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