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.setThread(conversation.getThread());
 874            Message.configurePrivateMessage(message);
 875        } else {
 876            message = conversation.getCorrectingMessage();
 877            message.setBody(body);
 878            message.putEdited(message.getUuid(), message.getServerMsgId());
 879            message.setServerMsgId(null);
 880            message.setUuid(UUID.randomUUID().toString());
 881        }
 882        switch (conversation.getNextEncryption()) {
 883            case Message.ENCRYPTION_PGP:
 884                sendPgpMessage(message);
 885                break;
 886            default:
 887                sendMessage(message);
 888        }
 889    }
 890
 891    private boolean trustKeysIfNeeded(final Conversation conversation, final int requestCode) {
 892        return conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL
 893                && trustKeysIfNeeded(requestCode);
 894    }
 895
 896    protected boolean trustKeysIfNeeded(int requestCode) {
 897        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
 898        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
 899        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
 900        boolean hasUndecidedOwn =
 901                !axolotlService
 902                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided())
 903                        .isEmpty();
 904        boolean hasUndecidedContacts =
 905                !axolotlService
 906                        .getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets)
 907                        .isEmpty();
 908        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
 909        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
 910        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
 911        if (hasUndecidedOwn
 912                || hasUndecidedContacts
 913                || hasPendingKeys
 914                || hasNoTrustedKeys
 915                || hasUnaccepted
 916                || downloadInProgress) {
 917            axolotlService.createSessionsIfNeeded(conversation);
 918            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
 919            String[] contacts = new String[targets.size()];
 920            for (int i = 0; i < contacts.length; ++i) {
 921                contacts[i] = targets.get(i).toString();
 922            }
 923            intent.putExtra("contacts", contacts);
 924            intent.putExtra(
 925                    EXTRA_ACCOUNT,
 926                    conversation.getAccount().getJid().asBareJid().toEscapedString());
 927            intent.putExtra("conversation", conversation.getUuid());
 928            startActivityForResult(intent, requestCode);
 929            return true;
 930        } else {
 931            return false;
 932        }
 933    }
 934
 935    public void updateChatMsgHint() {
 936        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
 937        if (conversation.getCorrectingMessage() != null) {
 938            this.binding.textInputHint.setVisibility(View.GONE);
 939            this.binding.textinput.setHint(R.string.send_corrected_message);
 940            binding.conversationViewPager.setCurrentItem(0);
 941        } else if (multi && conversation.getNextCounterpart() != null) {
 942            this.binding.textinput.setHint(R.string.send_message);
 943            this.binding.textInputHint.setVisibility(View.VISIBLE);
 944            this.binding.textInputHint.setText(
 945                    getString(
 946                            R.string.send_private_message_to,
 947                            conversation.getNextCounterpart().getResource()));
 948            binding.conversationViewPager.setCurrentItem(0);
 949        } else if (multi && !conversation.getMucOptions().participating()) {
 950            this.binding.textInputHint.setVisibility(View.GONE);
 951            this.binding.textinput.setHint(R.string.you_are_not_participating);
 952        } else {
 953            this.binding.textInputHint.setVisibility(View.GONE);
 954            this.binding.textinput.setHint(UIHelper.getMessageHint(getActivity(), conversation));
 955            getActivity().invalidateOptionsMenu();
 956        }
 957
 958        binding.messagesView.post(this::updateThreadFromLastMessage);
 959    }
 960
 961    public void setupIme() {
 962        this.binding.textinput.refreshIme();
 963    }
 964
 965    private void handleActivityResult(ActivityResult activityResult) {
 966        if (activityResult.resultCode == Activity.RESULT_OK) {
 967            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
 968        } else {
 969            handleNegativeActivityResult(activityResult.requestCode);
 970        }
 971    }
 972
 973    private void handlePositiveActivityResult(int requestCode, final Intent data) {
 974        switch (requestCode) {
 975            case REQUEST_TRUST_KEYS_TEXT:
 976                sendMessage();
 977                break;
 978            case REQUEST_TRUST_KEYS_ATTACHMENTS:
 979                commitAttachments();
 980                break;
 981            case REQUEST_START_AUDIO_CALL:
 982                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
 983                break;
 984            case REQUEST_START_VIDEO_CALL:
 985                triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
 986                break;
 987            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 988                final List<Attachment> imageUris =
 989                        Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
 990                mediaPreviewAdapter.addMediaPreviews(imageUris);
 991                toggleInputMethod();
 992                break;
 993            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 994                final Uri takePhotoUri = pendingTakePhotoUri.pop();
 995                if (takePhotoUri != null) {
 996                    mediaPreviewAdapter.addMediaPreviews(
 997                            Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
 998                    toggleInputMethod();
 999                } else {
1000                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
1001                }
1002                break;
1003            case ATTACHMENT_CHOICE_CHOOSE_FILE:
1004            case ATTACHMENT_CHOICE_RECORD_VIDEO:
1005            case ATTACHMENT_CHOICE_RECORD_VOICE:
1006                final Attachment.Type type =
1007                        requestCode == ATTACHMENT_CHOICE_RECORD_VOICE
1008                                ? Attachment.Type.RECORDING
1009                                : Attachment.Type.FILE;
1010                final List<Attachment> fileUris =
1011                        Attachment.extractAttachments(getActivity(), data, type);
1012                mediaPreviewAdapter.addMediaPreviews(fileUris);
1013                toggleInputMethod();
1014                break;
1015            case ATTACHMENT_CHOICE_LOCATION:
1016                final double latitude = data.getDoubleExtra("latitude", 0);
1017                final double longitude = data.getDoubleExtra("longitude", 0);
1018                final int accuracy = data.getIntExtra("accuracy", 0);
1019                final Uri geo;
1020                if (accuracy > 0) {
1021                    geo = Uri.parse(String.format("geo:%s,%s;u=%s", latitude, longitude, accuracy));
1022                } else {
1023                    geo = Uri.parse(String.format("geo:%s,%s", latitude, longitude));
1024                }
1025                mediaPreviewAdapter.addMediaPreviews(
1026                        Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
1027                toggleInputMethod();
1028                break;
1029            case REQUEST_INVITE_TO_CONVERSATION:
1030                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
1031                if (invite != null) {
1032                    if (invite.execute(activity)) {
1033                        activity.mToast =
1034                                Toast.makeText(
1035                                        activity, R.string.creating_conference, Toast.LENGTH_LONG);
1036                        activity.mToast.show();
1037                    }
1038                }
1039                break;
1040        }
1041    }
1042
1043    private void commitAttachments() {
1044        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
1045        if (anyNeedsExternalStoragePermission(attachments)
1046                && !hasPermissions(
1047                        REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1048            return;
1049        }
1050        if (trustKeysIfNeeded(conversation, REQUEST_TRUST_KEYS_ATTACHMENTS)) {
1051            return;
1052        }
1053        final PresenceSelector.OnPresenceSelected callback =
1054                () -> {
1055                    for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
1056                        final Attachment attachment = i.next();
1057                        if (attachment.getType() == Attachment.Type.LOCATION) {
1058                            attachLocationToConversation(conversation, attachment.getUri());
1059                        } else if (attachment.getType() == Attachment.Type.IMAGE) {
1060                            Log.d(
1061                                    Config.LOGTAG,
1062                                    "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
1063                            attachImageToConversation(
1064                                    conversation, attachment.getUri(), attachment.getMime());
1065                        } else {
1066                            Log.d(
1067                                    Config.LOGTAG,
1068                                    "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
1069                            attachFileToConversation(
1070                                    conversation, attachment.getUri(), attachment.getMime());
1071                        }
1072                    }
1073                    mediaPreviewAdapter.notifyDataSetChanged();
1074                    toggleInputMethod();
1075                };
1076        if (conversation == null
1077                || conversation.getMode() == Conversation.MODE_MULTI
1078                || Attachment.canBeSendInband(attachments)
1079                || (conversation.getAccount().httpUploadAvailable()
1080                        && FileBackend.allFilesUnderSize(
1081                                getActivity(), attachments, getMaxHttpUploadSize(conversation)))) {
1082            callback.onPresenceSelected();
1083        } else {
1084            activity.selectPresence(conversation, callback);
1085        }
1086    }
1087
1088    private static boolean anyNeedsExternalStoragePermission(
1089            final Collection<Attachment> attachments) {
1090        for (final Attachment attachment : attachments) {
1091            if (attachment.getType() != Attachment.Type.LOCATION) {
1092                return true;
1093            }
1094        }
1095        return false;
1096    }
1097
1098    public void toggleInputMethod() {
1099        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
1100        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
1101        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
1102        updateSendButton();
1103    }
1104
1105    private void handleNegativeActivityResult(int requestCode) {
1106        switch (requestCode) {
1107            case ATTACHMENT_CHOICE_TAKE_PHOTO:
1108                if (pendingTakePhotoUri.clear()) {
1109                    Log.d(
1110                            Config.LOGTAG,
1111                            "cleared pending photo uri after negative activity result");
1112                }
1113                break;
1114        }
1115    }
1116
1117    @Override
1118    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
1119        super.onActivityResult(requestCode, resultCode, data);
1120        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
1121        if (activity != null && activity.xmppConnectionService != null) {
1122            handleActivityResult(activityResult);
1123        } else {
1124            this.postponedActivityResult.push(activityResult);
1125        }
1126    }
1127
1128    public void unblockConversation(final Blockable conversation) {
1129        activity.xmppConnectionService.sendUnblockRequest(conversation);
1130    }
1131
1132    @Override
1133    public void onAttach(Activity activity) {
1134        super.onAttach(activity);
1135        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
1136        if (activity instanceof ConversationsActivity) {
1137            this.activity = (ConversationsActivity) activity;
1138        } else {
1139            throw new IllegalStateException(
1140                    "Trying to attach fragment to activity that is not the ConversationsActivity");
1141        }
1142    }
1143
1144    @Override
1145    public void onDetach() {
1146        super.onDetach();
1147        this.activity = null; // TODO maybe not a good idea since some callbacks really need it
1148    }
1149
1150    @Override
1151    public void onCreate(Bundle savedInstanceState) {
1152        super.onCreate(savedInstanceState);
1153        setHasOptionsMenu(true);
1154    }
1155
1156    @Override
1157    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
1158        menuInflater.inflate(R.menu.fragment_conversation, menu);
1159        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
1160        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
1161        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
1162        final MenuItem menuMute = menu.findItem(R.id.action_mute);
1163        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
1164        final MenuItem menuCall = menu.findItem(R.id.action_call);
1165        final MenuItem menuOngoingCall = menu.findItem(R.id.action_ongoing_call);
1166        final MenuItem menuVideoCall = menu.findItem(R.id.action_video_call);
1167        final MenuItem menuTogglePinned = menu.findItem(R.id.action_toggle_pinned);
1168
1169        if (conversation != null) {
1170            if (conversation.getMode() == Conversation.MODE_MULTI) {
1171                menuContactDetails.setVisible(false);
1172                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
1173                menuMucDetails.setTitle(
1174                        conversation.getMucOptions().isPrivateAndNonAnonymous()
1175                                ? R.string.action_muc_details
1176                                : R.string.channel_details);
1177                menuCall.setVisible(false);
1178                menuOngoingCall.setVisible(false);
1179            } else {
1180                final XmppConnectionService service =
1181                        activity == null ? null : activity.xmppConnectionService;
1182                final Optional<OngoingRtpSession> ongoingRtpSession =
1183                        service == null
1184                                ? Optional.absent()
1185                                : service.getJingleConnectionManager()
1186                                        .getOngoingRtpConnection(conversation.getContact());
1187                if (ongoingRtpSession.isPresent()) {
1188                    menuOngoingCall.setVisible(true);
1189                    menuCall.setVisible(false);
1190                } else {
1191                    menuOngoingCall.setVisible(false);
1192                    final RtpCapability.Capability rtpCapability =
1193                            RtpCapability.check(conversation.getContact());
1194                    final boolean cameraAvailable =
1195                            activity != null && activity.isCameraFeatureAvailable();
1196                    menuCall.setVisible(rtpCapability != RtpCapability.Capability.NONE);
1197                    menuVideoCall.setVisible(
1198                            rtpCapability == RtpCapability.Capability.VIDEO && cameraAvailable);
1199                }
1200                menuContactDetails.setVisible(!this.conversation.withSelf());
1201                menuMucDetails.setVisible(false);
1202                menuInviteContact.setVisible(
1203                        service != null
1204                                && service.findConferenceServer(conversation.getAccount()) != null);
1205            }
1206            if (conversation.isMuted()) {
1207                menuMute.setVisible(false);
1208            } else {
1209                menuUnmute.setVisible(false);
1210            }
1211            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu);
1212            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
1213            if (conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false)) {
1214                menuTogglePinned.setTitle(R.string.remove_from_favorites);
1215            } else {
1216                menuTogglePinned.setTitle(R.string.add_to_favorites);
1217            }
1218        }
1219        super.onCreateOptionsMenu(menu, menuInflater);
1220    }
1221
1222    @Override
1223    public View onCreateView(
1224            final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
1225        this.binding =
1226                DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
1227        binding.getRoot().setOnClickListener(null); // TODO why the fuck did we do this?
1228
1229        binding.textinput.addTextChangedListener(
1230                new StylingHelper.MessageEditorStyler(binding.textinput));
1231
1232        binding.textinput.setOnEditorActionListener(mEditorActionListener);
1233        binding.textinput.setRichContentListener(new String[] {"image/*"}, mEditorContentListener);
1234
1235        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
1236
1237        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
1238        binding.messagesView.setOnScrollListener(mOnScrollListener);
1239        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
1240        mediaPreviewAdapter = new MediaPreviewAdapter(this);
1241        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
1242        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
1243        messageListAdapter.setOnContactPictureClicked(this);
1244        messageListAdapter.setOnContactPictureLongClicked(this);
1245        binding.messagesView.setAdapter(messageListAdapter);
1246
1247        registerForContextMenu(binding.messagesView);
1248
1249        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1250            this.binding.textinput.setCustomInsertionActionModeCallback(
1251                    new EditMessageActionModeCallback(this.binding.textinput));
1252        }
1253
1254        binding.threadIdenticon.setOnClickListener(v -> newThread());
1255
1256        return binding.getRoot();
1257    }
1258
1259    @Override
1260    public void onDestroyView() {
1261        super.onDestroyView();
1262        Log.d(Config.LOGTAG, "ConversationFragment.onDestroyView()");
1263        messageListAdapter.setOnContactPictureClicked(null);
1264        messageListAdapter.setOnContactPictureLongClicked(null);
1265        if (conversation != null) conversation.setupViewPager(null, null);
1266    }
1267
1268    private void quoteText(String text) {
1269        if (binding.textinput.isEnabled()) {
1270            binding.textinput.insertAsQuote(text);
1271            binding.textinput.requestFocus();
1272            InputMethodManager inputMethodManager =
1273                    (InputMethodManager)
1274                            getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1275            if (inputMethodManager != null) {
1276                inputMethodManager.showSoftInput(
1277                        binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1278            }
1279        }
1280    }
1281
1282    private void quoteMessage(Message message) {
1283        setThread(message.getThread());
1284        quoteText(MessageUtils.prepareQuote(message));
1285    }
1286
1287    private void setThread(Element thread) {
1288        this.conversation.setThread(thread);
1289        binding.threadIdenticon.setAlpha(0f);
1290        if (thread != null) {
1291            final String threadId = thread.getContent();
1292            if (threadId != null) {
1293                binding.threadIdenticon.setAlpha(1f);
1294                binding.threadIdenticon.setColor(UIHelper.getColorForName(threadId));
1295                binding.threadIdenticon.setHash(UIHelper.identiconHash(threadId));
1296            }
1297        }
1298    }
1299
1300    @Override
1301    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1302        // This should cancel any remaining click events that would otherwise trigger links
1303        v.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1304        synchronized (this.messageList) {
1305            super.onCreateContextMenu(menu, v, menuInfo);
1306            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1307            this.selectedMessage = this.messageList.get(acmi.position);
1308            populateContextMenu(menu);
1309        }
1310    }
1311
1312    private void populateContextMenu(ContextMenu menu) {
1313        final Message m = this.selectedMessage;
1314        final Transferable t = m.getTransferable();
1315        Message relevantForCorrection = m;
1316        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1317            relevantForCorrection = relevantForCorrection.next();
1318        }
1319        if (m.getType() != Message.TYPE_STATUS && m.getType() != Message.TYPE_RTP_SESSION) {
1320
1321            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE
1322                    || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1323                return;
1324            }
1325
1326            if (m.getStatus() == Message.STATUS_RECEIVED
1327                    && t != null
1328                    && (t.getStatus() == Transferable.STATUS_CANCELLED
1329                            || t.getStatus() == Transferable.STATUS_FAILED)) {
1330                return;
1331            }
1332
1333            final boolean deleted = m.isDeleted();
1334            final boolean encrypted =
1335                    m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1336                            || m.getEncryption() == Message.ENCRYPTION_PGP;
1337            final boolean receiving =
1338                    m.getStatus() == Message.STATUS_RECEIVED
1339                            && (t instanceof JingleFileTransferConnection
1340                                    || t instanceof HttpDownloadConnection);
1341            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1342            menu.setHeaderTitle(R.string.message_options);
1343            MenuItem openWith = menu.findItem(R.id.open_with);
1344            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1345            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1346            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1347            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1348            MenuItem retractMessage = menu.findItem(R.id.retract_message);
1349            MenuItem shareWith = menu.findItem(R.id.share_with);
1350            MenuItem sendAgain = menu.findItem(R.id.send_again);
1351            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1352            MenuItem downloadFile = menu.findItem(R.id.download_file);
1353            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1354            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1355            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1356            final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(m);
1357            final boolean showError =
1358                    m.getStatus() == Message.STATUS_SEND_FAILED
1359                            && m.getErrorMessage() != null
1360                            && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1361            if (!m.isFileOrImage()
1362                    && !encrypted
1363                    && !m.isGeoUri()
1364                    && !m.treatAsDownloadable()
1365                    && !unInitiatedButKnownSize
1366                    && t == null) {
1367                copyMessage.setVisible(true);
1368                quoteMessage.setVisible(!showError && MessageUtils.prepareQuote(m).length() > 0);
1369            }
1370            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1371                retryDecryption.setVisible(true);
1372            }
1373            if (!showError
1374                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1375                    && !m.isGeoUri()
1376                    && relevantForCorrection.isLastCorrectableMessage()
1377                    && m.getConversation() instanceof Conversation) {
1378                correctMessage.setVisible(true);
1379                if (!relevantForCorrection.getBody().equals("") && !relevantForCorrection.getBody().equals(" ")) retractMessage.setVisible(true);
1380            }
1381            if ((m.isFileOrImage() && !deleted && !receiving)
1382                    || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())
1383                            && !unInitiatedButKnownSize
1384                            && t == null) {
1385                shareWith.setVisible(true);
1386            }
1387            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1388                sendAgain.setVisible(true);
1389            }
1390            if (m.hasFileOnRemoteHost()
1391                    || m.isGeoUri()
1392                    || m.treatAsDownloadable()
1393                    || unInitiatedButKnownSize
1394                    || t instanceof HttpDownloadConnection) {
1395                copyUrl.setVisible(true);
1396            }
1397            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1398                downloadFile.setVisible(true);
1399                downloadFile.setTitle(
1400                        activity.getString(
1401                                R.string.download_x_file,
1402                                UIHelper.getFileDescriptionString(activity, m)));
1403            }
1404            final boolean waitingOfferedSending =
1405                    m.getStatus() == Message.STATUS_WAITING
1406                            || m.getStatus() == Message.STATUS_UNSEND
1407                            || m.getStatus() == Message.STATUS_OFFERED;
1408            final boolean cancelable =
1409                    (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1410            if (cancelable) {
1411                cancelTransmission.setVisible(true);
1412            }
1413            if (m.isFileOrImage() && !deleted && !cancelable) {
1414                final String path = m.getRelativeFilePath();
1415                if (path == null
1416                        || !path.startsWith("/")
1417                        || FileBackend.inConversationsDirectory(requireActivity(), path)) {
1418                    deleteFile.setVisible(true);
1419                    deleteFile.setTitle(
1420                            activity.getString(
1421                                    R.string.delete_x_file,
1422                                    UIHelper.getFileDescriptionString(activity, m)));
1423                }
1424            }
1425            if (showError) {
1426                showErrorMessage.setVisible(true);
1427            }
1428            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1429            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(), m))
1430                    || (mime != null && mime.startsWith("audio/"))) {
1431                openWith.setVisible(true);
1432            }
1433        }
1434    }
1435
1436    @Override
1437    public boolean onContextItemSelected(MenuItem item) {
1438        switch (item.getItemId()) {
1439            case R.id.share_with:
1440                ShareUtil.share(activity, selectedMessage);
1441                return true;
1442            case R.id.correct_message:
1443                correctMessage(selectedMessage);
1444                return true;
1445            case R.id.retract_message:
1446                new AlertDialog.Builder(activity)
1447                    .setTitle(R.string.retract_message)
1448                    .setMessage("Do you really want to retract this message?")
1449                    .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
1450                        Message message = selectedMessage;
1451                        while (message.mergeable(message.next())) {
1452                            message = message.next();
1453                        }
1454                        message.setBody(" ");
1455                        message.putEdited(message.getUuid(), message.getServerMsgId());
1456                        message.setServerMsgId(null);
1457                        message.setUuid(UUID.randomUUID().toString());
1458                        sendMessage(message);
1459                    })
1460                    .setNegativeButton(R.string.no, null).show();
1461                return true;
1462            case R.id.copy_message:
1463                ShareUtil.copyToClipboard(activity, selectedMessage);
1464                return true;
1465            case R.id.quote_message:
1466                quoteMessage(selectedMessage);
1467                return true;
1468            case R.id.send_again:
1469                resendMessage(selectedMessage);
1470                return true;
1471            case R.id.copy_url:
1472                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1473                return true;
1474            case R.id.download_file:
1475                startDownloadable(selectedMessage);
1476                return true;
1477            case R.id.cancel_transmission:
1478                cancelTransmission(selectedMessage);
1479                return true;
1480            case R.id.retry_decryption:
1481                retryDecryption(selectedMessage);
1482                return true;
1483            case R.id.delete_file:
1484                deleteFile(selectedMessage);
1485                return true;
1486            case R.id.show_error_message:
1487                showErrorMessage(selectedMessage);
1488                return true;
1489            case R.id.open_with:
1490                openWith(selectedMessage);
1491                return true;
1492            default:
1493                return super.onContextItemSelected(item);
1494        }
1495    }
1496
1497    @Override
1498    public boolean onOptionsItemSelected(final MenuItem item) {
1499        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1500            return false;
1501        } else if (conversation == null) {
1502            return super.onOptionsItemSelected(item);
1503        }
1504        switch (item.getItemId()) {
1505            case R.id.encryption_choice_axolotl:
1506            case R.id.encryption_choice_pgp:
1507            case R.id.encryption_choice_none:
1508                handleEncryptionSelection(item);
1509                break;
1510            case R.id.attach_choose_picture:
1511            case R.id.attach_take_picture:
1512            case R.id.attach_record_video:
1513            case R.id.attach_choose_file:
1514            case R.id.attach_record_voice:
1515            case R.id.attach_location:
1516                handleAttachmentSelection(item);
1517                break;
1518            case R.id.action_search:
1519                startSearch();
1520                break;
1521            case R.id.action_archive:
1522                activity.xmppConnectionService.archiveConversation(conversation);
1523                break;
1524            case R.id.action_contact_details:
1525                activity.switchToContactDetails(conversation.getContact());
1526                break;
1527            case R.id.action_muc_details:
1528                ConferenceDetailsActivity.open(activity, conversation);
1529                break;
1530            case R.id.action_invite:
1531                startActivityForResult(
1532                        ChooseContactActivity.create(activity, conversation),
1533                        REQUEST_INVITE_TO_CONVERSATION);
1534                break;
1535            case R.id.action_clear_history:
1536                clearHistoryDialog(conversation);
1537                break;
1538            case R.id.action_mute:
1539                muteConversationDialog(conversation);
1540                break;
1541            case R.id.action_unmute:
1542                unMuteConversation(conversation);
1543                break;
1544            case R.id.action_block:
1545            case R.id.action_unblock:
1546                final Activity activity = getActivity();
1547                if (activity instanceof XmppActivity) {
1548                    BlockContactDialog.show((XmppActivity) activity, conversation);
1549                }
1550                break;
1551            case R.id.action_audio_call:
1552                checkPermissionAndTriggerAudioCall();
1553                break;
1554            case R.id.action_video_call:
1555                checkPermissionAndTriggerVideoCall();
1556                break;
1557            case R.id.action_ongoing_call:
1558                returnToOngoingCall();
1559                break;
1560            case R.id.action_toggle_pinned:
1561                togglePinned();
1562                break;
1563            case R.id.action_refresh_feature_discovery:
1564                refreshFeatureDiscovery();
1565                break;
1566            default:
1567                break;
1568        }
1569        return super.onOptionsItemSelected(item);
1570    }
1571
1572    private void startSearch() {
1573        final Intent intent = new Intent(getActivity(), SearchActivity.class);
1574        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
1575        startActivity(intent);
1576    }
1577
1578    private void returnToOngoingCall() {
1579        final Optional<OngoingRtpSession> ongoingRtpSession =
1580                activity.xmppConnectionService
1581                        .getJingleConnectionManager()
1582                        .getOngoingRtpConnection(conversation.getContact());
1583        if (ongoingRtpSession.isPresent()) {
1584            final OngoingRtpSession id = ongoingRtpSession.get();
1585            final Intent intent = new Intent(activity, RtpSessionActivity.class);
1586            intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.getAccount().getJid().asBareJid().toEscapedString());
1587            intent.putExtra(
1588                    RtpSessionActivity.EXTRA_ACCOUNT,
1589                    id.getAccount().getJid().asBareJid().toEscapedString());
1590            intent.putExtra(RtpSessionActivity.EXTRA_WITH, id.getWith().toEscapedString());
1591            if (id instanceof AbstractJingleConnection.Id) {
1592                intent.setAction(Intent.ACTION_VIEW);
1593                intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.getSessionId());
1594            } else if (id instanceof JingleConnectionManager.RtpSessionProposal) {
1595                if (((JingleConnectionManager.RtpSessionProposal) id).media.contains(Media.VIDEO)) {
1596                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1597                } else {
1598                    intent.setAction(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1599                }
1600            }
1601            activity.startActivity(intent);
1602        }
1603    }
1604
1605    private void refreshFeatureDiscovery() {
1606        for (Map.Entry<String, Presence> entry : conversation.getContact().getPresences().getPresencesMap().entrySet()) {
1607            Jid jid = conversation.getContact().getJid();
1608            if (!entry.getKey().equals("")) jid = jid.withResource(entry.getKey());
1609            activity.xmppConnectionService.fetchCaps(conversation.getAccount(), jid, entry.getValue(), () -> {
1610                if (activity == null) return;
1611                activity.runOnUiThread(() -> {
1612                    refresh();
1613                    refreshCommands();
1614                });
1615            });
1616        }
1617    }
1618
1619    private void togglePinned() {
1620        final boolean pinned =
1621                conversation.getBooleanAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, false);
1622        conversation.setAttribute(Conversation.ATTRIBUTE_PINNED_ON_TOP, !pinned);
1623        activity.xmppConnectionService.updateConversation(conversation);
1624        activity.invalidateOptionsMenu();
1625    }
1626
1627    private void checkPermissionAndTriggerAudioCall() {
1628        if (activity.mUseTor || conversation.getAccount().isOnion()) {
1629            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
1630            return;
1631        }
1632        final List<String> permissions;
1633        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1634            permissions =
1635                    Arrays.asList(
1636                            Manifest.permission.RECORD_AUDIO,
1637                            Manifest.permission.BLUETOOTH_CONNECT);
1638        } else {
1639            permissions = Collections.singletonList(Manifest.permission.RECORD_AUDIO);
1640        }
1641        if (hasPermissions(REQUEST_START_AUDIO_CALL, permissions)) {
1642            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1643        }
1644    }
1645
1646    private void checkPermissionAndTriggerVideoCall() {
1647        if (activity.mUseTor || conversation.getAccount().isOnion()) {
1648            Toast.makeText(activity, R.string.disable_tor_to_make_call, Toast.LENGTH_SHORT).show();
1649            return;
1650        }
1651        final List<String> permissions;
1652        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1653            permissions =
1654                    Arrays.asList(
1655                            Manifest.permission.RECORD_AUDIO,
1656                            Manifest.permission.CAMERA,
1657                            Manifest.permission.BLUETOOTH_CONNECT);
1658        } else {
1659            permissions =
1660                    Arrays.asList(Manifest.permission.RECORD_AUDIO, Manifest.permission.CAMERA);
1661        }
1662        if (hasPermissions(REQUEST_START_VIDEO_CALL, permissions)) {
1663            triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1664        }
1665    }
1666
1667    private void triggerRtpSession(final String action) {
1668        if (activity.xmppConnectionService.getJingleConnectionManager().isBusy() != null) {
1669            Toast.makeText(getActivity(), R.string.only_one_call_at_a_time, Toast.LENGTH_LONG)
1670                    .show();
1671            return;
1672        }
1673        final Contact contact = conversation.getContact();
1674        if (contact.getPresences().anySupport(Namespace.JINGLE_MESSAGE)) {
1675            triggerRtpSession(contact.getAccount(), contact.getJid().asBareJid(), action);
1676        } else {
1677            final RtpCapability.Capability capability;
1678            if (action.equals(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL)) {
1679                capability = RtpCapability.Capability.VIDEO;
1680            } else {
1681                capability = RtpCapability.Capability.AUDIO;
1682            }
1683            PresenceSelector.selectFullJidForDirectRtpConnection(
1684                    activity,
1685                    contact,
1686                    capability,
1687                    fullJid -> {
1688                        triggerRtpSession(contact.getAccount(), fullJid, action);
1689                    });
1690        }
1691    }
1692
1693    private void triggerRtpSession(final Account account, final Jid with, final String action) {
1694        final Intent intent = new Intent(activity, RtpSessionActivity.class);
1695        intent.setAction(action);
1696        intent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, account.getJid().toEscapedString());
1697        intent.putExtra(RtpSessionActivity.EXTRA_WITH, with.toEscapedString());
1698        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1699        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
1700        startActivity(intent);
1701    }
1702
1703    private void handleAttachmentSelection(MenuItem item) {
1704        switch (item.getItemId()) {
1705            case R.id.attach_choose_picture:
1706                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
1707                break;
1708            case R.id.attach_take_picture:
1709                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
1710                break;
1711            case R.id.attach_record_video:
1712                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
1713                break;
1714            case R.id.attach_choose_file:
1715                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
1716                break;
1717            case R.id.attach_record_voice:
1718                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
1719                break;
1720            case R.id.attach_location:
1721                attachFile(ATTACHMENT_CHOICE_LOCATION);
1722                break;
1723        }
1724    }
1725
1726    private void handleEncryptionSelection(MenuItem item) {
1727        if (conversation == null) {
1728            return;
1729        }
1730        final boolean updated;
1731        switch (item.getItemId()) {
1732            case R.id.encryption_choice_none:
1733                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1734                item.setChecked(true);
1735                break;
1736            case R.id.encryption_choice_pgp:
1737                if (activity.hasPgp()) {
1738                    if (conversation.getAccount().getPgpSignature() != null) {
1739                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
1740                        item.setChecked(true);
1741                    } else {
1742                        updated = false;
1743                        activity.announcePgp(
1744                                conversation.getAccount(),
1745                                conversation,
1746                                null,
1747                                activity.onOpenPGPKeyPublished);
1748                    }
1749                } else {
1750                    activity.showInstallPgpDialog();
1751                    updated = false;
1752                }
1753                break;
1754            case R.id.encryption_choice_axolotl:
1755                Log.d(
1756                        Config.LOGTAG,
1757                        AxolotlService.getLogprefix(conversation.getAccount())
1758                                + "Enabled axolotl for Contact "
1759                                + conversation.getContact().getJid());
1760                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
1761                item.setChecked(true);
1762                break;
1763            default:
1764                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1765                break;
1766        }
1767        if (updated) {
1768            activity.xmppConnectionService.updateConversation(conversation);
1769        }
1770        updateChatMsgHint();
1771        getActivity().invalidateOptionsMenu();
1772        activity.refreshUi();
1773    }
1774
1775    public void attachFile(final int attachmentChoice) {
1776        attachFile(attachmentChoice, true);
1777    }
1778
1779    public void attachFile(final int attachmentChoice, final boolean updateRecentlyUsed) {
1780        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
1781            if (!hasPermissions(
1782                    attachmentChoice,
1783                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
1784                    Manifest.permission.RECORD_AUDIO)) {
1785                return;
1786            }
1787        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO
1788                || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
1789            if (!hasPermissions(
1790                    attachmentChoice,
1791                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
1792                    Manifest.permission.CAMERA)) {
1793                return;
1794            }
1795        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
1796            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1797                return;
1798            }
1799        }
1800        if (updateRecentlyUsed) {
1801            storeRecentlyUsedQuickAction(attachmentChoice);
1802        }
1803        final int encryption = conversation.getNextEncryption();
1804        final int mode = conversation.getMode();
1805        if (encryption == Message.ENCRYPTION_PGP) {
1806            if (activity.hasPgp()) {
1807                if (mode == Conversation.MODE_SINGLE
1808                        && conversation.getContact().getPgpKeyId() != 0) {
1809                    activity.xmppConnectionService
1810                            .getPgpEngine()
1811                            .hasKey(
1812                                    conversation.getContact(),
1813                                    new UiCallback<Contact>() {
1814
1815                                        @Override
1816                                        public void userInputRequired(
1817                                                PendingIntent pi, Contact contact) {
1818                                            startPendingIntent(pi, attachmentChoice);
1819                                        }
1820
1821                                        @Override
1822                                        public void success(Contact contact) {
1823                                            invokeAttachFileIntent(attachmentChoice);
1824                                        }
1825
1826                                        @Override
1827                                        public void error(int error, Contact contact) {
1828                                            activity.replaceToast(getString(error));
1829                                        }
1830                                    });
1831                } else if (mode == Conversation.MODE_MULTI
1832                        && conversation.getMucOptions().pgpKeysInUse()) {
1833                    if (!conversation.getMucOptions().everybodyHasKeys()) {
1834                        Toast warning =
1835                                Toast.makeText(
1836                                        getActivity(),
1837                                        R.string.missing_public_keys,
1838                                        Toast.LENGTH_LONG);
1839                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1840                        warning.show();
1841                    }
1842                    invokeAttachFileIntent(attachmentChoice);
1843                } else {
1844                    showNoPGPKeyDialog(
1845                            false,
1846                            (dialog, which) -> {
1847                                conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1848                                activity.xmppConnectionService.updateConversation(conversation);
1849                                invokeAttachFileIntent(attachmentChoice);
1850                            });
1851                }
1852            } else {
1853                activity.showInstallPgpDialog();
1854            }
1855        } else {
1856            invokeAttachFileIntent(attachmentChoice);
1857        }
1858    }
1859
1860    private void storeRecentlyUsedQuickAction(final int attachmentChoice) {
1861        try {
1862            activity.getPreferences()
1863                    .edit()
1864                    .putString(
1865                            RECENTLY_USED_QUICK_ACTION,
1866                            SendButtonAction.of(attachmentChoice).toString())
1867                    .apply();
1868        } catch (IllegalArgumentException e) {
1869            // just do not save
1870        }
1871    }
1872
1873    @Override
1874    public void onRequestPermissionsResult(
1875            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
1876        final PermissionUtils.PermissionResult permissionResult =
1877                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
1878        if (grantResults.length > 0) {
1879            if (allGranted(permissionResult.grantResults)) {
1880                switch (requestCode) {
1881                    case REQUEST_START_DOWNLOAD:
1882                        if (this.mPendingDownloadableMessage != null) {
1883                            startDownloadable(this.mPendingDownloadableMessage);
1884                        }
1885                        break;
1886                    case REQUEST_ADD_EDITOR_CONTENT:
1887                        if (this.mPendingEditorContent != null) {
1888                            attachEditorContentToConversation(this.mPendingEditorContent);
1889                        }
1890                        break;
1891                    case REQUEST_COMMIT_ATTACHMENTS:
1892                        commitAttachments();
1893                        break;
1894                    case REQUEST_START_AUDIO_CALL:
1895                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VOICE_CALL);
1896                        break;
1897                    case REQUEST_START_VIDEO_CALL:
1898                        triggerRtpSession(RtpSessionActivity.ACTION_MAKE_VIDEO_CALL);
1899                        break;
1900                    default:
1901                        attachFile(requestCode);
1902                        break;
1903                }
1904            } else {
1905                @StringRes int res;
1906                String firstDenied =
1907                        getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
1908                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
1909                    res = R.string.no_microphone_permission;
1910                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
1911                    res = R.string.no_camera_permission;
1912                } else {
1913                    res = R.string.no_storage_permission;
1914                }
1915                Toast.makeText(
1916                                getActivity(),
1917                                getString(res, getString(R.string.app_name)),
1918                                Toast.LENGTH_SHORT)
1919                        .show();
1920            }
1921        }
1922        if (writeGranted(grantResults, permissions)) {
1923            if (activity != null && activity.xmppConnectionService != null) {
1924                activity.xmppConnectionService.getBitmapCache().evictAll();
1925                activity.xmppConnectionService.restartFileObserver();
1926            }
1927            refresh();
1928        }
1929    }
1930
1931    public void startDownloadable(Message message) {
1932        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1933            this.mPendingDownloadableMessage = message;
1934            return;
1935        }
1936        Transferable transferable = message.getTransferable();
1937        if (transferable != null) {
1938            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
1939                createNewConnection(message);
1940                return;
1941            }
1942            if (!transferable.start()) {
1943                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
1944                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
1945                        .show();
1946            }
1947        } else if (message.treatAsDownloadable()
1948                || message.hasFileOnRemoteHost()
1949                || MessageUtils.unInitiatedButKnownSize(message)) {
1950            createNewConnection(message);
1951        } else {
1952            Log.d(
1953                    Config.LOGTAG,
1954                    message.getConversation().getAccount() + ": unable to start downloadable");
1955        }
1956    }
1957
1958    private void createNewConnection(final Message message) {
1959        if (!activity.xmppConnectionService.hasInternetConnection()) {
1960            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT)
1961                    .show();
1962            return;
1963        }
1964        if (message.getOob() != null && message.getOob().getScheme().equalsIgnoreCase("cid")) {
1965            try {
1966                BobTransfer transfer = new BobTransfer.ForMessage(message, activity.xmppConnectionService);
1967                message.setTransferable(transfer);
1968                transfer.start();
1969            } catch (URISyntaxException e) {
1970                Log.d(Config.LOGTAG, "BobTransfer failed to parse URI");
1971            }
1972        } else {
1973            activity.xmppConnectionService
1974                    .getHttpConnectionManager()
1975                    .createNewDownloadConnection(message, true);
1976        }
1977    }
1978
1979    @SuppressLint("InflateParams")
1980    protected void clearHistoryDialog(final Conversation conversation) {
1981        final AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
1982        builder.setTitle(getString(R.string.clear_conversation_history));
1983        final View dialogView =
1984                requireActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
1985        final CheckBox endConversationCheckBox =
1986                dialogView.findViewById(R.id.end_conversation_checkbox);
1987        builder.setView(dialogView);
1988        builder.setNegativeButton(getString(R.string.cancel), null);
1989        builder.setPositiveButton(
1990                getString(R.string.confirm),
1991                (dialog, which) -> {
1992                    this.activity.xmppConnectionService.clearConversationHistory(conversation);
1993                    if (endConversationCheckBox.isChecked()) {
1994                        this.activity.xmppConnectionService.archiveConversation(conversation);
1995                        this.activity.onConversationArchived(conversation);
1996                    } else {
1997                        activity.onConversationsListItemUpdated();
1998                        refresh();
1999                    }
2000                });
2001        builder.create().show();
2002    }
2003
2004    protected void muteConversationDialog(final Conversation conversation) {
2005        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
2006        builder.setTitle(R.string.disable_notifications);
2007        final int[] durations = activity.getResources().getIntArray(R.array.mute_options_durations);
2008        final CharSequence[] labels = new CharSequence[durations.length];
2009        for (int i = 0; i < durations.length; ++i) {
2010            if (durations[i] == -1) {
2011                labels[i] = activity.getString(R.string.until_further_notice);
2012            } else {
2013                labels[i] = TimeFrameUtils.resolve(activity, 1000L * durations[i]);
2014            }
2015        }
2016        builder.setItems(
2017                labels,
2018                (dialog, which) -> {
2019                    final long till;
2020                    if (durations[which] == -1) {
2021                        till = Long.MAX_VALUE;
2022                    } else {
2023                        till = System.currentTimeMillis() + (durations[which] * 1000L);
2024                    }
2025                    conversation.setMutedTill(till);
2026                    activity.xmppConnectionService.updateConversation(conversation);
2027                    activity.onConversationsListItemUpdated();
2028                    refresh();
2029                    activity.invalidateOptionsMenu();
2030                });
2031        builder.create().show();
2032    }
2033
2034    private boolean hasPermissions(int requestCode, List<String> permissions) {
2035        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
2036            final List<String> missingPermissions = new ArrayList<>();
2037            for (String permission : permissions) {
2038                if (Config.ONLY_INTERNAL_STORAGE
2039                        && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
2040                    continue;
2041                }
2042                if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
2043                    missingPermissions.add(permission);
2044                }
2045            }
2046            if (missingPermissions.size() == 0) {
2047                return true;
2048            } else {
2049                requestPermissions(
2050                        missingPermissions.toArray(new String[0]),
2051                        requestCode);
2052                return false;
2053            }
2054        } else {
2055            return true;
2056        }
2057    }
2058
2059    private boolean hasPermissions(int requestCode, String... permissions) {
2060        return hasPermissions(requestCode, ImmutableList.copyOf(permissions));
2061    }
2062
2063    public void unMuteConversation(final Conversation conversation) {
2064        conversation.setMutedTill(0);
2065        this.activity.xmppConnectionService.updateConversation(conversation);
2066        this.activity.onConversationsListItemUpdated();
2067        refresh();
2068        this.activity.invalidateOptionsMenu();
2069    }
2070
2071    protected void invokeAttachFileIntent(final int attachmentChoice) {
2072        Intent intent = new Intent();
2073        boolean chooser = false;
2074        switch (attachmentChoice) {
2075            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
2076                intent.setAction(Intent.ACTION_GET_CONTENT);
2077                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2078                intent.setType("image/*");
2079                chooser = true;
2080                break;
2081            case ATTACHMENT_CHOICE_RECORD_VIDEO:
2082                intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
2083                break;
2084            case ATTACHMENT_CHOICE_TAKE_PHOTO:
2085                final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
2086                pendingTakePhotoUri.push(uri);
2087                intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
2088                intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
2089                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2090                intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
2091                break;
2092            case ATTACHMENT_CHOICE_CHOOSE_FILE:
2093                chooser = true;
2094                intent.setType("*/*");
2095                intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
2096                intent.addCategory(Intent.CATEGORY_OPENABLE);
2097                intent.setAction(Intent.ACTION_GET_CONTENT);
2098                break;
2099            case ATTACHMENT_CHOICE_RECORD_VOICE:
2100                intent = new Intent(getActivity(), RecordingActivity.class);
2101                break;
2102            case ATTACHMENT_CHOICE_LOCATION:
2103                intent = GeoHelper.getFetchIntent(activity);
2104                break;
2105        }
2106        final Context context = getActivity();
2107        if (context == null) {
2108            return;
2109        }
2110        try {
2111            if (chooser) {
2112                startActivityForResult(
2113                        Intent.createChooser(intent, getString(R.string.perform_action_with)),
2114                        attachmentChoice);
2115            } else {
2116                startActivityForResult(intent, attachmentChoice);
2117            }
2118        } catch (final ActivityNotFoundException e) {
2119            Toast.makeText(context, R.string.no_application_found, Toast.LENGTH_LONG).show();
2120        }
2121    }
2122
2123    @Override
2124    public void onResume() {
2125        super.onResume();
2126        binding.messagesView.post(this::fireReadEvent);
2127    }
2128
2129    private void fireReadEvent() {
2130        if (activity != null && this.conversation != null) {
2131            String uuid = getLastVisibleMessageUuid();
2132            if (uuid != null) {
2133                activity.onConversationRead(this.conversation, uuid);
2134            }
2135        }
2136    }
2137
2138    private void newThread() {
2139        Element thread = new Element("thread", "jabber:client");
2140        thread.setContent(UUID.randomUUID().toString());
2141        setThread(thread);
2142    }
2143
2144    private void updateThreadFromLastMessage() {
2145        if (activity != null && this.conversation != null && TextUtils.isEmpty(binding.textinput.getText())) {
2146            Message message = getLastVisibleMessage();
2147            if (message == null) {
2148                newThread();
2149            } else {
2150                setThread(message.getThread());
2151            }
2152        }
2153    }
2154
2155    private String getLastVisibleMessageUuid() {
2156        Message message =  getLastVisibleMessage();
2157        return message == null ? null : message.getUuid();
2158    }
2159
2160    private Message getLastVisibleMessage() {
2161        if (binding == null) {
2162            return null;
2163        }
2164        synchronized (this.messageList) {
2165            int pos = binding.messagesView.getLastVisiblePosition();
2166            if (pos >= 0) {
2167                Message message = null;
2168                for (int i = pos; i >= 0; --i) {
2169                    try {
2170                        message = (Message) binding.messagesView.getItemAtPosition(i);
2171                    } catch (IndexOutOfBoundsException e) {
2172                        // should not happen if we synchronize properly. however if that fails we
2173                        // just gonna try item -1
2174                        continue;
2175                    }
2176                    if (message.getType() != Message.TYPE_STATUS) {
2177                        break;
2178                    }
2179                }
2180                if (message != null) {
2181                    while (message.next() != null && message.next().wasMergedIntoPrevious()) {
2182                        message = message.next();
2183                    }
2184                    return message;
2185                }
2186            }
2187        }
2188        return null;
2189    }
2190
2191    private void openWith(final Message message) {
2192        if (message.isGeoUri()) {
2193            GeoHelper.view(getActivity(), message);
2194        } else {
2195            final DownloadableFile file =
2196                    activity.xmppConnectionService.getFileBackend().getFile(message);
2197            ViewUtil.view(activity, file);
2198        }
2199    }
2200
2201    private void showErrorMessage(final Message message) {
2202        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2203        builder.setTitle(R.string.error_message);
2204        final String errorMessage = message.getErrorMessage();
2205        final String[] errorMessageParts =
2206                errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
2207        final String displayError;
2208        if (errorMessageParts.length == 2) {
2209            displayError = errorMessageParts[1];
2210        } else {
2211            displayError = errorMessage;
2212        }
2213        builder.setMessage(displayError);
2214        builder.setNegativeButton(
2215                R.string.copy_to_clipboard,
2216                (dialog, which) -> {
2217                    activity.copyTextToClipboard(displayError, R.string.error_message);
2218                    Toast.makeText(
2219                                    activity,
2220                                    R.string.error_message_copied_to_clipboard,
2221                                    Toast.LENGTH_SHORT)
2222                            .show();
2223                });
2224        builder.setPositiveButton(R.string.confirm, null);
2225        builder.create().show();
2226    }
2227
2228    private void deleteFile(final Message message) {
2229        AlertDialog.Builder builder = new AlertDialog.Builder(requireActivity());
2230        builder.setNegativeButton(R.string.cancel, null);
2231        builder.setTitle(R.string.delete_file_dialog);
2232        builder.setMessage(R.string.delete_file_dialog_msg);
2233        builder.setPositiveButton(
2234                R.string.confirm,
2235                (dialog, which) -> {
2236                    if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
2237                        message.setDeleted(true);
2238                        activity.xmppConnectionService.evictPreview(message.getUuid());
2239                        activity.xmppConnectionService.updateMessage(message, false);
2240                        activity.onConversationsListItemUpdated();
2241                        refresh();
2242                    }
2243                });
2244        builder.create().show();
2245    }
2246
2247    private void resendMessage(final Message message) {
2248        if (message.isFileOrImage()) {
2249            if (!(message.getConversation() instanceof Conversation)) {
2250                return;
2251            }
2252            final Conversation conversation = (Conversation) message.getConversation();
2253            final DownloadableFile file =
2254                    activity.xmppConnectionService.getFileBackend().getFile(message);
2255            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
2256                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
2257                if (!message.hasFileOnRemoteHost()
2258                        && xmppConnection != null
2259                        && conversation.getMode() == Conversational.MODE_SINGLE
2260                        && !xmppConnection
2261                                .getFeatures()
2262                                .httpUpload(message.getFileParams().getSize())) {
2263                    activity.selectPresence(
2264                            conversation,
2265                            () -> {
2266                                message.setCounterpart(conversation.getNextCounterpart());
2267                                activity.xmppConnectionService.resendFailedMessages(message);
2268                                new Handler()
2269                                        .post(
2270                                                () -> {
2271                                                    int size = messageList.size();
2272                                                    this.binding.messagesView.setSelection(
2273                                                            size - 1);
2274                                                });
2275                            });
2276                    return;
2277                }
2278            } else if (!Compatibility.hasStoragePermission(getActivity())) {
2279                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
2280                return;
2281            } else {
2282                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
2283                message.setDeleted(true);
2284                activity.xmppConnectionService.updateMessage(message, false);
2285                activity.onConversationsListItemUpdated();
2286                refresh();
2287                return;
2288            }
2289        }
2290        activity.xmppConnectionService.resendFailedMessages(message);
2291        new Handler()
2292                .post(
2293                        () -> {
2294                            int size = messageList.size();
2295                            this.binding.messagesView.setSelection(size - 1);
2296                        });
2297    }
2298
2299    private void cancelTransmission(Message message) {
2300        Transferable transferable = message.getTransferable();
2301        if (transferable != null) {
2302            transferable.cancel();
2303        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
2304            activity.xmppConnectionService.markMessage(
2305                    message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
2306        }
2307    }
2308
2309    private void retryDecryption(Message message) {
2310        message.setEncryption(Message.ENCRYPTION_PGP);
2311        activity.onConversationsListItemUpdated();
2312        refresh();
2313        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
2314    }
2315
2316    public void privateMessageWith(final Jid counterpart) {
2317        if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
2318            activity.xmppConnectionService.sendChatState(conversation);
2319        }
2320        this.binding.textinput.setText("");
2321        this.conversation.setNextCounterpart(counterpart);
2322        updateChatMsgHint();
2323        updateSendButton();
2324        updateEditablity();
2325    }
2326
2327    private void correctMessage(Message message) {
2328        while (message.mergeable(message.next())) {
2329            message = message.next();
2330        }
2331        this.conversation.setCorrectingMessage(message);
2332        final Editable editable = binding.textinput.getText();
2333        this.conversation.setDraftMessage(editable.toString());
2334        this.binding.textinput.setText("");
2335        this.binding.textinput.append(message.getBody());
2336    }
2337
2338    private void highlightInConference(String nick) {
2339        final Editable editable = this.binding.textinput.getText();
2340        String oldString = editable.toString().trim();
2341        final int pos = this.binding.textinput.getSelectionStart();
2342        if (oldString.isEmpty() || pos == 0) {
2343            editable.insert(0, nick + ": ");
2344        } else {
2345            final char before = editable.charAt(pos - 1);
2346            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
2347            if (before == '\n') {
2348                editable.insert(pos, nick + ": ");
2349            } else {
2350                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
2351                    if (NickValidityChecker.check(
2352                            conversation,
2353                            Arrays.asList(
2354                                    editable.subSequence(0, pos - 2).toString().split(", ")))) {
2355                        editable.insert(pos - 2, ", " + nick);
2356                        return;
2357                    }
2358                }
2359                editable.insert(
2360                        pos,
2361                        (Character.isWhitespace(before) ? "" : " ")
2362                                + nick
2363                                + (Character.isWhitespace(after) ? "" : " "));
2364                if (Character.isWhitespace(after)) {
2365                    this.binding.textinput.setSelection(
2366                            this.binding.textinput.getSelectionStart() + 1);
2367                }
2368            }
2369        }
2370    }
2371
2372    @Override
2373    public void startActivityForResult(Intent intent, int requestCode) {
2374        final Activity activity = getActivity();
2375        if (activity instanceof ConversationsActivity) {
2376            ((ConversationsActivity) activity).clearPendingViewIntent();
2377        }
2378        super.startActivityForResult(intent, requestCode);
2379    }
2380
2381    @Override
2382    public void onSaveInstanceState(@NotNull Bundle outState) {
2383        super.onSaveInstanceState(outState);
2384        if (conversation != null) {
2385            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
2386            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
2387            final Uri uri = pendingTakePhotoUri.peek();
2388            if (uri != null) {
2389                outState.putString(STATE_PHOTO_URI, uri.toString());
2390            }
2391            final ScrollState scrollState = getScrollPosition();
2392            if (scrollState != null) {
2393                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
2394            }
2395            final ArrayList<Attachment> attachments =
2396                    mediaPreviewAdapter == null
2397                            ? new ArrayList<>()
2398                            : mediaPreviewAdapter.getAttachments();
2399            if (attachments.size() > 0) {
2400                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
2401            }
2402        }
2403    }
2404
2405    @Override
2406    public void onActivityCreated(Bundle savedInstanceState) {
2407        super.onActivityCreated(savedInstanceState);
2408        if (savedInstanceState == null) {
2409            return;
2410        }
2411        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
2412        ArrayList<Attachment> attachments =
2413                savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
2414        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
2415        if (uuid != null) {
2416            QuickLoader.set(uuid);
2417            this.pendingConversationsUuid.push(uuid);
2418            if (attachments != null && attachments.size() > 0) {
2419                this.pendingMediaPreviews.push(attachments);
2420            }
2421            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
2422            if (takePhotoUri != null) {
2423                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
2424            }
2425            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
2426        }
2427    }
2428
2429    @Override
2430    public void onStart() {
2431        super.onStart();
2432        if (this.reInitRequiredOnStart && this.conversation != null) {
2433            final Bundle extras = pendingExtras.pop();
2434            reInit(this.conversation, extras != null);
2435            if (extras != null) {
2436                processExtras(extras);
2437            }
2438        } else if (conversation == null
2439                && activity != null
2440                && activity.xmppConnectionService != null) {
2441            final String uuid = pendingConversationsUuid.pop();
2442            Log.d(
2443                    Config.LOGTAG,
2444                    "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid="
2445                            + uuid);
2446            if (uuid != null) {
2447                findAndReInitByUuidOrArchive(uuid);
2448            }
2449        }
2450    }
2451
2452    @Override
2453    public void onStop() {
2454        super.onStop();
2455        final Activity activity = getActivity();
2456        messageListAdapter.unregisterListenerInAudioPlayer();
2457        if (activity == null || !activity.isChangingConfigurations()) {
2458            hideSoftKeyboard(activity);
2459            messageListAdapter.stopAudioPlayer();
2460        }
2461        if (this.conversation != null) {
2462            final String msg = this.binding.textinput.getText().toString();
2463            storeNextMessage(msg);
2464            updateChatState(this.conversation, msg);
2465            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
2466        }
2467        this.reInitRequiredOnStart = true;
2468    }
2469
2470    private void updateChatState(final Conversation conversation, final String msg) {
2471        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHAT_STATE : ChatState.PAUSED;
2472        Account.State status = conversation.getAccount().getStatus();
2473        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
2474            activity.xmppConnectionService.sendChatState(conversation);
2475        }
2476    }
2477
2478    private void saveMessageDraftStopAudioPlayer() {
2479        final Conversation previousConversation = this.conversation;
2480        if (this.activity == null || this.binding == null || previousConversation == null) {
2481            return;
2482        }
2483        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
2484        final String msg = this.binding.textinput.getText().toString();
2485        storeNextMessage(msg);
2486        updateChatState(this.conversation, msg);
2487        messageListAdapter.stopAudioPlayer();
2488        mediaPreviewAdapter.clearPreviews();
2489        toggleInputMethod();
2490    }
2491
2492    public void reInit(final Conversation conversation, final Bundle extras) {
2493        QuickLoader.set(conversation.getUuid());
2494        final boolean changedConversation = this.conversation != conversation;
2495        if (changedConversation) {
2496            this.saveMessageDraftStopAudioPlayer();
2497        }
2498        this.clearPending();
2499        if (this.reInit(conversation, extras != null)) {
2500            if (extras != null) {
2501                processExtras(extras);
2502            }
2503            this.reInitRequiredOnStart = false;
2504        } else {
2505            this.reInitRequiredOnStart = true;
2506            pendingExtras.push(extras);
2507        }
2508        resetUnreadMessagesCount();
2509    }
2510
2511    private void reInit(Conversation conversation) {
2512        reInit(conversation, false);
2513    }
2514
2515    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
2516        if (conversation == null) {
2517            return false;
2518        }
2519        final Conversation originalConversation = this.conversation;
2520        this.conversation = conversation;
2521        // once we set the conversation all is good and it will automatically do the right thing in
2522        // onStart()
2523        if (this.activity == null || this.binding == null) {
2524            return false;
2525        }
2526
2527        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2528            activity.onConversationArchived(this.conversation);
2529            return false;
2530        }
2531
2532        stopScrolling();
2533        Log.d(Config.LOGTAG, "reInit(hasExtras=" + hasExtras + ")");
2534
2535        if (this.conversation.isRead() && hasExtras) {
2536            Log.d(Config.LOGTAG, "trimming conversation");
2537            this.conversation.trim();
2538        }
2539
2540        setupIme();
2541
2542        final boolean scrolledToBottomAndNoPending =
2543                this.scrolledToBottom() && pendingScrollState.peek() == null;
2544
2545        this.binding.textSendButton.setContentDescription(
2546                activity.getString(R.string.send_message_to_x, conversation.getName()));
2547        this.binding.textinput.setKeyboardListener(null);
2548        this.binding.textinput.setText("");
2549        final boolean participating =
2550                conversation.getMode() == Conversational.MODE_SINGLE
2551                        || conversation.getMucOptions().participating();
2552        if (participating) {
2553            this.binding.textinput.append(this.conversation.getNextMessage());
2554        }
2555        this.binding.textinput.setKeyboardListener(this);
2556        messageListAdapter.updatePreferences();
2557        refresh(false);
2558        activity.invalidateOptionsMenu();
2559        this.conversation.messagesLoaded.set(true);
2560        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + scrolledToBottomAndNoPending);
2561
2562        if (hasExtras || scrolledToBottomAndNoPending) {
2563            resetUnreadMessagesCount();
2564            synchronized (this.messageList) {
2565                Log.d(Config.LOGTAG, "jump to first unread message");
2566                final Message first = conversation.getFirstUnreadMessage();
2567                final int bottom = Math.max(0, this.messageList.size() - 1);
2568                final int pos;
2569                final boolean jumpToBottom;
2570                if (first == null) {
2571                    pos = bottom;
2572                    jumpToBottom = true;
2573                } else {
2574                    int i = getIndexOf(first.getUuid(), this.messageList);
2575                    pos = i < 0 ? bottom : i;
2576                    jumpToBottom = false;
2577                }
2578                setSelection(pos, jumpToBottom);
2579            }
2580        }
2581
2582        this.binding.messagesView.post(this::fireReadEvent);
2583        // TODO if we only do this when this fragment is running on main it won't *bing* in tablet
2584        // layout which might be unnecessary since we can *see* it
2585        activity.xmppConnectionService
2586                .getNotificationService()
2587                .setOpenConversation(this.conversation);
2588
2589        if (commandAdapter != null && conversation != originalConversation) {
2590            originalConversation.setupViewPager(null, null);
2591            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout);
2592            refreshCommands();
2593        }
2594        if (commandAdapter == null && conversation != null) {
2595            conversation.setupViewPager(binding.conversationViewPager, binding.tabLayout);
2596            commandAdapter = new CommandAdapter((XmppActivity) getActivity());
2597            binding.commandsView.setAdapter(commandAdapter);
2598            binding.commandsView.setOnItemClickListener((parent, view, position, id) -> {
2599                final Element command = commandAdapter.getItem(position);
2600                activity.startCommand(conversation.getAccount(), command.getAttributeAsJid("jid"), command.getAttribute("node"));
2601            });
2602            refreshCommands();
2603        }
2604
2605        return true;
2606    }
2607
2608    protected void refreshCommands() {
2609        if (commandAdapter == null) return;
2610
2611        Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
2612        if (commandJid == null) {
2613            conversation.hideViewPager();
2614        } else {
2615            conversation.showViewPager();
2616            activity.xmppConnectionService.fetchCommands(conversation.getAccount(), commandJid, (a, iq) -> {
2617                if (activity == null) return;
2618
2619                activity.runOnUiThread(() -> {
2620                    if (iq.getType() == IqPacket.TYPE.RESULT) {
2621                        binding.commandsViewProgressbar.setVisibility(View.GONE);
2622                        commandAdapter.clear();
2623                        for (Element child : iq.query().getChildren()) {
2624                            if (!"item".equals(child.getName()) || !Namespace.DISCO_ITEMS.equals(child.getNamespace())) continue;
2625                            commandAdapter.add(child);
2626                        }
2627                    }
2628
2629                    if (commandAdapter.getCount() < 1) conversation.hideViewPager();
2630                });
2631            });
2632        }
2633    }
2634
2635    private void resetUnreadMessagesCount() {
2636        lastMessageUuid = null;
2637        hideUnreadMessagesCount();
2638    }
2639
2640    private void hideUnreadMessagesCount() {
2641        if (this.binding == null) {
2642            return;
2643        }
2644        this.binding.scrollToBottomButton.setEnabled(false);
2645        this.binding.scrollToBottomButton.hide();
2646        this.binding.unreadCountCustomView.setVisibility(View.GONE);
2647    }
2648
2649    private void setSelection(int pos, boolean jumpToBottom) {
2650        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
2651        this.binding.messagesView.post(
2652                () -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
2653        this.binding.messagesView.post(this::fireReadEvent);
2654    }
2655
2656    private boolean scrolledToBottom() {
2657        return this.binding != null && scrolledToBottom(this.binding.messagesView);
2658    }
2659
2660    private void processExtras(final Bundle extras) {
2661        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
2662        final String text = extras.getString(Intent.EXTRA_TEXT);
2663        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
2664        final String node = extras.getString(ConversationsActivity.EXTRA_NODE);
2665        final String postInitAction =
2666                extras.getString(ConversationsActivity.EXTRA_POST_INIT_ACTION);
2667        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
2668        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
2669        final boolean doNotAppend =
2670                extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
2671        final String type = extras.getString(ConversationsActivity.EXTRA_TYPE);
2672        final List<Uri> uris = extractUris(extras);
2673        if (uris != null && uris.size() > 0) {
2674            if (uris.size() == 1 && "geo".equals(uris.get(0).getScheme())) {
2675                mediaPreviewAdapter.addMediaPreviews(
2676                        Attachment.of(getActivity(), uris.get(0), Attachment.Type.LOCATION));
2677            } else {
2678                final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
2679                mediaPreviewAdapter.addMediaPreviews(
2680                        Attachment.of(getActivity(), cleanedUris, type));
2681            }
2682            toggleInputMethod();
2683            return;
2684        }
2685        if (nick != null) {
2686            if (pm) {
2687                Jid jid = conversation.getJid();
2688                try {
2689                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
2690                    privateMessageWith(next);
2691                } catch (final IllegalArgumentException ignored) {
2692                    // do nothing
2693                }
2694            } else {
2695                final MucOptions mucOptions = conversation.getMucOptions();
2696                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
2697                    highlightInConference(nick);
2698                }
2699            }
2700        } else {
2701            if (text != null && GeoHelper.GEO_URI.matcher(text).matches()) {
2702                mediaPreviewAdapter.addMediaPreviews(
2703                        Attachment.of(getActivity(), Uri.parse(text), Attachment.Type.LOCATION));
2704                toggleInputMethod();
2705                return;
2706            } else if (text != null && asQuote) {
2707                quoteText(text);
2708            } else {
2709                appendText(text, doNotAppend);
2710            }
2711        }
2712        if (ConversationsActivity.POST_ACTION_RECORD_VOICE.equals(postInitAction)) {
2713            attachFile(ATTACHMENT_CHOICE_RECORD_VOICE, false);
2714            return;
2715        }
2716        if ("message".equals(postInitAction)) {
2717            binding.conversationViewPager.post(() -> {
2718                binding.conversationViewPager.setCurrentItem(0);
2719            });
2720        }
2721        if ("command".equals(postInitAction)) {
2722            binding.conversationViewPager.post(() -> {
2723                PagerAdapter adapter = binding.conversationViewPager.getAdapter();
2724                if (adapter != null && adapter.getCount() > 1) {
2725                    binding.conversationViewPager.setCurrentItem(1);
2726                }
2727                final Jid commandJid = conversation.getContact().resourceWhichSupport(Namespace.COMMANDS);
2728                if (node != null && commandJid != null) {
2729                    conversation.startCommand(commandFor(commandJid, node), activity.xmppConnectionService);
2730                }
2731            });
2732            return;
2733        }
2734        final Message message =
2735                downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
2736        if (message != null) {
2737            startDownloadable(message);
2738        }
2739    }
2740
2741    private Element commandFor(final Jid jid, final String node) {
2742        if (commandAdapter != null) {
2743            for (int i = 0; i < commandAdapter.getCount(); i++) {
2744                Element command = commandAdapter.getItem(i);
2745                final String commandNode = command.getAttribute("node");
2746                if (commandNode == null || !commandNode.equals(node)) continue;
2747
2748                final Jid commandJid = command.getAttributeAsJid("jid");
2749                if (commandJid != null && !commandJid.asBareJid().equals(jid.asBareJid())) continue;
2750
2751                return command;
2752            }
2753        }
2754
2755        return new Element("command", Namespace.COMMANDS).setAttribute("name", node).setAttribute("node", node).setAttribute("jid", jid);
2756    }
2757
2758    private List<Uri> extractUris(final Bundle extras) {
2759        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
2760        if (uris != null) {
2761            return uris;
2762        }
2763        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
2764        if (uri != null) {
2765            return Collections.singletonList(uri);
2766        } else {
2767            return null;
2768        }
2769    }
2770
2771    private List<Uri> cleanUris(final List<Uri> uris) {
2772        final Iterator<Uri> iterator = uris.iterator();
2773        while (iterator.hasNext()) {
2774            final Uri uri = iterator.next();
2775            if (FileBackend.weOwnFile(uri)) {
2776                iterator.remove();
2777                Toast.makeText(
2778                                getActivity(),
2779                                R.string.security_violation_not_attaching_file,
2780                                Toast.LENGTH_SHORT)
2781                        .show();
2782            }
2783        }
2784        return uris;
2785    }
2786
2787    private boolean showBlockSubmenu(View view) {
2788        final Jid jid = conversation.getJid();
2789        final boolean showReject =
2790                !conversation.isWithStranger()
2791                        && conversation
2792                                .getContact()
2793                                .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2794        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
2795        popupMenu.inflate(R.menu.block);
2796        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
2797        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
2798        popupMenu.setOnMenuItemClickListener(
2799                menuItem -> {
2800                    Blockable blockable;
2801                    switch (menuItem.getItemId()) {
2802                        case R.id.reject:
2803                            activity.xmppConnectionService.stopPresenceUpdatesTo(
2804                                    conversation.getContact());
2805                            updateSnackBar(conversation);
2806                            return true;
2807                        case R.id.block_domain:
2808                            blockable =
2809                                    conversation
2810                                            .getAccount()
2811                                            .getRoster()
2812                                            .getContact(jid.getDomain());
2813                            break;
2814                        default:
2815                            blockable = conversation;
2816                    }
2817                    BlockContactDialog.show(activity, blockable);
2818                    return true;
2819                });
2820        popupMenu.show();
2821        return true;
2822    }
2823
2824    private void updateSnackBar(final Conversation conversation) {
2825        final Account account = conversation.getAccount();
2826        final XmppConnection connection = account.getXmppConnection();
2827        final int mode = conversation.getMode();
2828        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
2829        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2830            return;
2831        }
2832        if (account.getStatus() == Account.State.DISABLED) {
2833            showSnackbar(
2834                    R.string.this_account_is_disabled,
2835                    R.string.enable,
2836                    this.mEnableAccountListener);
2837        } else if (conversation.isBlocked()) {
2838            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
2839        } else if (contact != null
2840                && !contact.showInRoster()
2841                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2842            showSnackbar(
2843                    R.string.contact_added_you,
2844                    R.string.add_back,
2845                    this.mAddBackClickListener,
2846                    this.mLongPressBlockListener);
2847        } else if (contact != null
2848                && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2849            showSnackbar(
2850                    R.string.contact_asks_for_presence_subscription,
2851                    R.string.allow,
2852                    this.mAllowPresenceSubscription,
2853                    this.mLongPressBlockListener);
2854        } else if (mode == Conversation.MODE_MULTI
2855                && !conversation.getMucOptions().online()
2856                && account.getStatus() == Account.State.ONLINE) {
2857            switch (conversation.getMucOptions().getError()) {
2858                case NICK_IN_USE:
2859                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
2860                    break;
2861                case NO_RESPONSE:
2862                    showSnackbar(R.string.joining_conference, 0, null);
2863                    break;
2864                case SERVER_NOT_FOUND:
2865                    if (conversation.receivedMessagesCount() > 0) {
2866                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
2867                    } else {
2868                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
2869                    }
2870                    break;
2871                case REMOTE_SERVER_TIMEOUT:
2872                    if (conversation.receivedMessagesCount() > 0) {
2873                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
2874                    } else {
2875                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
2876                    }
2877                    break;
2878                case PASSWORD_REQUIRED:
2879                    showSnackbar(
2880                            R.string.conference_requires_password,
2881                            R.string.enter_password,
2882                            enterPassword);
2883                    break;
2884                case BANNED:
2885                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
2886                    break;
2887                case MEMBERS_ONLY:
2888                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
2889                    break;
2890                case RESOURCE_CONSTRAINT:
2891                    showSnackbar(
2892                            R.string.conference_resource_constraint, R.string.try_again, joinMuc);
2893                    break;
2894                case KICKED:
2895                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
2896                    break;
2897                case TECHNICAL_PROBLEMS:
2898                    showSnackbar(R.string.conference_technical_problems, R.string.try_again, joinMuc);
2899                    break;
2900                case UNKNOWN:
2901                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
2902                    break;
2903                case INVALID_NICK:
2904                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
2905                case SHUTDOWN:
2906                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
2907                    break;
2908                case DESTROYED:
2909                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
2910                    break;
2911                case NON_ANONYMOUS:
2912                    showSnackbar(
2913                            R.string.group_chat_will_make_your_jabber_id_public,
2914                            R.string.join,
2915                            acceptJoin);
2916                    break;
2917                default:
2918                    hideSnackbar();
2919                    break;
2920            }
2921        } else if (account.hasPendingPgpIntent(conversation)) {
2922            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
2923        } else if (connection != null
2924                && connection.getFeatures().blocking()
2925                && conversation.countMessages() != 0
2926                && !conversation.isBlocked()
2927                && conversation.isWithStranger()) {
2928            showSnackbar(
2929                    R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
2930        } else {
2931            hideSnackbar();
2932        }
2933    }
2934
2935    @Override
2936    public void refresh() {
2937        if (this.binding == null) {
2938            Log.d(
2939                    Config.LOGTAG,
2940                    "ConversationFragment.refresh() skipped updated because view binding was null");
2941            return;
2942        }
2943        if (this.conversation != null
2944                && this.activity != null
2945                && this.activity.xmppConnectionService != null) {
2946            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2947                activity.onConversationArchived(this.conversation);
2948                return;
2949            }
2950        }
2951        this.refresh(true);
2952    }
2953
2954    private void refresh(boolean notifyConversationRead) {
2955        synchronized (this.messageList) {
2956            if (this.conversation != null) {
2957                conversation.populateWithMessages(this.messageList);
2958                updateSnackBar(conversation);
2959                updateStatusMessages();
2960                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
2961                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
2962                    binding.unreadCountCustomView.setUnreadCount(
2963                            conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
2964                }
2965                this.messageListAdapter.notifyDataSetChanged();
2966                updateChatMsgHint();
2967                if (notifyConversationRead && activity != null) {
2968                    binding.messagesView.post(this::fireReadEvent);
2969                }
2970                updateSendButton();
2971                updateEditablity();
2972            }
2973        }
2974    }
2975
2976    protected void messageSent() {
2977        mSendingPgpMessage.set(false);
2978        this.binding.textinput.setText("");
2979        if (conversation.setCorrectingMessage(null)) {
2980            this.binding.textinput.append(conversation.getDraftMessage());
2981            conversation.setDraftMessage(null);
2982        }
2983        storeNextMessage();
2984        updateChatMsgHint();
2985        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2986        final boolean prefScrollToBottom =
2987                p.getBoolean(
2988                        "scroll_to_bottom",
2989                        activity.getResources().getBoolean(R.bool.scroll_to_bottom));
2990        if (prefScrollToBottom || scrolledToBottom()) {
2991            new Handler()
2992                    .post(
2993                            () -> {
2994                                int size = messageList.size();
2995                                this.binding.messagesView.setSelection(size - 1);
2996                            });
2997        }
2998    }
2999
3000    private boolean storeNextMessage() {
3001        return storeNextMessage(this.binding.textinput.getText().toString());
3002    }
3003
3004    private boolean storeNextMessage(String msg) {
3005        final boolean participating =
3006                conversation.getMode() == Conversational.MODE_SINGLE
3007                        || conversation.getMucOptions().participating();
3008        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED
3009                && participating
3010                && this.conversation.setNextMessage(msg)) {
3011            this.activity.xmppConnectionService.updateConversation(this.conversation);
3012            return true;
3013        }
3014        return false;
3015    }
3016
3017    public void doneSendingPgpMessage() {
3018        mSendingPgpMessage.set(false);
3019    }
3020
3021    public long getMaxHttpUploadSize(Conversation conversation) {
3022        final XmppConnection connection = conversation.getAccount().getXmppConnection();
3023        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
3024    }
3025
3026    private void updateEditablity() {
3027        boolean canWrite =
3028                this.conversation.getMode() == Conversation.MODE_SINGLE
3029                        || this.conversation.getMucOptions().participating()
3030                        || this.conversation.getNextCounterpart() != null;
3031        this.binding.textinput.setFocusable(canWrite);
3032        this.binding.textinput.setFocusableInTouchMode(canWrite);
3033        this.binding.textSendButton.setEnabled(canWrite);
3034        this.binding.textinput.setCursorVisible(canWrite);
3035        this.binding.textinput.setEnabled(canWrite);
3036    }
3037
3038    public void updateSendButton() {
3039        boolean hasAttachments =
3040                mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
3041        final Conversation c = this.conversation;
3042        final Presence.Status status;
3043        final String text =
3044                this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
3045        final SendButtonAction action;
3046        if (hasAttachments) {
3047            action = SendButtonAction.TEXT;
3048        } else {
3049            action = SendButtonTool.getAction(getActivity(), c, text);
3050        }
3051        if (c.getAccount().getStatus() == Account.State.ONLINE) {
3052            if (activity != null
3053                    && activity.xmppConnectionService != null
3054                    && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
3055                status = Presence.Status.OFFLINE;
3056            } else if (c.getMode() == Conversation.MODE_SINGLE) {
3057                status = c.getContact().getShownStatus();
3058            } else {
3059                status =
3060                        c.getMucOptions().online()
3061                                ? Presence.Status.ONLINE
3062                                : Presence.Status.OFFLINE;
3063            }
3064        } else {
3065            status = Presence.Status.OFFLINE;
3066        }
3067        this.binding.textSendButton.setTag(action);
3068        final Activity activity = getActivity();
3069        if (activity != null) {
3070            this.binding.textSendButton.setImageResource(
3071                    SendButtonTool.getSendButtonImageResource(activity, action, status));
3072        }
3073
3074        if (hasAttachments || binding.textinput.getText().length() > 0) {
3075            binding.conversationViewPager.setCurrentItem(0);
3076        }
3077    }
3078
3079    protected void updateStatusMessages() {
3080        DateSeparator.addAll(this.messageList);
3081        if (showLoadMoreMessages(conversation)) {
3082            this.messageList.add(0, Message.createLoadMoreMessage(conversation));
3083        }
3084        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3085            ChatState state = conversation.getIncomingChatState();
3086            if (state == ChatState.COMPOSING) {
3087                this.messageList.add(
3088                        Message.createStatusMessage(
3089                                conversation,
3090                                getString(R.string.contact_is_typing, conversation.getName())));
3091            } else if (state == ChatState.PAUSED) {
3092                this.messageList.add(
3093                        Message.createStatusMessage(
3094                                conversation,
3095                                getString(
3096                                        R.string.contact_has_stopped_typing,
3097                                        conversation.getName())));
3098            } else {
3099                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3100                    final Message message = this.messageList.get(i);
3101                    if (message.getType() != Message.TYPE_STATUS) {
3102                        if (message.getStatus() == Message.STATUS_RECEIVED) {
3103                            return;
3104                        } else {
3105                            if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
3106                                this.messageList.add(
3107                                        i + 1,
3108                                        Message.createStatusMessage(
3109                                                conversation,
3110                                                getString(
3111                                                        R.string.contact_has_read_up_to_this_point,
3112                                                        conversation.getName())));
3113                                return;
3114                            }
3115                        }
3116                    }
3117                }
3118            }
3119        } else {
3120            final MucOptions mucOptions = conversation.getMucOptions();
3121            final List<MucOptions.User> allUsers = mucOptions.getUsers();
3122            final Set<ReadByMarker> addedMarkers = new HashSet<>();
3123            ChatState state = ChatState.COMPOSING;
3124            List<MucOptions.User> users =
3125                    conversation.getMucOptions().getUsersWithChatState(state, 5);
3126            if (users.size() == 0) {
3127                state = ChatState.PAUSED;
3128                users = conversation.getMucOptions().getUsersWithChatState(state, 5);
3129            }
3130            if (mucOptions.isPrivateAndNonAnonymous()) {
3131                for (int i = this.messageList.size() - 1; i >= 0; --i) {
3132                    final Set<ReadByMarker> markersForMessage =
3133                            messageList.get(i).getReadByMarkers();
3134                    final List<MucOptions.User> shownMarkers = new ArrayList<>();
3135                    for (ReadByMarker marker : markersForMessage) {
3136                        if (!ReadByMarker.contains(marker, addedMarkers)) {
3137                            addedMarkers.add(
3138                                    marker); // may be put outside this condition. set should do
3139                                             // dedup anyway
3140                            MucOptions.User user = mucOptions.findUser(marker);
3141                            if (user != null && !users.contains(user)) {
3142                                shownMarkers.add(user);
3143                            }
3144                        }
3145                    }
3146                    final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
3147                    final Message statusMessage;
3148                    final int size = shownMarkers.size();
3149                    if (size > 1) {
3150                        final String body;
3151                        if (size <= 4) {
3152                            body =
3153                                    getString(
3154                                            R.string.contacts_have_read_up_to_this_point,
3155                                            UIHelper.concatNames(shownMarkers));
3156                        } else if (ReadByMarker.allUsersRepresented(
3157                                allUsers, markersForMessage, markerForSender)) {
3158                            body = getString(R.string.everyone_has_read_up_to_this_point);
3159                        } else {
3160                            body =
3161                                    getString(
3162                                            R.string.contacts_and_n_more_have_read_up_to_this_point,
3163                                            UIHelper.concatNames(shownMarkers, 3),
3164                                            size - 3);
3165                        }
3166                        statusMessage = Message.createStatusMessage(conversation, body);
3167                        statusMessage.setCounterparts(shownMarkers);
3168                    } else if (size == 1) {
3169                        statusMessage =
3170                                Message.createStatusMessage(
3171                                        conversation,
3172                                        getString(
3173                                                R.string.contact_has_read_up_to_this_point,
3174                                                UIHelper.getDisplayName(shownMarkers.get(0))));
3175                        statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
3176                        statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
3177                    } else {
3178                        statusMessage = null;
3179                    }
3180                    if (statusMessage != null) {
3181                        this.messageList.add(i + 1, statusMessage);
3182                    }
3183                    addedMarkers.add(markerForSender);
3184                    if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
3185                        break;
3186                    }
3187                }
3188            }
3189            if (users.size() > 0) {
3190                Message statusMessage;
3191                if (users.size() == 1) {
3192                    MucOptions.User user = users.get(0);
3193                    int id =
3194                            state == ChatState.COMPOSING
3195                                    ? R.string.contact_is_typing
3196                                    : R.string.contact_has_stopped_typing;
3197                    statusMessage =
3198                            Message.createStatusMessage(
3199                                    conversation, getString(id, UIHelper.getDisplayName(user)));
3200                    statusMessage.setTrueCounterpart(user.getRealJid());
3201                    statusMessage.setCounterpart(user.getFullJid());
3202                } else {
3203                    int id =
3204                            state == ChatState.COMPOSING
3205                                    ? R.string.contacts_are_typing
3206                                    : R.string.contacts_have_stopped_typing;
3207                    statusMessage =
3208                            Message.createStatusMessage(
3209                                    conversation, getString(id, UIHelper.concatNames(users)));
3210                    statusMessage.setCounterparts(users);
3211                }
3212                this.messageList.add(statusMessage);
3213            }
3214        }
3215    }
3216
3217    private void stopScrolling() {
3218        long now = SystemClock.uptimeMillis();
3219        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
3220        binding.messagesView.dispatchTouchEvent(cancel);
3221    }
3222
3223    private boolean showLoadMoreMessages(final Conversation c) {
3224        if (activity == null || activity.xmppConnectionService == null) {
3225            return false;
3226        }
3227        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
3228        final MessageArchiveService service =
3229                activity.xmppConnectionService.getMessageArchiveService();
3230        return mam
3231                && (c.getLastClearHistory().getTimestamp() != 0
3232                        || (c.countMessages() == 0
3233                                && c.messagesLoaded.get()
3234                                && c.hasMessagesLeftOnServer()
3235                                && !service.queryInProgress(c)));
3236    }
3237
3238    private boolean hasMamSupport(final Conversation c) {
3239        if (c.getMode() == Conversation.MODE_SINGLE) {
3240            final XmppConnection connection = c.getAccount().getXmppConnection();
3241            return connection != null && connection.getFeatures().mam();
3242        } else {
3243            return c.getMucOptions().mamSupport();
3244        }
3245    }
3246
3247    protected void showSnackbar(
3248            final int message, final int action, final OnClickListener clickListener) {
3249        showSnackbar(message, action, clickListener, null);
3250    }
3251
3252    protected void showSnackbar(
3253            final int message,
3254            final int action,
3255            final OnClickListener clickListener,
3256            final View.OnLongClickListener longClickListener) {
3257        this.binding.snackbar.setVisibility(View.VISIBLE);
3258        this.binding.snackbar.setOnClickListener(null);
3259        this.binding.snackbarMessage.setText(message);
3260        this.binding.snackbarMessage.setOnClickListener(null);
3261        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
3262        if (action != 0) {
3263            this.binding.snackbarAction.setText(action);
3264        }
3265        this.binding.snackbarAction.setOnClickListener(clickListener);
3266        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
3267    }
3268
3269    protected void hideSnackbar() {
3270        this.binding.snackbar.setVisibility(View.GONE);
3271    }
3272
3273    protected void sendMessage(Message message) {
3274        activity.xmppConnectionService.sendMessage(message);
3275        messageSent();
3276    }
3277
3278    protected void sendPgpMessage(final Message message) {
3279        final XmppConnectionService xmppService = activity.xmppConnectionService;
3280        final Contact contact = message.getConversation().getContact();
3281        if (!activity.hasPgp()) {
3282            activity.showInstallPgpDialog();
3283            return;
3284        }
3285        if (conversation.getAccount().getPgpSignature() == null) {
3286            activity.announcePgp(
3287                    conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
3288            return;
3289        }
3290        if (!mSendingPgpMessage.compareAndSet(false, true)) {
3291            Log.d(Config.LOGTAG, "sending pgp message already in progress");
3292        }
3293        if (conversation.getMode() == Conversation.MODE_SINGLE) {
3294            if (contact.getPgpKeyId() != 0) {
3295                xmppService
3296                        .getPgpEngine()
3297                        .hasKey(
3298                                contact,
3299                                new UiCallback<Contact>() {
3300
3301                                    @Override
3302                                    public void userInputRequired(
3303                                            PendingIntent pi, Contact contact) {
3304                                        startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
3305                                    }
3306
3307                                    @Override
3308                                    public void success(Contact contact) {
3309                                        encryptTextMessage(message);
3310                                    }
3311
3312                                    @Override
3313                                    public void error(int error, Contact contact) {
3314                                        activity.runOnUiThread(
3315                                                () ->
3316                                                        Toast.makeText(
3317                                                                        activity,
3318                                                                        R.string
3319                                                                                .unable_to_connect_to_keychain,
3320                                                                        Toast.LENGTH_SHORT)
3321                                                                .show());
3322                                        mSendingPgpMessage.set(false);
3323                                    }
3324                                });
3325
3326            } else {
3327                showNoPGPKeyDialog(
3328                        false,
3329                        (dialog, which) -> {
3330                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3331                            xmppService.updateConversation(conversation);
3332                            message.setEncryption(Message.ENCRYPTION_NONE);
3333                            xmppService.sendMessage(message);
3334                            messageSent();
3335                        });
3336            }
3337        } else {
3338            if (conversation.getMucOptions().pgpKeysInUse()) {
3339                if (!conversation.getMucOptions().everybodyHasKeys()) {
3340                    Toast warning =
3341                            Toast.makeText(
3342                                    getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
3343                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
3344                    warning.show();
3345                }
3346                encryptTextMessage(message);
3347            } else {
3348                showNoPGPKeyDialog(
3349                        true,
3350                        (dialog, which) -> {
3351                            conversation.setNextEncryption(Message.ENCRYPTION_NONE);
3352                            message.setEncryption(Message.ENCRYPTION_NONE);
3353                            xmppService.updateConversation(conversation);
3354                            xmppService.sendMessage(message);
3355                            messageSent();
3356                        });
3357            }
3358        }
3359    }
3360
3361    public void encryptTextMessage(Message message) {
3362        activity.xmppConnectionService
3363                .getPgpEngine()
3364                .encrypt(
3365                        message,
3366                        new UiCallback<Message>() {
3367
3368                            @Override
3369                            public void userInputRequired(PendingIntent pi, Message message) {
3370                                startPendingIntent(pi, REQUEST_SEND_MESSAGE);
3371                            }
3372
3373                            @Override
3374                            public void success(Message message) {
3375                                // TODO the following two call can be made before the callback
3376                                getActivity().runOnUiThread(() -> messageSent());
3377                            }
3378
3379                            @Override
3380                            public void error(final int error, Message message) {
3381                                getActivity()
3382                                        .runOnUiThread(
3383                                                () -> {
3384                                                    doneSendingPgpMessage();
3385                                                    Toast.makeText(
3386                                                                    getActivity(),
3387                                                                    error == 0
3388                                                                            ? R.string
3389                                                                                    .unable_to_connect_to_keychain
3390                                                                            : error,
3391                                                                    Toast.LENGTH_SHORT)
3392                                                            .show();
3393                                                });
3394                            }
3395                        });
3396    }
3397
3398    public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) {
3399        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
3400        builder.setIconAttribute(android.R.attr.alertDialogIcon);
3401        if (plural) {
3402            builder.setTitle(getString(R.string.no_pgp_keys));
3403            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
3404        } else {
3405            builder.setTitle(getString(R.string.no_pgp_key));
3406            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
3407        }
3408        builder.setNegativeButton(getString(R.string.cancel), null);
3409        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
3410        builder.create().show();
3411    }
3412
3413    public void appendText(String text, final boolean doNotAppend) {
3414        if (text == null) {
3415            return;
3416        }
3417        final Editable editable = this.binding.textinput.getText();
3418        String previous = editable == null ? "" : editable.toString();
3419        if (doNotAppend && !TextUtils.isEmpty(previous)) {
3420            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG)
3421                    .show();
3422            return;
3423        }
3424        if (UIHelper.isLastLineQuote(previous)) {
3425            text = '\n' + text;
3426        } else if (previous.length() != 0
3427                && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
3428            text = " " + text;
3429        }
3430        this.binding.textinput.append(text);
3431    }
3432
3433    @Override
3434    public boolean onEnterPressed(final boolean isCtrlPressed) {
3435        if (isCtrlPressed || enterIsSend()) {
3436            sendMessage();
3437            return true;
3438        }
3439        return false;
3440    }
3441
3442    private boolean enterIsSend() {
3443        final SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
3444        return p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
3445    }
3446
3447    public boolean onArrowUpCtrlPressed() {
3448        final Message lastEditableMessage =
3449                conversation == null ? null : conversation.getLastEditableMessage();
3450        if (lastEditableMessage != null) {
3451            correctMessage(lastEditableMessage);
3452            return true;
3453        } else {
3454            Toast.makeText(getActivity(), R.string.could_not_correct_message, Toast.LENGTH_LONG)
3455                    .show();
3456            return false;
3457        }
3458    }
3459
3460    @Override
3461    public void onTypingStarted() {
3462        final XmppConnectionService service =
3463                activity == null ? null : activity.xmppConnectionService;
3464        if (service == null) {
3465            return;
3466        }
3467        final Account.State status = conversation.getAccount().getStatus();
3468        if (status == Account.State.ONLINE
3469                && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
3470            service.sendChatState(conversation);
3471        }
3472        runOnUiThread(this::updateSendButton);
3473    }
3474
3475    @Override
3476    public void onTypingStopped() {
3477        final XmppConnectionService service =
3478                activity == null ? null : activity.xmppConnectionService;
3479        if (service == null) {
3480            return;
3481        }
3482        final Account.State status = conversation.getAccount().getStatus();
3483        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
3484            service.sendChatState(conversation);
3485        }
3486    }
3487
3488    @Override
3489    public void onTextDeleted() {
3490        final XmppConnectionService service =
3491                activity == null ? null : activity.xmppConnectionService;
3492        if (service == null) {
3493            return;
3494        }
3495        final Account.State status = conversation.getAccount().getStatus();
3496        if (status == Account.State.ONLINE
3497                && conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
3498            service.sendChatState(conversation);
3499        }
3500        if (storeNextMessage()) {
3501            runOnUiThread(
3502                    () -> {
3503                        if (activity == null) {
3504                            return;
3505                        }
3506                        activity.onConversationsListItemUpdated();
3507                    });
3508        }
3509        runOnUiThread(this::updateSendButton);
3510    }
3511
3512    @Override
3513    public void onTextChanged() {
3514        if (conversation != null && conversation.getCorrectingMessage() != null) {
3515            runOnUiThread(this::updateSendButton);
3516        }
3517    }
3518
3519    @Override
3520    public boolean onTabPressed(boolean repeated) {
3521        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
3522            return false;
3523        }
3524        if (repeated) {
3525            completionIndex++;
3526        } else {
3527            lastCompletionLength = 0;
3528            completionIndex = 0;
3529            final String content = this.binding.textinput.getText().toString();
3530            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
3531            int start =
3532                    lastCompletionCursor > 0
3533                            ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1
3534                            : 0;
3535            firstWord = start == 0;
3536            incomplete = content.substring(start, lastCompletionCursor);
3537        }
3538        List<String> completions = new ArrayList<>();
3539        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
3540            String name = user.getName();
3541            if (name != null && name.startsWith(incomplete)) {
3542                completions.add(name + (firstWord ? ": " : " "));
3543            }
3544        }
3545        Collections.sort(completions);
3546        if (completions.size() > completionIndex) {
3547            String completion = completions.get(completionIndex).substring(incomplete.length());
3548            this.binding
3549                    .textinput
3550                    .getEditableText()
3551                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
3552            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
3553            lastCompletionLength = completion.length();
3554        } else {
3555            completionIndex = -1;
3556            this.binding
3557                    .textinput
3558                    .getEditableText()
3559                    .delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
3560            lastCompletionLength = 0;
3561        }
3562        return true;
3563    }
3564
3565    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
3566        try {
3567            getActivity()
3568                    .startIntentSenderForResult(
3569                            pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
3570        } catch (final SendIntentException ignored) {
3571        }
3572    }
3573
3574    @Override
3575    public void onBackendConnected() {
3576        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
3577        String uuid = pendingConversationsUuid.pop();
3578        if (uuid != null) {
3579            if (!findAndReInitByUuidOrArchive(uuid)) {
3580                return;
3581            }
3582        } else {
3583            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
3584                clearPending();
3585                activity.onConversationArchived(conversation);
3586                return;
3587            }
3588        }
3589        ActivityResult activityResult = postponedActivityResult.pop();
3590        if (activityResult != null) {
3591            handleActivityResult(activityResult);
3592        }
3593        clearPending();
3594    }
3595
3596    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
3597        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
3598        if (conversation == null) {
3599            clearPending();
3600            activity.onConversationArchived(null);
3601            return false;
3602        }
3603        reInit(conversation);
3604        ScrollState scrollState = pendingScrollState.pop();
3605        String lastMessageUuid = pendingLastMessageUuid.pop();
3606        List<Attachment> attachments = pendingMediaPreviews.pop();
3607        if (scrollState != null) {
3608            setScrollPosition(scrollState, lastMessageUuid);
3609        }
3610        if (attachments != null && attachments.size() > 0) {
3611            Log.d(Config.LOGTAG, "had attachments on restore");
3612            mediaPreviewAdapter.addMediaPreviews(attachments);
3613            toggleInputMethod();
3614        }
3615        return true;
3616    }
3617
3618    private void clearPending() {
3619        if (postponedActivityResult.clear()) {
3620            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
3621            if (pendingTakePhotoUri.clear()) {
3622                Log.e(Config.LOGTAG, "cleared pending photo uri");
3623            }
3624        }
3625        if (pendingScrollState.clear()) {
3626            Log.e(Config.LOGTAG, "cleared scroll state");
3627        }
3628        if (pendingConversationsUuid.clear()) {
3629            Log.e(Config.LOGTAG, "cleared pending conversations uuid");
3630        }
3631        if (pendingMediaPreviews.clear()) {
3632            Log.e(Config.LOGTAG, "cleared pending media previews");
3633        }
3634    }
3635
3636    public Conversation getConversation() {
3637        return conversation;
3638    }
3639
3640    @Override
3641    public void onContactPictureLongClicked(View v, final Message message) {
3642        final String fingerprint;
3643        if (message.getEncryption() == Message.ENCRYPTION_PGP
3644                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
3645            fingerprint = "pgp";
3646        } else {
3647            fingerprint = message.getFingerprint();
3648        }
3649        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
3650        final Contact contact = message.getContact();
3651        if (message.getStatus() <= Message.STATUS_RECEIVED
3652                && (contact == null || !contact.isSelf())) {
3653            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
3654                final Jid cp = message.getCounterpart();
3655                if (cp == null || cp.isBareJid()) {
3656                    return;
3657                }
3658                final Jid tcp = message.getTrueCounterpart();
3659                final User userByRealJid =
3660                        tcp != null
3661                                ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp)
3662                                : null;
3663                final User user =
3664                        userByRealJid != null
3665                                ? userByRealJid
3666                                : conversation.getMucOptions().findUserByFullJid(cp);
3667                popupMenu.inflate(R.menu.muc_details_context);
3668                final Menu menu = popupMenu.getMenu();
3669                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(
3670                        activity, menu, conversation, user);
3671                popupMenu.setOnMenuItemClickListener(
3672                        menuItem ->
3673                                MucDetailsContextMenuHelper.onContextItemSelected(
3674                                        menuItem, user, activity, fingerprint));
3675            } else {
3676                popupMenu.inflate(R.menu.one_on_one_context);
3677                popupMenu.setOnMenuItemClickListener(
3678                        item -> {
3679                            switch (item.getItemId()) {
3680                                case R.id.action_contact_details:
3681                                    activity.switchToContactDetails(
3682                                            message.getContact(), fingerprint);
3683                                    break;
3684                                case R.id.action_show_qr_code:
3685                                    activity.showQrCode(
3686                                            "xmpp:"
3687                                                    + message.getContact()
3688                                                            .getJid()
3689                                                            .asBareJid()
3690                                                            .toEscapedString());
3691                                    break;
3692                            }
3693                            return true;
3694                        });
3695            }
3696        } else {
3697            popupMenu.inflate(R.menu.account_context);
3698            final Menu menu = popupMenu.getMenu();
3699            menu.findItem(R.id.action_manage_accounts)
3700                    .setVisible(QuickConversationsService.isConversations());
3701            popupMenu.setOnMenuItemClickListener(
3702                    item -> {
3703                        final XmppActivity activity = this.activity;
3704                        if (activity == null) {
3705                            Log.e(Config.LOGTAG, "Unable to perform action. no context provided");
3706                            return true;
3707                        }
3708                        switch (item.getItemId()) {
3709                            case R.id.action_show_qr_code:
3710                                activity.showQrCode(conversation.getAccount().getShareableUri());
3711                                break;
3712                            case R.id.action_account_details:
3713                                activity.switchToAccount(
3714                                        message.getConversation().getAccount(), fingerprint);
3715                                break;
3716                            case R.id.action_manage_accounts:
3717                                AccountUtils.launchManageAccounts(activity);
3718                                break;
3719                        }
3720                        return true;
3721                    });
3722        }
3723        popupMenu.show();
3724    }
3725
3726    @Override
3727    public void onContactPictureClicked(Message message) {
3728        setThread(message.getThread());
3729        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
3730        if (received) {
3731            if (message.getConversation() instanceof Conversation
3732                    && message.getConversation().getMode() == Conversation.MODE_MULTI) {
3733                Jid tcp = message.getTrueCounterpart();
3734                Jid user = message.getCounterpart();
3735                if (user != null && !user.isBareJid()) {
3736                    final MucOptions mucOptions =
3737                            ((Conversation) message.getConversation()).getMucOptions();
3738                    if (mucOptions.participating()
3739                            || ((Conversation) message.getConversation()).getNextCounterpart()
3740                                    != null) {
3741                        if (!mucOptions.isUserInRoom(user)
3742                                && mucOptions.findUserByRealJid(
3743                                                tcp == null ? null : tcp.asBareJid())
3744                                        == null) {
3745                            Toast.makeText(
3746                                            getActivity(),
3747                                            activity.getString(
3748                                                    R.string.user_has_left_conference,
3749                                                    user.getResource()),
3750                                            Toast.LENGTH_SHORT)
3751                                    .show();
3752                        }
3753                        highlightInConference(user.getResource());
3754                    } else {
3755                        Toast.makeText(
3756                                        getActivity(),
3757                                        R.string.you_are_not_participating,
3758                                        Toast.LENGTH_SHORT)
3759                                .show();
3760                    }
3761                }
3762            }
3763        }
3764    }
3765
3766    private Activity requireActivity() {
3767        final Activity activity = getActivity();
3768        if (activity == null) {
3769            throw new IllegalStateException("Activity not attached");
3770        }
3771        return activity;
3772    }
3773}