getString(R.string.clear_conversation_history));
2375        final View dialogView =
2376                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
2377        final CheckBox endConversationCheckBox =
2378                dialogView.findViewById(R.id.end_conversation_checkbox);
2379        builder.setView(dialogView);
2380        builder.setNegativeButton(getString(R.string.cancel), null);
2381        builder.setPositiveButton(
2382                getString(R.string.confirm),
2383                (dialog, which) -> {
2384                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
2385                    if (endConversationCheckBox.isChecked()) {
2386                        this.activity.xmppConnectionService.archiveConversation(conversation);
2387                        this.activity.onConversationArchived(conversation);
2388                    } else {
2389                        activity.onConversationsListItemUpdated();
2390                        refresh();
2391                    }
2392                });
2393        builder.create().show();
2394    }
2395
2396    protected void muteConversationDialog(final Conversation conversation) {
2397        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
2398        builder.setTitle(R.string.disable_notifications);
2399        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2400        final CharSequence[] labels = new CharSequence[durations.length];
2401        for (int i = 0; i < durations.length; ++i) {
2402            if (durations[i] == -1) {
2403                labels[i] = activity.getString(R.string.until_further_notice);
2404            } else {
2405                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2406            }
2407        }
2408        builder.setItems(
2409                labels,
2410                (dialog, which) -> {
2411                    final long till;
2412                    if (durations[which] == -1) {
2413                        till = Long.MAX_VALUE;
2414                    } else {
2415                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2416                    }
2417                    conversation.setMutedTill(till);
2418                    activity.xmppConnectionService.updateConversation(conversation);
2419                    activity.onConversationsListItemUpdated();
2420                    refresh();
2421                    activity.invalidateOptionsMenu();
2422                });
2423        builder.create().show();
2424    }
2425
2426    private boolean hasPermissions(int requestCode, List<String> permissions) {
2427        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
2428            final List<String> missingPermissions = new ArrayList<>();
2429            for (String permission : permissions) {
2430                if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU || Config.ONLY_INTERNAL_STORAGE) && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2431                    continue;
2432                }
2433                if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2434                    missingPermissions.add(permission);
2435                }
2436            }
2437            if (missingPermissions.size() == 0) {
2438                return true;
2439            } else {
2440                requestPermissions(
2441                        missingPermissions.toArray(new String[0]),
2442                        requestCode);
2443                return false;
2444            }
2445        } else {
2446            return true;
2447        }
2448    }
2449
2450    private boolean hasPermissions(int requestCode, String... permissions) {
2451        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2452    }
2453
2454    public void unMuteConversation(final Conversation conversation) {
2455        conversation.setMutedTill(0);
2456        this.activity.xmppConnectionService.updateConversation(conversation);
2457        this.activity.onConversationsListItemUpdated();
2458        refresh();
2459        this.activity.invalidateOptionsMenu();
2460    }
2461
2462    protected void invokeAttachFileIntent(final int attachmentChoice) {
2463        Intent intent = new Intent();
2464        boolean chooser = false;
2465        switch (attachmentChoice) {
2466            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2467                intent.setAction(Intent.ACTION_GET_CONTENT);
2468                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2469                intent.setType("image/*");
2470                chooser = true;
2471                break;
2472            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2473                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2474                break;
2475            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2476                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2477                pendingTakePhotoUri.push(uri);
2478                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2479                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2480                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2481                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2482                break;
2483            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2484                chooser = true;
2485                intent.setType("*/*");
2486                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2487                intent.addCategory(Intent.CATEGORY_OPENABLE);
2488                intent.setAction(Intent.ACTION_GET_CONTENT);
2489                break;
2490            case ATTACHMENT_CHOICE_RECORD_VOICE:
2491                intent = new Intent(getActivity(), RecordingActivity.class);
2492                break;
2493            case ATTACHMENT_CHOICE_LOCATION:
2494                intent = GeoHelper.getFetchIntent(activity);
2495                break;
2496        }
2497        final Context context = getActivity();
2498        if (context == null) {
2499            return;
2500        }
2501        try {
2502            if (chooser) {
2503                startActivityForResult(
2504                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2505                        attachmentChoice);
2506            } else {
2507                startActivityForResult(intent, attachmentChoice);
2508            }
2509        } catch (final ActivityNotFoundException e) {
2510            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2511        }
2512    }
2513
2514    @Override
2515    public void onResume() {
2516        super.onResume();
2517        binding.messagesView.post(this::fireReadEvent);
2518    }
2519
2520    private void fireReadEvent() {
2521        if (activity != null && this.conversation != null) {
2522            String uuid = getLastVisibleMessageUuid();
2523            if (uuid != null) {
2524                activity.onConversationRead(this.conversation, uuid);
2525            }
2526        }
2527    }
2528
2529    private void newSubThread() {
2530        Element oldThread = conversation.getThread();
2531        Element thread = new Element("thread", "jabber:client");
2532        thread.setContent(UUID.randomUUID().toString());
2533        if (oldThread != null) thread.setAttribute("parent", oldThread.getContent());
2534        setThread(thread);
2535    }
2536
2537    private void newThread() {
2538        Element thread = new Element("thread", "jabber:client");
2539        thread.setContent(UUID.randomUUID().toString());
2540        setThread(thread);
2541    }
2542
2543    private void updateThreadFromLastMessage() {
2544        if (this.conversation != null && !this.conversation.getUserSelectedThread() && TextUtils.isEmpty(binding.textinput.getText())) {
2545            Message message = getLastVisibleMessage();
2546            if (message == null) {
2547                newThread();
2548            } else {
2549                if (conversation.getMode() == Conversation.MODE_MULTI) {
2550                    if (activity == null || activity.xmppConnectionService == null) return;
2551                    if (message.getStatus() < Message.STATUS_SEND) {
2552                        if (!activity.xmppConnectionService.getBooleanPreference("follow_thread_in_channel", R.bool.follow_thread_in_channel)) return;
2553                    }
2554                }
2555
2556                setThread(message.getThread());
2557            }
2558        }
2559    }
2560
2561    private String getLastVisibleMessageUuid() {
2562        Message message =  getLastVisibleMessage();
2563        return message == null ? null : message.getUuid();
2564    }
2565
2566    private Message getLastVisibleMessage() {
2567        if (binding == null) {
2568            return null;
2569        }
2570        synchronized (this.messageList) {
2571            int pos = binding.messagesView.getLastVisiblePosition();
2572            if (pos >= 0) {
2573                Message message = null;
2574                for (int i = pos; i >= 0; --i) {
2575                    try {
2576                        message = (Message) binding.messagesView.getItemAtPosition(i);
2577                    } catch (IndexOutOfBoundsException e) {
2578                        // should not happen if we synchronize properly. however if that fails we
2579                        // just gonna try item -1
2580                        continue;
2581                    }
2582                    if (message.getType() != Message.TYPE_STATUS) {
2583                        break;
2584                    }
2585                }
2586                if (message != null) {
2587                    while (message.next() != null && message.next().wasMergedIntoPrevious()) {
2588                        message = message.next();
2589                    }
2590                    return message;
2591                }
2592            }
2593        }
2594        return null;
2595    }
2596
2597    private void openWith(final Message message) {
2598        if (message.isGeoUri()) {
2599            GeoHelper.view(getActivity(), message);
2600        } else {
2601            final DownloadableFile file =
2602                    activity.xmppConnectionService.getFileBackend().getFile(message);
2603            ViewUtil.view(activity, file);
2604        }
2605    }
2606
2607    private void showErrorMessage(final Message message) {
2608        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2609        builder.setTitle(R.string.error_message);
2610        final String errorMessage = message.getErrorMessage();
2611        final String[] errorMessageParts =
2612                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2613        final String displayError;
2614        if (errorMessageParts.length == 2) {
2615            displayError = errorMessageParts[1];
2616        } else {
2617            displayError = errorMessage;
2618        }
2619        builder.setMessage(displayError);
2620        builder.setNegativeButton(
2621                R.string.copy_to_clipboard,
2622                (dialog, which) -> {
2623                    activity.copyTextToClipboard(displayError, R.string.error_message);
2624                    Toast.makeText(
2625                                    activity,
2626                                    R.string.error_message_copied_to_clipboard,
2627                                    Toast.LENGTH_SHORT)
2628                            .show();
2629                });
2630        builder.setPositiveButton(R.string.confirm, null);
2631        builder.create().show();
2632    }
2633
2634    public boolean onInlineImageLongClicked(Cid cid) {
2635        DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2636        if (f == null) return false;
2637
2638        saveAsSticker(f, null);
2639        return true;
2640    }
2641
2642    private void saveAsSticker(final Message m) {
2643        String existingName = m.getFileParams() != null && m.getFileParams().getName() != null ? m.getFileParams().getName() : "";
2644        existingName = existingName.lastIndexOf(".") == -1 ? existingName : existingName.substring(0, existingName.lastIndexOf("."));
2645        saveAsSticker(activity.xmppConnectionService.getFileBackend().getFile(m), existingName);
2646    }
2647
2648    private void saveAsSticker(final File file, final String name) {
2649        savingAsSticker = file;
2650
2651        Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
2652        intent.addCategory(Intent.CATEGORY_OPENABLE);
2653        intent.setType(MimeUtils.guessMimeTypeFromUri(activity, activity.xmppConnectionService.getFileBackend().getUriForFile(activity, file)));
2654        intent.putExtra(Intent.EXTRA_TITLE, name);
2655
2656        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2657        final String dir = p.getString("sticker_directory", "Stickers");
2658        if (dir.startsWith("content://")) {
2659            intent.putExtra("android.provider.extra.INITIAL_URI", Uri.parse(dir));
2660        } else {
2661            new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/" + dir + "/User Pack").mkdirs();
2662            Uri uri;
2663            if (Build.VERSION.SDK_INT >= 29) {
2664                Intent tmp = ((StorageManager) activity.getSystemService(Context.STORAGE_SERVICE)).getPrimaryStorageVolume().createOpenDocumentTreeIntent();
2665                uri = tmp.getParcelableExtra("android.provider.extra.INITIAL_URI");
2666                uri = Uri.parse(uri.toString().replace("/root/", "/document/") + "%3APictures%2F" + dir);
2667            } else {
2668                uri = Uri.parse("content://com.android.externalstorage.documents/document/primary%3APictures%2F" + dir);
2669            }
2670            intent.putExtra("android.provider.extra.INITIAL_URI", uri);
2671            intent.putExtra("android.content.extra.SHOW_ADVANCED", true);
2672        }
2673
2674        Toast.makeText(activity, "Choose a sticker pack to add this sticker to", Toast.LENGTH_SHORT).show();
2675        startActivityForResult(Intent.createChooser(intent, "Choose sticker pack"), REQUEST_SAVE_STICKER);
2676    }
2677
2678    private void deleteFile(final Message message) {
2679        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2680        builder.setNegativeButton(R.string.cancel, null);
2681        builder.setTitle(R.string.delete_file_dialog);
2682        builder.setMessage(R.string.delete_file_dialog_msg);
2683        builder.setPositiveButton(
2684                R.string.confirm,
2685                (dialog, which) -> {
2686                    List<Element> thumbs = selectedMessage.getFileParams() != null ? selectedMessage.getFileParams().getThumbnails() : null;
2687                    if (thumbs != null && !thumbs.isEmpty()) {
2688                        for (Element thumb : thumbs) {
2689                            Uri uri = Uri.parse(thumb.getAttribute("uri"));
2690                            if (uri.getScheme().equals("cid")) {
2691                                Cid cid = BobTransfer.cid(uri);
2692                                if (cid == null) continue;
2693                                DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
2694                                activity.xmppConnectionService.evictPreview(f);
2695                                f.delete();
2696                            }
2697                        }
2698                    }
2699                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2700                        activity.xmppConnectionService.evictPreview(activity.xmppConnectionService.getFileBackend().getFile(message));
2701                        activity.xmppConnectionService.updateMessage(message, false);
2702                        activity.onConversationsListItemUpdated();
2703                        refresh();
2704                    }
2705                });
2706        builder.create().show();
2707    }
2708
2709    private void resendMessage(final Message message) {
2710        if (message.isFileOrImage()) {
2711            if (!(message.getConversation() instanceof Conversation)) {
2712                return;
2713            }
2714            final Conversation conversation = (Conversation) message.getConversation();
2715            final DownloadableFile file =
2716                    activity.xmppConnectionService.getFileBackend().getFile(message);
2717            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2718                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2719                if (!message.hasFileOnRemoteHost()
2720                        && xmppConnection != null
2721                        && conversation.getMode() == Conversational.MODE_SINGLE
2722                        && !xmppConnection
2723                                .getFeatures()
2724                                .httpUpload(message.getFileParams().getSize())) {
2725                    activity.selectPresence(
2726                            conversation,
2727                            () -> {
2728                                message.setCounterpart(conversation.getNextCounterpart());
2729                                activity.xmppConnectionService.resendFailedMessages(message);
2730                                new Handler()
2731                                        .post(
2732                                                () -> {
2733                                                    int size = messageList.size();
2734                                                    this.binding.messagesView.setSelection(
2735                                                            size - 1);
2736                                                });
2737                            });
2738                    return;
2739                }
2740            } else if (!Compatibility.hasStoragePermission(getActivity())) {
2741                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
2742                return;
2743            } else {
2744                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
2745                message.setDeleted(true);
2746                activity.xmppConnectionService.updateMessage(message, false);
2747                activity.onConversationsListItemUpdated();
2748                refresh();
2749                return;
2750            }
2751        }
2752        activity.xmppConnectionService.resendFailedMessages(message);
2753        new Handler()
2754                .post(
2755                        () -> {
2756                            int size = messageList.size();
2757                            this.binding.messagesView.setSelection(size - 1);
2758                        });
2759    }
2760
2761    private void cancelTransmission(Message message) {
2762        Transferable transferable = message.getTransferable();
2763        if (transferable != null) {
2764            transferable.cancel();
2765        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
2766            activity.xmppConnectionService.markMessage(
2767                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
2768        }
2769    }
2770
2771    private void retryDecryption(Message message) {
2772        message.setEncryption(Message.ENCRYPTION_PGP);
2773        activity.onConversationsListItemUpdated();
2774        refresh();
2775        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
2776    }
2777
2778    public void privateMessageWith(final Jid counterpart) {
2779        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2780            activity.xmppConnectionService.sendChatState(conversation);
2781        }
2782        this.binding.textinput.setText("");
2783        this.conversation.setNextCounterpart(counterpart);
2784        updateChatMsgHint();
2785        updateSendButton();
2786        updateEditablity();
2787    }
2788
2789    private void correctMessage(Message message) {
2790        while (message.mergeable(message.next())) {
2791            message = message.next();
2792        }
2793        setThread(message.getThread());
2794        conversation.setUserSelectedThread(true);
2795        this.conversation.setCorrectingMessage(message);
2796        final Editable editable = binding.textinput.getText();
2797        this.conversation.setDraftMessage(editable.toString());
2798        this.binding.textinput.setText("");
2799        this.binding.textinput.append(message.getBody());
2800    }
2801
2802    private void highlightInConference(String nick) {
2803        final Editable editable = this.binding.textinput.getText();
2804        String oldString = editable.toString().trim();
2805        final int pos = this.binding.textinput.getSelectionStart();
2806        if (oldString.isEmpty() || pos == 0) {
2807            editable.insert(0, nick + ": ");
2808        } else {
2809            final char before = editable.charAt(pos - 1);
2810            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
2811            if (before == '\n') {
2812                editable.insert(pos, nick + ": ");
2813            } else {
2814                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
2815                    if (NickValidityChecker.check(
2816                            conversation,
2817                            Arrays.asList(
2818                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
2819                        editable.insert(pos - 2, ", " + nick);
2820                        return;
2821                    }
2822                }
2823                editable.insert(
2824                        pos,
2825                        (Character.isWhitespace(before) ? "" : " ")
2826                                + nick
2827                                + (Character.isWhitespace(after) ? "" : " "));
2828                if (Character.isWhitespace(after)) {
2829                    this.binding.textinput.setSelection(
2830                            this.binding.textinput.getSelectionStart() + 1);
2831                }
2832            }
2833        }
2834    }
2835
2836    @Override
2837    public void startActivityForResult(Intent intent, int requestCode) {
2838        final Activity activity = getActivity();
2839        if (activity instanceof ConversationsActivity) {
2840            ((ConversationsActivity) activity).clearPendingViewIntent();
2841        }
2842        super.startActivityForResult(intent, requestCode);
2843    }
2844
2845    @Override
2846    public void onSaveInstanceState(@NotNull Bundle outState) {
2847        super.onSaveInstanceState(outState);
2848        if (conversation != null) {
2849            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
2850            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
2851            final Uri uri = pendingTakePhotoUri.peek();
2852            if (uri != null) {
2853                outState.putString(STATE_PHOTO_URI, uri.toString());
2854            }
2855            final ScrollState scrollState = getScrollPosition();
2856            if (scrollState != null) {
2857                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
2858            }
2859            final ArrayList<Attachment> attachments =
2860                    mediaPreviewAdapter == null
2861                            ? new ArrayList<>()
2862                            : mediaPreviewAdapter.getAttachments();
2863            if (attachments.size() > 0) {
2864                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
2865            }
2866        }
2867    }
2868
2869    @Override
2870    public void onActivityCreated(Bundle savedInstanceState) {
2871        super.onActivityCreated(savedInstanceState);
2872        if (savedInstanceState == null) {
2873            return;
2874        }
2875        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
2876        ArrayList<Attachment> attachments =
2877                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
2878        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
2879        if (uuid != null) {
2880            QuickLoader.set(uuid);
2881            this.pendingConversationsUuid.push(uuid);
2882            if (attachments != null && attachments.size() > 0) {
2883                this.pendingMediaPreviews.push(attachments);
2884            }
2885            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
2886            if (takePhotoUri != null) {
2887                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
2888            }
2889            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
2890        }
2891    }
2892
2893    @Override
2894    public void onStart() {
2895        super.onStart();
2896        if (this.reInitRequiredOnStart && this.conversation != null) {
2897            final Bundle extras = pendingExtras.pop();
2898            reInit(this.conversation, extras != null);
2899            if (extras != null) {
2900                processExtras(extras);
2901            }
2902        } else if (conversation == null
2903                && activity != null
2904                && activity.xmppConnectionService != null) {
2905            final String uuid = pendingConversationsUuid.pop();
2906            Log.d(
2907                    Config.LOGTAG,
2908                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
2909                            + uuid);
2910            if (uuid != null) {
2911                findAndReInitByUuidOrArchive(uuid);
2912            }
2913        }
2914    }
2915
2916    @Override
2917    public void onStop() {
2918        super.onStop();
2919        final Activity activity = getActivity();
2920        messageListAdapter.unregisterListenerInAudioPlayer();
2921        if (activity == null || !activity.isChangingConfigurations()) {
2922            hideSoftKeyboard(activity);
2923            messageListAdapter.stopAudioPlayer();
2924        }
2925        if (this.conversation != null) {
2926            final String msg = this.binding.textinput.getText().toString();
2927            storeNextMessage(msg);
2928            updateChatState(this.conversation, msg);
2929            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
2930        }
2931        this.reInitRequiredOnStart = true;
2932        if (emojiPopup != null) emojiPopup.dismiss();
2933    }
2934
2935    private void updateChatState(final Conversation conversation, final String msg) {
2936        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
2937        Account.State status = conversation.getAccount().getStatus();
2938        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
2939            activity.xmppConnectionService.sendChatState(conversation);
2940        }
2941    }
2942
2943    private void saveMessageDraftStopAudioPlayer() {
2944        final Conversation previousConversation = this.conversation;
2945        if (this.activity == null || this.binding == null || previousConversation == null) {
2946            return;
2947        }
2948        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
2949        final String msg = this.binding.textinput.getText().toString();
2950        storeNextMessage(msg);
2951        updateChatState(this.conversation, msg);
2952        messageListAdapter.stopAudioPlayer();
2953        mediaPreviewAdapter.clearPreviews();
2954        toggleInputMethod();
2955    }
2956
2957    public void reInit(final Conversation conversation, final Bundle extras) {
2958        QuickLoader.set(conversation.getUuid());
2959        final boolean changedConversation = this.conversation != conversation;
2960        if (changedConversation) {
2961            this.saveMessageDraftStopAudioPlayer();
2962        }
2963        this.clearPending();
2964        if (this.reInit(conversation, extras != null)) {
2965            if (extras != null) {
2966                processExtras(extras);
2967            }
2968            this.reInitRequiredOnStart = false;
2969        } else {
2970            this.reInitRequiredOnStart = true;
2971            pendingExtras.push(extras);
2972        }
2973        resetUnreadMessagesCount();
2974    }
2975
2976    private void reInit(Conversation conversation) {
2977        reInit(conversation, false);
2978    }
2979
2980    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
2981        if (conversation == null) {
2982            return false;
2983        }
2984        final Conversation originalConversation = this.conversation;
2985        this.conversation = conversation;
2986        // once we set the conversation all is good and it will automatically do the right thing in
2987        // onStart()
2988        if (this.activity == null || this.binding == null) {
2989            return false;
2990        }
2991
2992        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2993            activity.onConversationArchived(this.conversation);
2994            return false;
2995        }
2996
2997        setThread(conversation.getThread());
2998        setupReply(conversation.getReplyTo());
2999
3000        stopScrolling();
3001        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
3002
3003        if (this.conversation.isRead() && hasExtras) {
3004            Log.d(Config.LOGTAG, "trimming conversation");
3005            this.conversation.trim();
3006        }
3007
3008        setupIme();
3009
3010        final boolean scrolledToBottomAndNoPending =
3011                this.scrolledToBottom() && pendingScrollState.peek() == null;
3012
3013        this.binding.textSendButton.setContentDescription(
3014                activity.getString(R.string.send_message_to_x, conversation.getName()));
3015        this.binding.textinput.setKeyboardListener(null);
3016        final boolean participating =
3017                conversation.getMode() == Conversational.MODE_SINGLE
3018                        || conversation.getMucOptions().participating();
3019        if (participating) {
3020            this.binding.textinput.setText(this.conversation.getNextMessage());
3021            this.binding.textinput.setSelection(this.binding.textinput.length());
3022        } else {
3023            this.binding.textinput.setText(MessageUtils.EMPTY_STRING);
3024        }
3025        this.binding.textinput.setKeyboardListener(this);
3026        messageListAdapter.updatePreferences();
3027        refresh(false);
3028        activity.invalidateOptionsMenu();
3029        this.conversation.messagesLoaded.set(true);
3030        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
3031
3032        if (hasExtras || scrolledToBottomAndNoPending) {
3033            resetUnreadMessagesCount();
3034            synchronized (this.messageList) {
3035                Log.d(Config.LOGTAG, "jump to first unread message");
3036                final Message first = conversation.getFirstUnreadMessage();
3037                final int bottom = Math.max(0, this.messageList.size() - 1);
3038                final int pos;
3039                final boolean jumpToBottom;
3040                if (first == null) {
3041                    pos = bottom;
3042                    jumpToBottom = true;
3043                } else {
3044                    int i = getIndexOf(first.getUuid(), this.messageList);
3045                    pos = i < 0 ? bottom : i;
3046                    jumpToBottom = false;
3047                }
3048                setSelection(pos, jumpToBottom);
3049            }
3050        }
3051
3052        this.binding.messagesView.post(this::fireReadEvent);
3053        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
3054        // layout which might be unnecessary since we can *see* it
3055        activity.xmppConnectionService
3056                .getNotificationService()
3057                .setOpenConversation(this.conversation);
3058
3059        if (commandAdapter != null && conversation != originalConversation) {
3060            commandAdapter.clear();
3061            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), originalConversation);
3062            refreshCommands(false);
3063        }
3064        if (commandAdapter == null && conversation != null) {
3065            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout, activity.xmppConnectionService.isOnboarding(), null);
3066            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
3067            binding.commandsView.setAdapter(commandAdapter);
3068            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
3069                if (activity == null) return;
3070
3071                final Element command = commandAdapter.getItem(position);
3072                activity.startCommand(ConversationFragment.this.conversation.getAccount(), command.getAttributeAsJid("jid"), command.getAttribute("node"));
3073            });
3074            refreshCommands(false);
3075        }
3076
3077        return true;
3078    }
3079
3080    public void refreshForNewCaps() {
3081        refreshCommands(true);
3082    }
3083
3084    protected void refreshCommands(boolean delayShow) {
3085        if (commandAdapter == null) return;
3086
3087        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3088        if (commandJid == null && conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().hasFeature(Namespace.COMMANDS)) {
3089            commandJid = conversation.getJid().asBareJid();
3090        }
3091        if (commandJid == null && conversation.getJid().isDomainJid()) {
3092            commandJid = conversation.getJid();
3093        }
3094        if (commandJid == null) {
3095            conversation.hideViewPager();
3096        } else {
3097            if (!delayShow) conversation.showViewPager();
3098            binding.commandsViewProgressbar.setVisibility(View.VISIBLE);
3099            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (a, iq) -> {
3100                if (activity == null) return;
3101
3102                activity.runOnUiThread(() -> {
3103                    if (iq.getType() == IqPacket.TYPE.RESULT) {
3104                        binding.commandsViewProgressbar.setVisibility(View.GONE);
3105                        commandAdapter.clear();
3106                        for (Element child : iq.query().getChildren()) {
3107                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
3108                            commandAdapter.add(child);
3109                        }
3110                    }
3111
3112                    if (commandAdapter.getCount() < 1) {
3113                        conversation.hideViewPager();
3114                    } else if (delayShow) {
3115                        conversation.showViewPager();
3116                    }
3117                });
3118            });
3119        }
3120    }
3121
3122    private void resetUnreadMessagesCount() {
3123        lastMessageUuid = null;
3124        hideUnreadMessagesCount();
3125    }
3126
3127    private void hideUnreadMessagesCount() {
3128        if (this.binding == null) {
3129            return;
3130        }
3131        this.binding.scrollToBottomButton.setEnabled(false);
3132        this.binding.scrollToBottomButton.hide();
3133        this.binding.unreadCountCustomView.setVisibility(View.GONE);
3134    }
3135
3136    private void setSelection(int pos, boolean jumpToBottom) {
3137        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
3138        this.binding.messagesView.post(
3139                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
3140        this.binding.messagesView.post(this::fireReadEvent);
3141    }
3142
3143    private boolean scrolledToBottom() {
3144        return this.binding != null && scrolledToBottom(this.binding.messagesView);
3145    }
3146
3147    private void processExtras(final Bundle extras) {
3148        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
3149        final String text = extras.getString(Intent.EXTRA_TEXT);
3150        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
3151        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
3152        final String postInitAction =
3153                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
3154        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
3155        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
3156        final boolean doNotAppend =
3157                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
3158        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
3159        final List<Uri> uris = extractUris(extras);
3160        if (uris != null && uris.size() > 0) {
3161            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
3162                mediaPreviewAdapter.addMediaPreviews(
3163                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
3164            } else {
3165                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
3166                mediaPreviewAdapter.addMediaPreviews(
3167                        Attachment.of(getActivity(), cleanedUris, type));
3168            }
3169            toggleInputMethod();
3170            return;
3171        }
3172        if (nick != null) {
3173            if (pm) {
3174                Jid jid = conversation.getJid();
3175                try {
3176                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
3177                    privateMessageWith(next);
3178                } catch (final IllegalArgumentException ignored) {
3179                    // do nothing
3180                }
3181            } else {
3182                final MucOptions mucOptions = conversation.getMucOptions();
3183                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
3184                    highlightInConference(nick);
3185                }
3186            }
3187        } else {
3188            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
3189                mediaPreviewAdapter.addMediaPreviews(
3190                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
3191                toggleInputMethod();
3192                return;
3193            } else if (text != null && asQuote) {
3194                quoteText(text);
3195            } else {
3196                appendText(text, doNotAppend);
3197            }
3198        }
3199        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
3200            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
3201            return;
3202        }
3203        if ("call".equals(postInitAction)) {
3204            checkPermissionAndTriggerAudioCall();
3205        }
3206        if ("message".equals(postInitAction)) {
3207            binding.conversationViewPager.post(() -> {
3208                binding.conversationViewPager.setCurrentItem(0);
3209            });
3210        }
3211        if ("command".equals(postInitAction)) {
3212            binding.conversationViewPager.post(() -> {
3213                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
3214                if (adapter != null && adapter.getCount() > 1) {
3215                    binding.conversationViewPager.setCurrentItem(1);
3216                }
3217                final String jid = extras.getString(ConversationsActivity.EXTRA_JID);
3218                Jid commandJid = null;
3219                if (jid != null) {
3220                    try {
3221                        commandJid = Jid.of(jid);
3222                    } catch (final IllegalArgumentException e) { }
3223                }
3224                if (commandJid == null || !commandJid.isFullJid()) {
3225                    final Jid discoJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
3226                    if (discoJid != null) commandJid = discoJid;
3227                }
3228                if (node != null && commandJid != null) {
3229                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
3230                }
3231            });
3232            return;
3233        }
3234        final Message message =
3235                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
3236        if ("webxdc".equals(postInitAction)) {
3237            if (message == null) return;
3238
3239            Cid webxdcCid = message.getFileParams().getCids().get(0);
3240            WebxdcPage webxdc = new WebxdcPage(activity, webxdcCid, message, activity.xmppConnectionService);
3241            Conversation conversation = (Conversation) message.getConversation();
3242            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
3243                conversation.startWebxdc(webxdc);
3244            }
3245        }
3246        if (message != null) {
3247            startDownloadable(message);
3248        }
3249        if (activity.xmppConnectionService.isOnboarding() && conversation.getJid().equals(Jid.of("cheogram.com"))) {
3250            if (!conversation.switchToSession("jabber:iq:register")) {
3251                conversation.startCommand(commandFor(Jid.of("cheogram.com/CHEOGRAM%jabber:iq:register"), "jabber:iq:register"), activity.xmppConnectionService);
3252            }
3253        }
3254    }
3255
3256    private Element commandFor(final Jid jid, final String node) {
3257        if (commandAdapter != null) {
3258            for (int i = 0; i < commandAdapter.getCount(); i++) {
3259                Element command = commandAdapter.getItem(i);
3260                final String commandNode = command.getAttribute("node");
3261                if (commandNode == null || !commandNode.equals(node)) continue;
3262
3263                final Jid commandJid = command.getAttributeAsJid("jid");
3264                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
3265
3266                return command;
3267            }
3268        }
3269
3270        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
3271    }
3272
3273    private List<Uri> extractUris(final Bundle extras) {
3274        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
3275        if (uris != null) {
3276            return uris;
3277        }
3278        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
3279        if (uri != null) {
3280            return Collections.singletonList(uri);
3281        } else {
3282            return null;
3283        }
3284    }
3285
3286    private List<Uri> cleanUris(final List<Uri> uris) {
3287        final Iterator<Uri> iterator = uris.iterator();
3288        while (iterator.hasNext()) {
3289            final Uri uri = iterator.next();
3290            if (FileBackend.weOwnFile(uri)) {
3291                iterator.remove();
3292                Toast.makeText(
3293                                getActivity(),
3294                                R.string.security_violation_not_attaching_file,
3295                                Toast.LENGTH_SHORT)
3296                        .show();
3297            }
3298        }
3299        return uris;
3300    }
3301
3302    private boolean showBlockSubmenu(View view) {
3303        final Jid jid = conversation.getJid();
3304        final boolean showReject =
3305                !conversation.isWithStranger()
3306                        && conversation
3307                                .getContact()
3308                                .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
3309        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
3310        popupMenu.inflate(R.menu.block);
3311        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
3312        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
3313        popupMenu.setOnMenuItemClickListener(
3314                menuItem -> {
3315                    Blockable blockable;
3316                    switch (menuItem.getItemId()) {
3317                        case R.id.reject:
3318                            activity.xmppConnectionService.stopPresenceUpdatesTo(
3319                                    conversation.getContact());
3320                            updateSnackBar(conversation);
3321                            return true;
3322                        case R.id.block_domain:
3323                            blockable =
3324                                    conversation
3325                                            .getAccount()
3326                                            .getRoster()
3327                                            .getContact(jid.getDomain());
3328                            break;
3329                        default:
3330                            blockable = conversation;
3331                    }
3332                    BlockContactDialog.show(activity, blockable);
3333                    return true;
3334                });
3335        popupMenu.show();
3336        return true;
3337    }
3338
3339    private void updateSnackBar(final Conversation conversation) {
3340        final Account account = conversation.getAccount();
3341        final XmppConnection connection = account.getXmppConnection();
3342        final int mode = conversation.getMode();
3343        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
3344        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3345            return;
3346        }
3347        if (account.getStatus() == Account.State.DISABLED) {
3348            showSnackbar(
3349                    R.string.this_account_is_disabled,
3350                    R.string.enable,
3351                    this.mEnableAccountListener);
3352        } else if (conversation.isBlocked()) {
3353            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
3354        } else if (contact != null
3355                && !contact.showInRoster()
3356                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3357            showSnackbar(
3358                    R.string.contact_added_you,
3359                    R.string.add_back,
3360                    this.mAddBackClickListener,
3361                    this.mLongPressBlockListener);
3362        } else if (contact != null
3363                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
3364            showSnackbar(
3365                    R.string.contact_asks_for_presence_subscription,
3366                    R.string.allow,
3367                    this.mAllowPresenceSubscription,
3368                    this.mLongPressBlockListener);
3369        } else if (mode == Conversation.MODE_MULTI
3370                && !conversation.getMucOptions().online()
3371                && account.getStatus() == Account.State.ONLINE) {
3372            switch (conversation.getMucOptions().getError()) {
3373                case NICK_IN_USE:
3374                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
3375                    break;
3376                case NO_RESPONSE:
3377                    showSnackbar(R.string.joining_conference, 0, null);
3378                    break;
3379                case SERVER_NOT_FOUND:
3380                    if (conversation.receivedMessagesCount() > 0) {
3381                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
3382                    } else {
3383                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
3384                    }
3385                    break;
3386                case REMOTE_SERVER_TIMEOUT:
3387                    if (conversation.receivedMessagesCount() > 0) {
3388                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
3389                    } else {
3390                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
3391                    }
3392                    break;
3393                case PASSWORD_REQUIRED:
3394                    showSnackbar(
3395                            R.string.conference_requires_password,
3396                            R.string.enter_password,
3397                            enterPassword);
3398                    break;
3399                case BANNED:
3400                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
3401                    break;
3402                case MEMBERS_ONLY:
3403                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
3404                    break;
3405                case RESOURCE_CONSTRAINT:
3406                    showSnackbar(
3407                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
3408                    break;
3409                case KICKED:
3410                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
3411                    break;
3412                case TECHNICAL_PROBLEMS:
3413                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
3414                    break;
3415                case UNKNOWN:
3416                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
3417                    break;
3418                case INVALID_NICK:
3419                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
3420                case SHUTDOWN:
3421                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
3422                    break;
3423                case DESTROYED:
3424                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
3425                    break;
3426                case NON_ANONYMOUS:
3427                    showSnackbar(
3428                            R.string.group_chat_will_make_your_jabber_id_public,
3429                            R.string.join,
3430                            acceptJoin);
3431                    break;
3432                default:
3433                    hideSnackbar();
3434                    break;
3435            }
3436        } else if (account.hasPendingPgpIntent(conversation)) {
3437            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
3438        } else if (connection != null
3439                && connection.getFeatures().blocking()
3440                && conversation.countMessages() != 0
3441                && !conversation.isBlocked()
3442                && conversation.isWithStranger()) {
3443            showSnackbar(
3444                    R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
3445        } else {
3446            hideSnackbar();
3447        }
3448    }
3449
3450    @Override
3451    public void refresh() {
3452        if (this.binding == null) {
3453            Log.d(
3454                    Config.LOGTAG,
3455                    "ConversationFragment.refresh() skipped updated because view binding was null");
3456            return;
3457        }
3458        if (this.conversation != null
3459                && this.activity != null
3460                && this.activity.xmppConnectionService != null) {
3461            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
3462                activity.onConversationArchived(this.conversation);
3463                return;
3464            }
3465        }
3466        this.refresh(true);
3467    }
3468
3469    private void refresh(boolean notifyConversationRead) {
3470        synchronized (this.messageList) {
3471            if (this.conversation != null) {
3472                if (messageListAdapter.hasSelection()) {
3473                    if (notifyConversationRead) binding.messagesView.postDelayed(this::refresh, 1000L);
3474                } else {
3475                    conversation.populateWithMessages(this.messageList);
3476                    updateStatusMessages();
3477                    this.messageListAdapter.notifyDataSetChanged();
3478                }
3479                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
3480                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
3481                    binding.unreadCountCustomView.setUnreadCount(
3482                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
3483                }
3484                updateSnackBar(conversation);
3485                if (activity != null) updateChatMsgHint();
3486                if (notifyConversationRead && activity != null) {
3487                    binding.messagesView.post(this::fireReadEvent);
3488                }
3489                updateSendButton();
3490                updateEditablity();
3491                conversation.refreshSessions();
3492            }
3493        }
3494    }
3495
3496    protected void messageSent() {
3497        setThread(null);
3498        conversation.setUserSelectedThread(false);
3499        mSendingPgpMessage.set(false);
3500        this.binding.textinput.setText("");
3501        if (conversation.setCorrectingMessage(null)) {
3502            this.binding.textinput.append(conversation.getDraftMessage());
3503            conversation.setDraftMessage(null);
3504        }
3505        storeNextMessage();
3506        updateChatMsgHint();
3507        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
3508        final boolean prefScrollToBottom =
3509                p.getBoolean(
3510                        "scroll_to_bottom",
3511                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
3512        if (prefScrollToBottom || scrolledToBottom()) {
3513            new Handler()
3514                    .post(
3515                            () -> {
3516                                int size = messageList.size();
3517                                this.binding.messagesView.setSelection(size - 1);
3518                            });
3519        }
3520    }
3521
3522    private boolean storeNextMessage() {
3523        return storeNextMessage(this.binding.textinput.getText().toString());
3524    }
3525
3526    private boolean storeNextMessage(String msg) {
3527        final boolean participating =
3528                conversation.getMode() == Conversational.MODE_SINGLE
3529                        || conversation.getMucOptions().participating();
3530        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3531                && participating
3532                && this.conversation.setNextMessage(msg)) {
3533            this.activity.xmppConnectionService.updateConversation(this.conversation);
3534            return true;
3535        }
3536        return false;
3537    }
3538
3539    public void doneSendingPgpMessage() {
3540        mSendingPgpMessage.set(false);
3541    }
3542
3543    public long getMaxHttpUploadSize(Conversation conversation) {
3544        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3545        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3546    }
3547
3548    private boolean canWrite() {
3549        return
3550                this.conversation.getMode() == Conversation.MODE_SINGLE
3551                        || this.conversation.getMucOptions().participating()
3552                        || this.conversation.getNextCounterpart() != null;
3553    }
3554
3555    private void updateEditablity() {
3556        boolean canWrite = canWrite();
3557        this.binding.textinput.setFocusable(canWrite);
3558        this.binding.textinput.setFocusableInTouchMode(canWrite);
3559        this.binding.textSendButton.setEnabled(canWrite);
3560        this.binding.textSendButton.setVisibility(canWrite ? View.VISIBLE : View.GONE);
3561        this.binding.requestVoice.setVisibility(canWrite ? View.GONE : View.VISIBLE);
3562        this.binding.textinput.setCursorVisible(canWrite);
3563        this.binding.textinput.setEnabled(canWrite);
3564    }
3565
3566    public void updateSendButton() {
3567        boolean hasAttachments =
3568                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3569        final Conversation c = this.conversation;
3570        final Presence.Status status;
3571        final String text =
3572                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3573        final SendButtonAction action;
3574        if (hasAttachments) {
3575            action = SendButtonAction.TEXT;
3576        } else {
3577            action = SendButtonTool.getAction(getActivity(), c, text);
3578        }
3579        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3580            if (activity != null
3581                    && activity.xmppConnectionService != null
3582                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3583                status = Presence.Status.OFFLINE;
3584            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3585                status = c.getContact().getShownStatus();
3586            } else {
3587                status =
3588                        c.getMucOptions().online()
3589                                ? Presence.Status.ONLINE
3590                                : Presence.Status.OFFLINE;
3591            }
3592        } else {
3593            status = Presence.Status.OFFLINE;
3594        }
3595        this.binding.textSendButton.setTag(action);
3596        final Activity activity = getActivity();
3597        if (activity != null) {
3598            this.binding.textSendButton.setImageResource(
3599                    SendButtonTool.getSendButtonImageResource(activity, action, status));
3600        }
3601
3602        ViewGroup.LayoutParams params = binding.threadIdenticonLayout.getLayoutParams();
3603        if (identiconWidth < 0) identiconWidth = params.width;
3604        if (hasAttachments || binding.textinput.getText().toString().replaceFirst("^(\\w|[, ])+:\\s*", "").length() > 0) {
3605            binding.conversationViewPager.setCurrentItem(0);
3606            params.width = conversation.getThread() == null ? 0 : identiconWidth;
3607        } else {
3608            params.width = identiconWidth;
3609        }
3610        if (!canWrite()) params.width = 0;
3611        binding.threadIdenticonLayout.setLayoutParams(params);
3612    }
3613
3614    protected void updateStatusMessages() {
3615        DateSeparator.addAll(this.messageList);
3616        if (showLoadMoreMessages(conversation)) {
3617            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
3618        }
3619        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3620            ChatState state = conversation.getIncomingChatState();
3621            if (state == ChatState.COMPOSING) {
3622                this.messageList.add(
3623                        Message.createStatusMessage(
3624                                conversation,
3625                                getString(R.string.contact_is_typing, conversation.getName())));
3626            } else if (state == ChatState.PAUSED) {
3627                this.messageList.add(
3628                        Message.createStatusMessage(
3629                                conversation,
3630                                getString(
3631                                        R.string.contact_has_stopped_typing,
3632                                        conversation.getName())));
3633            } else {
3634                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3635                    final Message message = this.messageList.get(i);
3636                    if (message.getType() != Message.TYPE_STATUS) {
3637                        if (message.getStatus() == Message.STATUS_RECEIVED) {
3638                            return;
3639                        } else {
3640                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
3641                                this.messageList.add(
3642                                        i + 1,
3643                                        Message.createStatusMessage(
3644                                                conversation,
3645                                                getString(
3646                                                        R.string.contact_has_read_up_to_this_point,
3647                                                        conversation.getName())));
3648                                return;
3649                            }
3650                        }
3651                    }
3652                }
3653            }
3654        } else {
3655            final MucOptions mucOptions = conversation.getMucOptions();
3656            final List<MucOptions.User> allUsers = mucOptions.getUsers();
3657            final Set<ReadByMarker> addedMarkers = new HashSet<>();
3658            ChatState state = ChatState.COMPOSING;
3659            List<MucOptions.User> users =
3660                    conversation.getMucOptions().getUsersWithChatState(state, 5);
3661            if (users.size() == 0) {
3662                state = ChatState.PAUSED;
3663                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
3664            }
3665            if (mucOptions.isPrivateAndNonAnonymous()) {
3666                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3667                    final Set<ReadByMarker> markersForMessage =
3668                            messageList.get(i).getReadByMarkers();
3669                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
3670                    for (ReadByMarker marker : markersForMessage) {
3671                        if (!ReadByMarker.contains(marker, addedMarkers)) {
3672                            addedMarkers.add(
3673                                    marker); // may be put outside this condition. set should do
3674                                             // dedup anyway
3675                            MucOptions.User user = mucOptions.findUser(marker);
3676                            if (user != null && !users.contains(user)) {
3677                                shownMarkers.add(user);
3678                            }
3679                        }
3680                    }
3681                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
3682                    final Message statusMessage;
3683                    final int size = shownMarkers.size();
3684                    if (size > 1) {
3685                        final String body;
3686                        if (size <= 4) {
3687                            body =
3688                                    getString(
3689                                            R.string.contacts_have_read_up_to_this_point,
3690                                            UIHelper.concatNames(shownMarkers));
3691                        } else if (ReadByMarker.allUsersRepresented(
3692                                allUsers, markersForMessage, markerForSender)) {
3693                            body = getString(R.string.everyone_has_read_up_to_this_point);
3694                        } else {
3695                            body =
3696                                    getString(
3697                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
3698                                            UIHelper.concatNames(shownMarkers, 3),
3699                                            size - 3);
3700                        }
3701                        statusMessage = Message.createStatusMessage(conversation, body);
3702                        statusMessage.setCounterparts(shownMarkers);
3703                    } else if (size == 1) {
3704                        statusMessage =
3705                                Message.createStatusMessage(
3706                                        conversation,
3707                                        getString(
3708                                                R.string.contact_has_read_up_to_this_point,
3709                                                UIHelper.getDisplayName(shownMarkers.get(0))));
3710                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
3711                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
3712                    } else {
3713                        statusMessage = null;
3714                    }
3715                    if (statusMessage != null) {
3716                        this.messageList.add(i + 1, statusMessage);
3717                    }
3718                    addedMarkers.add(markerForSender);
3719                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
3720                        break;
3721                    }
3722                }
3723            }
3724            if (users.size() > 0) {
3725                Message statusMessage;
3726                if (users.size() == 1) {
3727                    MucOptions.User user = users.get(0);
3728                    int id =
3729                            state == ChatState.COMPOSING
3730                                    ? R.string.contact_is_typing
3731                                    : R.string.contact_has_stopped_typing;
3732                    statusMessage =
3733                            Message.createStatusMessage(
3734                                    conversation, getString(id, UIHelper.getDisplayName(user)));
3735                    statusMessage.setTrueCounterpart(user.getRealJid());
3736                    statusMessage.setCounterpart(user.getFullJid());
3737                } else {
3738                    int id =
3739                            state == ChatState.COMPOSING
3740                                    ? R.string.contacts_are_typing
3741                                    : R.string.contacts_have_stopped_typing;
3742                    statusMessage =
3743                            Message.createStatusMessage(
3744                                    conversation, getString(id, UIHelper.concatNames(users)));
3745                    statusMessage.setCounterparts(users);
3746                }
3747                this.messageList.add(statusMessage);
3748            }
3749        }
3750    }
3751
3752    private void stopScrolling() {
3753        long now = SystemClock.uptimeMillis();
3754        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
3755        binding.messagesView.dispatchTouchEvent(cancel);
3756    }
3757
3758    private boolean showLoadMoreMessages(final Conversation c) {
3759        if (activity == null || activity.xmppConnectionService == null) {
3760            return false;
3761        }
3762        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
3763        final MessageArchiveService service =
3764                activity.xmppConnectionService.getMessageArchiveService();
3765        return mam
3766                && (c.getLastClearHistory().getTimestamp() != 0
3767                        || (c.countMessages() == 0
3768                                && c.messagesLoaded.get()
3769                                && c.hasMessagesLeftOnServer()
3770                                && !service.queryInProgress(c)));
3771    }
3772
3773    private boolean hasMamSupport(final Conversation c) {
3774        if (c.getMode() == Conversation.MODE_SINGLE) {
3775            final XmppConnection connection = c.getAccount().getXmppConnection();
3776            return connection != null && connection.getFeatures().mam();
3777        } else {
3778            return c.getMucOptions().mamSupport();
3779        }
3780    }
3781
3782    protected void showSnackbar(
3783            final int message, final int action, final OnClickListener clickListener) {
3784        showSnackbar(message, action, clickListener, null);
3785    }
3786
3787    protected void showSnackbar(
3788            final int message,
3789            final int action,
3790            final OnClickListener clickListener,
3791            final View.OnLongClickListener longClickListener) {
3792        this.binding.snackbar.setVisibility(View.VISIBLE);
3793        this.binding.snackbar.setOnClickListener(null);
3794        this.binding.snackbarMessage.setText(message);
3795        this.binding.snackbarMessage.setOnClickListener(null);
3796        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
3797        if (action != 0) {
3798            this.binding.snackbarAction.setText(action);
3799        }
3800        this.binding.snackbarAction.setOnClickListener(clickListener);
3801        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
3802    }
3803
3804    protected void hideSnackbar() {
3805        this.binding.snackbar.setVisibility(View.GONE);
3806    }
3807
3808    protected void sendMessage(Message message) {
3809        new Thread(() -> activity.xmppConnectionService.sendMessage(message)).start();
3810        messageSent();
3811    }
3812
3813    protected void sendPgpMessage(final Message message) {
3814        final XmppConnectionService xmppService = activity.xmppConnectionService;
3815        final Contact contact = message.getConversation().getContact();
3816        if (!activity.hasPgp()) {
3817            activity.showInstallPgpDialog();
3818            return;
3819        }
3820        if (conversation.getAccount().getPgpSignature() == null) {
3821            activity.announcePgp(
3822                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
3823            return;
3824        }
3825        if (!mSendingPgpMessage.compareAndSet(false, true)) {
3826            Log.d(Config.LOGTAG, "sending pgp message already in progress");
3827        }
3828        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3829            if (contact.getPgpKeyId() != 0) {
3830                xmppService
3831                        .getPgpEngine()
3832                        .hasKey(
3833                                contact,
3834                                new UiCallback<Contact>() {
3835
3836                                    @Override
3837                                    public void userInputRequired(
3838                                            PendingIntent pi, Contact contact) {
3839                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
3840                                    }
3841
3842                                    @Override
3843                                    public void success(Contact contact) {
3844                                        encryptTextMessage(message);
3845                                    }
3846
3847                                    @Override
3848                                    public void error(int error, Contact contact) {
3849                                        activity.runOnUiThread(
3850                                                () ->
3851                                                        Toast.makeText(
3852                                                                        activity,
3853                                                                        R.string
3854                                                                                .unable_to_connect_to_keychain,
3855                                                                        Toast.LENGTH_SHORT)
3856                                                                .show());
3857                                        mSendingPgpMessage.set(false);
3858                                    }
3859                                });
3860
3861            } else {
3862                showNoPGPKeyDialog(
3863                        false,
3864                        (dialog, which) -> {
3865                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3866                            xmppService.updateConversation(conversation);
3867                            message.setEncryption(Message.ENCRYPTION_NONE);
3868                            xmppService.sendMessage(message);
3869                            messageSent();
3870                        });
3871            }
3872        } else {
3873            if (conversation.getMucOptions().pgpKeysInUse()) {
3874                if (!conversation.getMucOptions().everybodyHasKeys()) {
3875                    Toast warning =
3876                            Toast.makeText(
3877                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
3878                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
3879                    warning.show();
3880                }
3881                encryptTextMessage(message);
3882            } else {
3883                showNoPGPKeyDialog(
3884                        true,
3885                        (dialog, which) -> {
3886                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3887                            message.setEncryption(Message.ENCRYPTION_NONE);
3888                            xmppService.updateConversation(conversation);
3889                            xmppService.sendMessage(message);
3890                            messageSent();
3891                        });
3892            }
3893        }
3894    }
3895
3896    public void encryptTextMessage(Message message) {
3897        activity.xmppConnectionService
3898                .getPgpEngine()
3899                .encrypt(
3900                        message,
3901                        new UiCallback<Message>() {
3902
3903                            @Override
3904                            public void userInputRequired(PendingIntent pi, Message message) {
3905                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
3906                            }
3907
3908                            @Override
3909                            public void success(Message message) {
3910                                // TODO the following two call can be made before the callback
3911                                getActivity().runOnUiThread(() -> messageSent());
3912                            }
3913
3914                            @Override
3915                            public void error(final int error, Message message) {
3916                                getActivity()
3917                                        .runOnUiThread(
3918                                                () -> {
3919                                                    doneSendingPgpMessage();
3920                                                    Toast.makeText(
3921                                                                    getActivity(),
3922                                                                    error == 0
3923                                                                            ? R.string
3924                                                                                    .unable_to_connect_to_keychain
3925                                                                            : error,
3926                                                                    Toast.LENGTH_SHORT)
3927                                                            .show();
3928                                                });
3929                            }
3930                        });
3931    }
3932
3933    public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) {
3934        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
3935        builder.setIconAttribute(android.R.attr.alertDialogIcon);
3936        if (plural) {
3937            builder.setTitle(getString(R.string.no_pgp_keys));
3938            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
3939        } else {
3940            builder.setTitle(getString(R.string.no_pgp_key));
3941            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
3942        }
3943        builder.setNegativeButton(getString(R.string.cancel), null);
3944        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
3945        builder.create().show();
3946    }
3947
3948    public void appendText(String text, final boolean doNotAppend) {
3949        if (text == null) {
3950            return;
3951        }
3952        final Editable editable = this.binding.textinput.getText();
3953        String previous = editable == null ? "" : editable.toString();
3954        if (doNotAppend && !TextUtils.isEmpty(previous)) {
3955            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
3956                    .show();
3957            return;
3958        }
3959        if (UIHelper.isLastLineQuote(previous)) {
3960            text = '\n' + text;
3961        } else if (previous.length() != 0
3962                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
3963            text = " " + text;
3964        }
3965        this.binding.textinput.append(text);
3966    }
3967
3968    @Override
3969    public boolean onEnterPressed(final boolean isCtrlPressed) {
3970        if (isCtrlPressed || enterIsSend()) {
3971            sendMessage();
3972            return true;
3973        }
3974        return false;
3975    }
3976
3977    private boolean enterIsSend() {
3978        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
3979        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
3980    }
3981
3982    public boolean onArrowUpCtrlPressed() {
3983        final Message lastEditableMessage =
3984                conversation == null ? null : conversation.getLastEditableMessage();
3985        if (lastEditableMessage != null) {
3986            correctMessage(lastEditableMessage);
3987            return true;
3988        } else {
3989            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
3990                    .show();
3991            return false;
3992        }
3993    }
3994
3995    @Override
3996    public void onTypingStarted() {
3997        final XmppConnectionService service =
3998                activity == null ? null : activity.xmppConnectionService;
3999        if (service == null) {
4000            return;
4001        }
4002        final Account.State status = conversation.getAccount().getStatus();
4003        if (status == Account.State.ONLINE
4004                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
4005            service.sendChatState(conversation);
4006        }
4007        runOnUiThread(this::updateSendButton);
4008    }
4009
4010    @Override
4011    public void onTypingStopped() {
4012        final XmppConnectionService service =
4013                activity == null ? null : activity.xmppConnectionService;
4014        if (service == null) {
4015            return;
4016        }
4017        final Account.State status = conversation.getAccount().getStatus();
4018        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
4019            service.sendChatState(conversation);
4020        }
4021    }
4022
4023    @Override
4024    public void onTextDeleted() {
4025        final XmppConnectionService service =
4026                activity == null ? null : activity.xmppConnectionService;
4027        if (service == null) {
4028            return;
4029        }
4030        final Account.State status = conversation.getAccount().getStatus();
4031        if (status == Account.State.ONLINE
4032                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
4033            service.sendChatState(conversation);
4034        }
4035        if (storeNextMessage()) {
4036            runOnUiThread(
4037                    () -> {
4038                        if (activity == null) {
4039                            return;
4040                        }
4041                        activity.onConversationsListItemUpdated();
4042                    });
4043        }
4044        runOnUiThread(this::updateSendButton);
4045    }
4046
4047    @Override
4048    public void onTextChanged() {
4049        if (conversation != null && conversation.getCorrectingMessage() != null) {
4050            runOnUiThread(this::updateSendButton);
4051        }
4052    }
4053
4054    @Override
4055    public boolean onTabPressed(boolean repeated) {
4056        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
4057            return false;
4058        }
4059        if (repeated) {
4060            completionIndex++;
4061        } else {
4062            lastCompletionLength = 0;
4063            completionIndex = 0;
4064            final String content = this.binding.textinput.getText().toString();
4065            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
4066            int start =
4067                    lastCompletionCursor > 0
4068                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
4069                            : 0;
4070            firstWord = start == 0;
4071            incomplete = content.substring(start, lastCompletionCursor);
4072        }
4073        List<String> completions = new ArrayList<>();
4074        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
4075            String name = user.getNick();
4076            if (name != null && name.startsWith(incomplete)) {
4077                completions.add(name + (firstWord ? ": " : " "));
4078            }
4079        }
4080        Collections.sort(completions);
4081        if (completions.size() > completionIndex) {
4082            String completion = completions.get(completionIndex).substring(incomplete.length());
4083            this.binding
4084                    .textinput
4085                    .getEditableText()
4086                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4087            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
4088            lastCompletionLength = completion.length();
4089        } else {
4090            completionIndex = -1;
4091            this.binding
4092                    .textinput
4093                    .getEditableText()
4094                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
4095            lastCompletionLength = 0;
4096        }
4097        return true;
4098    }
4099
4100    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
4101        try {
4102            getActivity()
4103                    .startIntentSenderForResult(
4104                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
4105        } catch (final SendIntentException ignored) {
4106        }
4107    }
4108
4109    @Override
4110    public void onBackendConnected() {
4111        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
4112        setupEmojiSearch();
4113        String uuid = pendingConversationsUuid.pop();
4114        if (uuid != null) {
4115            if (!findAndReInitByUuidOrArchive(uuid)) {
4116                return;
4117            }
4118        } else {
4119            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
4120                clearPending();
4121                activity.onConversationArchived(conversation);
4122                return;
4123            }
4124        }
4125        ActivityResult activityResult = postponedActivityResult.pop();
4126        if (activityResult != null) {
4127            handleActivityResult(activityResult);
4128        }
4129        clearPending();
4130    }
4131
4132    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
4133        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
4134        if (conversation == null) {
4135            clearPending();
4136            activity.onConversationArchived(null);
4137            return false;
4138        }
4139        reInit(conversation);
4140        ScrollState scrollState = pendingScrollState.pop();
4141        String lastMessageUuid = pendingLastMessageUuid.pop();
4142        List<Attachment> attachments = pendingMediaPreviews.pop();
4143        if (scrollState != null) {
4144            setScrollPosition(scrollState, lastMessageUuid);
4145        }
4146        if (attachments != null && attachments.size() > 0) {
4147            Log.d(Config.LOGTAG, "had attachments on restore");
4148            mediaPreviewAdapter.addMediaPreviews(attachments);
4149            toggleInputMethod();
4150        }
4151        return true;
4152    }
4153
4154    private void clearPending() {
4155        if (postponedActivityResult.clear()) {
4156            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
4157            if (pendingTakePhotoUri.clear()) {
4158                Log.e(Config.LOGTAG, "cleared pending photo uri");
4159            }
4160        }
4161        if (pendingScrollState.clear()) {
4162            Log.e(Config.LOGTAG, "cleared scroll state");
4163        }
4164        if (pendingConversationsUuid.clear()) {
4165            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
4166        }
4167        if (pendingMediaPreviews.clear()) {
4168            Log.e(Config.LOGTAG, "cleared pending media previews");
4169        }
4170    }
4171
4172    public Conversation getConversation() {
4173        return conversation;
4174    }
4175
4176    @Override
4177    public void onContactPictureLongClicked(View v, final Message message) {
4178        final String fingerprint;
4179        if (message.getEncryption() == Message.ENCRYPTION_PGP
4180                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
4181            fingerprint = "pgp";
4182        } else {
4183            fingerprint = message.getFingerprint();
4184        }
4185        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
4186        final Contact contact = message.getContact();
4187        if (message.getStatus() <= Message.STATUS_RECEIVED
4188                && (contact == null || !contact.isSelf())) {
4189            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
4190                final Jid cp = message.getCounterpart();
4191                if (cp == null || cp.isBareJid()) {
4192                    return;
4193                }
4194                final Jid tcp = message.getTrueCounterpart();
4195                final User userByRealJid =
4196                        tcp != null
4197                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp)
4198                                : null;
4199                final User user =
4200                        userByRealJid != null
4201                                ? userByRealJid
4202                                : conversation.getMucOptions().findUserByFullJid(cp);
4203                if (user == null) return;
4204                popupMenu.inflate(R.menu.muc_details_context);
4205                final Menu menu = popupMenu.getMenu();
4206                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
4207                        activity, menu, conversation, user);
4208                popupMenu.setOnMenuItemClickListener(
4209                        menuItem ->
4210                                MucDetailsContextMenuHelper.onContextItemSelected(
4211                                        menuItem, user, activity, fingerprint));
4212            } else {
4213                popupMenu.inflate(R.menu.one_on_one_context);
4214                popupMenu.setOnMenuItemClickListener(
4215                        item -> {
4216                            switch (item.getItemId()) {
4217                                case R.id.action_contact_details:
4218                                    activity.switchToContactDetails(
4219                                            message.getContact(), fingerprint);
4220                                    break;
4221                                case R.id.action_show_qr_code:
4222                                    activity.showQrCode(
4223                                            "xmpp:"
4224                                                    + message.getContact()
4225                                                            .getJid()
4226                                                            .asBareJid()
4227                                                            .toEscapedString());
4228                                    break;
4229                            }
4230                            return true;
4231                        });
4232            }
4233        } else {
4234            popupMenu.inflate(R.menu.account_context);
4235            final Menu menu = popupMenu.getMenu();
4236            menu.findItem(R.id.action_manage_accounts)
4237                    .setVisible(QuickConversationsService.isConversations());
4238            popupMenu.setOnMenuItemClickListener(
4239                    item -> {
4240                        final XmppActivity activity = this.activity;
4241                        if (activity == null) {
4242                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
4243                            return true;
4244                        }
4245                        switch (item.getItemId()) {
4246                            case R.id.action_show_qr_code:
4247                                activity.showQrCode(conversation.getAccount().getShareableUri());
4248                                break;
4249                            case R.id.action_account_details:
4250                                activity.switchToAccount(
4251                                        message.getConversation().getAccount(), fingerprint);
4252                                break;
4253                            case R.id.action_manage_accounts:
4254                                AccountUtils.launchManageAccounts(activity);
4255                                break;
4256                        }
4257                        return true;
4258                    });
4259        }
4260        popupMenu.show();
4261    }
4262
4263    @Override
4264    public void onContactPictureClicked(Message message) {
4265        setThread(message.getThread());
4266        if (message.isPrivateMessage()) {
4267            privateMessageWith(message.getCounterpart());
4268            return;
4269        }
4270        forkNullThread(message);
4271        conversation.setUserSelectedThread(true);
4272
4273        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
4274        if (received) {
4275            if (message.getConversation() instanceof Conversation
4276                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
4277                Jid tcp = message.getTrueCounterpart();
4278                Jid user = message.getCounterpart();
4279                if (user != null && !user.isBareJid()) {
4280                    final MucOptions mucOptions =
4281                            ((Conversation) message.getConversation()).getMucOptions();
4282                    if (mucOptions.participating()
4283                            || ((Conversation) message.getConversation()).getNextCounterpart()
4284                                    != null) {
4285                        MucOptions.User mucUser = mucOptions.findUserByFullJid(user);
4286                        MucOptions.User tcpMucUser = mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid());
4287                        if (mucUser == null && tcpMucUser == null) {
4288                            Toast.makeText(
4289                                            getActivity(),
4290                                            activity.getString(
4291                                                    R.string.user_has_left_conference,
4292                                                    user.getResource()),
4293                                            Toast.LENGTH_SHORT)
4294                                    .show();
4295                        }
4296                        highlightInConference(mucUser == null ? (tcpMucUser == null ? user.getResource() : tcpMucUser.getNick()) : mucUser.getNick());
4297                    } else {
4298                        Toast.makeText(
4299                                        getActivity(),
4300                                        R.string.you_are_not_participating,
4301                                        Toast.LENGTH_SHORT)
4302                                .show();
4303                    }
4304                }
4305            }
4306        }
4307    }
4308
4309    private Activity requireActivity() {
4310        final Activity activity = getActivity();
4311        if (activity == null) {
4312            throw new IllegalStateException("Activity not attached");
4313        }
4314        return activity;
4315    }
4316}