ConversationFragment.java

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