ConversationFragment.java

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