ConversationFragment.java

   1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Activity;
   6import android.app.FragmentManager;
   7import android.content.SharedPreferences;
   8import android.content.pm.PackageManager;
   9import android.databinding.DataBindingUtil;
  10import android.net.Uri;
  11import android.os.Build;
  12import android.preference.PreferenceManager;
  13import android.provider.MediaStore;
  14import android.support.annotation.IdRes;
  15import android.support.annotation.NonNull;
  16import android.support.annotation.StringRes;
  17import android.support.v7.app.AlertDialog;
  18import android.app.Fragment;
  19import android.app.PendingIntent;
  20import android.content.Context;
  21import android.content.DialogInterface;
  22import android.content.Intent;
  23import android.content.IntentSender.SendIntentException;
  24import android.os.Bundle;
  25import android.os.Handler;
  26import android.os.SystemClock;
  27import android.support.v13.view.inputmethod.InputConnectionCompat;
  28import android.support.v13.view.inputmethod.InputContentInfoCompat;
  29import android.text.Editable;
  30import android.text.TextUtils;
  31import android.util.Log;
  32import android.view.ContextMenu;
  33import android.view.ContextMenu.ContextMenuInfo;
  34import android.view.Gravity;
  35import android.view.LayoutInflater;
  36import android.view.Menu;
  37import android.view.MenuInflater;
  38import android.view.MenuItem;
  39import android.view.MotionEvent;
  40import android.view.View;
  41import android.view.View.OnClickListener;
  42import android.view.ViewGroup;
  43import android.view.inputmethod.EditorInfo;
  44import android.view.inputmethod.InputMethodManager;
  45import android.widget.AbsListView;
  46import android.widget.AbsListView.OnScrollListener;
  47import android.widget.AdapterView;
  48import android.widget.AdapterView.AdapterContextMenuInfo;
  49import android.widget.CheckBox;
  50import android.widget.ListView;
  51import android.widget.PopupMenu;
  52import android.widget.TextView.OnEditorActionListener;
  53import android.widget.Toast;
  54
  55import java.util.ArrayList;
  56import java.util.Arrays;
  57import java.util.Collections;
  58import java.util.HashSet;
  59import java.util.Iterator;
  60import java.util.List;
  61import java.util.Set;
  62import java.util.UUID;
  63import java.util.concurrent.atomic.AtomicBoolean;
  64
  65import eu.siacs.conversations.Config;
  66import eu.siacs.conversations.R;
  67import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  68import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  69import eu.siacs.conversations.databinding.FragmentConversationBinding;
  70import eu.siacs.conversations.entities.Account;
  71import eu.siacs.conversations.entities.Blockable;
  72import eu.siacs.conversations.entities.Contact;
  73import eu.siacs.conversations.entities.Conversation;
  74import eu.siacs.conversations.entities.Conversational;
  75import eu.siacs.conversations.entities.DownloadableFile;
  76import eu.siacs.conversations.entities.Message;
  77import eu.siacs.conversations.entities.MucOptions;
  78import eu.siacs.conversations.entities.MucOptions.User;
  79import eu.siacs.conversations.entities.Presence;
  80import eu.siacs.conversations.entities.ReadByMarker;
  81import eu.siacs.conversations.entities.Transferable;
  82import eu.siacs.conversations.entities.TransferablePlaceholder;
  83import eu.siacs.conversations.http.HttpDownloadConnection;
  84import eu.siacs.conversations.persistance.FileBackend;
  85import eu.siacs.conversations.services.MessageArchiveService;
  86import eu.siacs.conversations.services.QuickConversationsService;
  87import eu.siacs.conversations.services.XmppConnectionService;
  88import eu.siacs.conversations.ui.adapter.MediaPreviewAdapter;
  89import eu.siacs.conversations.ui.adapter.MessageAdapter;
  90import eu.siacs.conversations.ui.util.ActivityResult;
  91import eu.siacs.conversations.ui.util.Attachment;
  92import eu.siacs.conversations.ui.util.ConversationMenuConfigurator;
  93import eu.siacs.conversations.ui.util.DateSeparator;
  94import eu.siacs.conversations.ui.util.EditMessageActionModeCallback;
  95import eu.siacs.conversations.ui.util.ListViewUtils;
  96import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  97import eu.siacs.conversations.ui.util.MucDetailsContextMenuHelper;
  98import eu.siacs.conversations.ui.util.PendingItem;
  99import eu.siacs.conversations.ui.util.PresenceSelector;
 100import eu.siacs.conversations.ui.util.ScrollState;
 101import eu.siacs.conversations.ui.util.SendButtonAction;
 102import eu.siacs.conversations.ui.util.SendButtonTool;
 103import eu.siacs.conversations.ui.util.ShareUtil;
 104import eu.siacs.conversations.ui.util.ViewUtil;
 105import eu.siacs.conversations.ui.widget.EditMessage;
 106import eu.siacs.conversations.utils.AccountUtils;
 107import eu.siacs.conversations.utils.Compatibility;
 108import eu.siacs.conversations.utils.GeoHelper;
 109import eu.siacs.conversations.utils.MessageUtils;
 110import eu.siacs.conversations.utils.NickValidityChecker;
 111import eu.siacs.conversations.utils.Patterns;
 112import eu.siacs.conversations.utils.QuickLoader;
 113import eu.siacs.conversations.utils.StylingHelper;
 114import eu.siacs.conversations.utils.TimeframeUtils;
 115import eu.siacs.conversations.utils.UIHelper;
 116import eu.siacs.conversations.xmpp.XmppConnection;
 117import eu.siacs.conversations.xmpp.chatstate.ChatState;
 118import eu.siacs.conversations.xmpp.jingle.JingleConnection;
 119import rocks.xmpp.addr.Jid;
 120
 121import static eu.siacs.conversations.ui.XmppActivity.EXTRA_ACCOUNT;
 122import static eu.siacs.conversations.ui.XmppActivity.REQUEST_INVITE_TO_CONVERSATION;
 123import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
 124import static eu.siacs.conversations.utils.PermissionUtils.allGranted;
 125import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
 126import static eu.siacs.conversations.utils.PermissionUtils.writeGranted;
 127
 128
 129public class ConversationFragment extends XmppFragment implements EditMessage.KeyboardListener, MessageAdapter.OnContactPictureLongClicked, MessageAdapter.OnContactPictureClicked {
 130
 131
 132    public static final int REQUEST_SEND_MESSAGE = 0x0201;
 133    public static final int REQUEST_DECRYPT_PGP = 0x0202;
 134    public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 135    public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
 136    public static final int REQUEST_TRUST_KEYS_ATTACHMENTS = 0x0209;
 137    public static final int REQUEST_START_DOWNLOAD = 0x0210;
 138    public static final int REQUEST_ADD_EDITOR_CONTENT = 0x0211;
 139    public static final int REQUEST_COMMIT_ATTACHMENTS = 0x0212;
 140    public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 141    public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 142    public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 143    public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
 144    public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
 145    public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
 146    public static final int ATTACHMENT_CHOICE_RECORD_VIDEO = 0x0307;
 147
 148    public static final String RECENTLY_USED_QUICK_ACTION = "recently_used_quick_action";
 149    public static final String STATE_CONVERSATION_UUID = ConversationFragment.class.getName() + ".uuid";
 150    public static final String STATE_SCROLL_POSITION = ConversationFragment.class.getName() + ".scroll_position";
 151    public static final String STATE_PHOTO_URI = ConversationFragment.class.getName() + ".media_previews";
 152    public static final String STATE_MEDIA_PREVIEWS = ConversationFragment.class.getName() + ".take_photo_uri";
 153    private static final String STATE_LAST_MESSAGE_UUID = "state_last_message_uuid";
 154
 155    private final List<Message> messageList = new ArrayList<>();
 156    private final PendingItem<ActivityResult> postponedActivityResult = new PendingItem<>();
 157    private final PendingItem<String> pendingConversationsUuid = new PendingItem<>();
 158    private final PendingItem<ArrayList<Attachment>> pendingMediaPreviews = new PendingItem<>();
 159    private final PendingItem<Bundle> pendingExtras = new PendingItem<>();
 160    private final PendingItem<Uri> pendingTakePhotoUri = new PendingItem<>();
 161    private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
 162    private final PendingItem<String> pendingLastMessageUuid = new PendingItem<>();
 163    private final PendingItem<Message> pendingMessage = new PendingItem<>();
 164    public Uri mPendingEditorContent = null;
 165    protected MessageAdapter messageListAdapter;
 166    private MediaPreviewAdapter mediaPreviewAdapter;
 167    private String lastMessageUuid = null;
 168    private Conversation conversation;
 169    private FragmentConversationBinding binding;
 170    private Toast messageLoaderToast;
 171    private ConversationsActivity activity;
 172    private boolean reInitRequiredOnStart = true;
 173    private OnClickListener clickToMuc = new OnClickListener() {
 174
 175        @Override
 176        public void onClick(View v) {
 177            Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
 178            intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 179            intent.putExtra("uuid", conversation.getUuid());
 180            startActivity(intent);
 181        }
 182    };
 183    private OnClickListener leaveMuc = new OnClickListener() {
 184
 185        @Override
 186        public void onClick(View v) {
 187            activity.xmppConnectionService.archiveConversation(conversation);
 188        }
 189    };
 190    private OnClickListener joinMuc = new OnClickListener() {
 191
 192        @Override
 193        public void onClick(View v) {
 194            activity.xmppConnectionService.joinMuc(conversation);
 195        }
 196    };
 197
 198    private OnClickListener acceptJoin = new OnClickListener() {
 199        @Override
 200        public void onClick(View v) {
 201            conversation.setAttribute("accept_non_anonymous",true);
 202            activity.xmppConnectionService.updateConversation(conversation);
 203            activity.xmppConnectionService.joinMuc(conversation);
 204        }
 205    };
 206
 207    private OnClickListener enterPassword = new OnClickListener() {
 208
 209        @Override
 210        public void onClick(View v) {
 211            MucOptions muc = conversation.getMucOptions();
 212            String password = muc.getPassword();
 213            if (password == null) {
 214                password = "";
 215            }
 216            activity.quickPasswordEdit(password, value -> {
 217                activity.xmppConnectionService.providePasswordForMuc(conversation, value);
 218                return null;
 219            });
 220        }
 221    };
 222    private OnScrollListener mOnScrollListener = new OnScrollListener() {
 223
 224        @Override
 225        public void onScrollStateChanged(AbsListView view, int scrollState) {
 226            if (AbsListView.OnScrollListener.SCROLL_STATE_IDLE == scrollState) {
 227                fireReadEvent();
 228            }
 229        }
 230
 231        @Override
 232        public void onScroll(final AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
 233            toggleScrollDownButton(view);
 234            synchronized (ConversationFragment.this.messageList) {
 235                if (firstVisibleItem < 5 && conversation != null && conversation.messagesLoaded.compareAndSet(true, false) && messageList.size() > 0) {
 236                    long timestamp;
 237                    if (messageList.get(0).getType() == Message.TYPE_STATUS && messageList.size() >= 2) {
 238                        timestamp = messageList.get(1).getTimeSent();
 239                    } else {
 240                        timestamp = messageList.get(0).getTimeSent();
 241                    }
 242                    activity.xmppConnectionService.loadMoreMessages(conversation, timestamp, new XmppConnectionService.OnMoreMessagesLoaded() {
 243                        @Override
 244                        public void onMoreMessagesLoaded(final int c, final Conversation conversation) {
 245                            if (ConversationFragment.this.conversation != conversation) {
 246                                conversation.messagesLoaded.set(true);
 247                                return;
 248                            }
 249                            runOnUiThread(() -> {
 250                                synchronized (messageList) {
 251                                    final int oldPosition = binding.messagesView.getFirstVisiblePosition();
 252                                    Message message = null;
 253                                    int childPos;
 254                                    for (childPos = 0; childPos + oldPosition < messageList.size(); ++childPos) {
 255                                        message = messageList.get(oldPosition + childPos);
 256                                        if (message.getType() != Message.TYPE_STATUS) {
 257                                            break;
 258                                        }
 259                                    }
 260                                    final String uuid = message != null ? message.getUuid() : null;
 261                                    View v = binding.messagesView.getChildAt(childPos);
 262                                    final int pxOffset = (v == null) ? 0 : v.getTop();
 263                                    ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
 264                                    try {
 265                                        updateStatusMessages();
 266                                    } catch (IllegalStateException e) {
 267                                        Log.d(Config.LOGTAG, "caught illegal state exception while updating status messages");
 268                                    }
 269                                    messageListAdapter.notifyDataSetChanged();
 270                                    int pos = Math.max(getIndexOf(uuid, messageList), 0);
 271                                    binding.messagesView.setSelectionFromTop(pos, pxOffset);
 272                                    if (messageLoaderToast != null) {
 273                                        messageLoaderToast.cancel();
 274                                    }
 275                                    conversation.messagesLoaded.set(true);
 276                                }
 277                            });
 278                        }
 279
 280                        @Override
 281                        public void informUser(final int resId) {
 282
 283                            runOnUiThread(() -> {
 284                                if (messageLoaderToast != null) {
 285                                    messageLoaderToast.cancel();
 286                                }
 287                                if (ConversationFragment.this.conversation != conversation) {
 288                                    return;
 289                                }
 290                                messageLoaderToast = Toast.makeText(view.getContext(), resId, Toast.LENGTH_LONG);
 291                                messageLoaderToast.show();
 292                            });
 293
 294                        }
 295                    });
 296
 297                }
 298            }
 299        }
 300    };
 301    private EditMessage.OnCommitContentListener mEditorContentListener = new EditMessage.OnCommitContentListener() {
 302        @Override
 303        public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags, Bundle opts, String[] contentMimeTypes) {
 304            // try to get permission to read the image, if applicable
 305            if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) {
 306                try {
 307                    inputContentInfo.requestPermission();
 308                } catch (Exception e) {
 309                    Log.e(Config.LOGTAG, "InputContentInfoCompat#requestPermission() failed.", e);
 310                    Toast.makeText(getActivity(), activity.getString(R.string.no_permission_to_access_x, inputContentInfo.getDescription()), Toast.LENGTH_LONG
 311                    ).show();
 312                    return false;
 313                }
 314            }
 315            if (hasPermissions(REQUEST_ADD_EDITOR_CONTENT, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 316                attachEditorContentToConversation(inputContentInfo.getContentUri());
 317            } else {
 318                mPendingEditorContent = inputContentInfo.getContentUri();
 319            }
 320            return true;
 321        }
 322    };
 323    private Message selectedMessage;
 324    private OnClickListener mEnableAccountListener = new OnClickListener() {
 325        @Override
 326        public void onClick(View v) {
 327            final Account account = conversation == null ? null : conversation.getAccount();
 328            if (account != null) {
 329                account.setOption(Account.OPTION_DISABLED, false);
 330                activity.xmppConnectionService.updateAccount(account);
 331            }
 332        }
 333    };
 334    private OnClickListener mUnblockClickListener = new OnClickListener() {
 335        @Override
 336        public void onClick(final View v) {
 337            v.post(() -> v.setVisibility(View.INVISIBLE));
 338            if (conversation.isDomainBlocked()) {
 339                BlockContactDialog.show(activity, conversation);
 340            } else {
 341                unblockConversation(conversation);
 342            }
 343        }
 344    };
 345    private OnClickListener mBlockClickListener = this::showBlockSubmenu;
 346    private OnClickListener mAddBackClickListener = new OnClickListener() {
 347
 348        @Override
 349        public void onClick(View v) {
 350            final Contact contact = conversation == null ? null : conversation.getContact();
 351            if (contact != null) {
 352                activity.xmppConnectionService.createContact(contact, true);
 353                activity.switchToContactDetails(contact);
 354            }
 355        }
 356    };
 357    private View.OnLongClickListener mLongPressBlockListener = this::showBlockSubmenu;
 358    private OnClickListener mAllowPresenceSubscription = new OnClickListener() {
 359        @Override
 360        public void onClick(View v) {
 361            final Contact contact = conversation == null ? null : conversation.getContact();
 362            if (contact != null) {
 363                activity.xmppConnectionService.sendPresencePacket(contact.getAccount(),
 364                        activity.xmppConnectionService.getPresenceGenerator()
 365                                .sendPresenceUpdatesTo(contact));
 366                hideSnackbar();
 367            }
 368        }
 369    };
 370    protected OnClickListener clickToDecryptListener = new OnClickListener() {
 371
 372        @Override
 373        public void onClick(View v) {
 374            PendingIntent pendingIntent = conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 375            if (pendingIntent != null) {
 376                try {
 377                    getActivity().startIntentSenderForResult(pendingIntent.getIntentSender(),
 378                            REQUEST_DECRYPT_PGP,
 379                            null,
 380                            0,
 381                            0,
 382                            0);
 383                } catch (SendIntentException e) {
 384                    Toast.makeText(getActivity(), R.string.unable_to_connect_to_keychain, Toast.LENGTH_SHORT).show();
 385                    conversation.getAccount().getPgpDecryptionService().continueDecryption(true);
 386                }
 387            }
 388            updateSnackBar(conversation);
 389        }
 390    };
 391    private AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 392    private OnEditorActionListener mEditorActionListener = (v, actionId, event) -> {
 393        if (actionId == EditorInfo.IME_ACTION_SEND) {
 394            InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
 395            if (imm != null && imm.isFullscreenMode()) {
 396                imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 397            }
 398            sendMessage();
 399            return true;
 400        } else {
 401            return false;
 402        }
 403    };
 404    private OnClickListener mScrollButtonListener = new OnClickListener() {
 405
 406        @Override
 407        public void onClick(View v) {
 408            stopScrolling();
 409            setSelection(binding.messagesView.getCount() - 1, true);
 410        }
 411    };
 412    private OnClickListener mSendButtonListener = new OnClickListener() {
 413
 414        @Override
 415        public void onClick(View v) {
 416            Object tag = v.getTag();
 417            if (tag instanceof SendButtonAction) {
 418                SendButtonAction action = (SendButtonAction) tag;
 419                switch (action) {
 420                    case TAKE_PHOTO:
 421                    case RECORD_VIDEO:
 422                    case SEND_LOCATION:
 423                    case RECORD_VOICE:
 424                    case CHOOSE_PICTURE:
 425                        attachFile(action.toChoice());
 426                        break;
 427                    case CANCEL:
 428                        if (conversation != null) {
 429                            if (conversation.setCorrectingMessage(null)) {
 430                                binding.textinput.setText("");
 431                                binding.textinput.append(conversation.getDraftMessage());
 432                                conversation.setDraftMessage(null);
 433                            } else if (conversation.getMode() == Conversation.MODE_MULTI) {
 434                                conversation.setNextCounterpart(null);
 435                            }
 436                            updateChatMsgHint();
 437                            updateSendButton();
 438                            updateEditablity();
 439                        }
 440                        break;
 441                    default:
 442                        sendMessage();
 443                }
 444            } else {
 445                sendMessage();
 446            }
 447        }
 448    };
 449    private int completionIndex = 0;
 450    private int lastCompletionLength = 0;
 451    private String incomplete;
 452    private int lastCompletionCursor;
 453    private boolean firstWord = false;
 454    private Message mPendingDownloadableMessage;
 455
 456    private static ConversationFragment findConversationFragment(Activity activity) {
 457        Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
 458        if (fragment != null && fragment instanceof ConversationFragment) {
 459            return (ConversationFragment) fragment;
 460        }
 461        fragment = activity.getFragmentManager().findFragmentById(R.id.secondary_fragment);
 462        if (fragment != null && fragment instanceof ConversationFragment) {
 463            return (ConversationFragment) fragment;
 464        }
 465        return null;
 466    }
 467
 468    public static void startStopPending(Activity activity) {
 469        ConversationFragment fragment = findConversationFragment(activity);
 470        if (fragment != null) {
 471            fragment.messageListAdapter.startStopPending();
 472        }
 473    }
 474
 475    public static void downloadFile(Activity activity, Message message) {
 476        ConversationFragment fragment = findConversationFragment(activity);
 477        if (fragment != null) {
 478            fragment.startDownloadable(message);
 479        }
 480    }
 481
 482    public static void registerPendingMessage(Activity activity, Message message) {
 483        ConversationFragment fragment = findConversationFragment(activity);
 484        if (fragment != null) {
 485            fragment.pendingMessage.push(message);
 486        }
 487    }
 488
 489    public static void openPendingMessage(Activity activity) {
 490        ConversationFragment fragment = findConversationFragment(activity);
 491        if (fragment != null) {
 492            Message message = fragment.pendingMessage.pop();
 493            if (message != null) {
 494                fragment.messageListAdapter.openDownloadable(message);
 495            }
 496        }
 497    }
 498
 499    public static Conversation getConversation(Activity activity) {
 500        return getConversation(activity, R.id.secondary_fragment);
 501    }
 502
 503    private static Conversation getConversation(Activity activity, @IdRes int res) {
 504        final Fragment fragment = activity.getFragmentManager().findFragmentById(res);
 505        if (fragment != null && fragment instanceof ConversationFragment) {
 506            return ((ConversationFragment) fragment).getConversation();
 507        } else {
 508            return null;
 509        }
 510    }
 511
 512    public static ConversationFragment get(Activity activity) {
 513        FragmentManager fragmentManager = activity.getFragmentManager();
 514        Fragment fragment = fragmentManager.findFragmentById(R.id.main_fragment);
 515        if (fragment != null && fragment instanceof ConversationFragment) {
 516            return (ConversationFragment) fragment;
 517        } else {
 518            fragment = fragmentManager.findFragmentById(R.id.secondary_fragment);
 519            return fragment != null && fragment instanceof ConversationFragment ? (ConversationFragment) fragment : null;
 520        }
 521    }
 522
 523    public static Conversation getConversationReliable(Activity activity) {
 524        final Conversation conversation = getConversation(activity, R.id.secondary_fragment);
 525        if (conversation != null) {
 526            return conversation;
 527        }
 528        return getConversation(activity, R.id.main_fragment);
 529    }
 530
 531    private static boolean scrolledToBottom(AbsListView listView) {
 532        final int count = listView.getCount();
 533        if (count == 0) {
 534            return true;
 535        } else if (listView.getLastVisiblePosition() == count - 1) {
 536            final View lastChild = listView.getChildAt(listView.getChildCount() - 1);
 537            return lastChild != null && lastChild.getBottom() <= listView.getHeight();
 538        } else {
 539            return false;
 540        }
 541    }
 542
 543    private void toggleScrollDownButton() {
 544        toggleScrollDownButton(binding.messagesView);
 545    }
 546
 547    private void toggleScrollDownButton(AbsListView listView) {
 548        if (conversation == null) {
 549            return;
 550        }
 551        if (scrolledToBottom(listView)) {
 552            lastMessageUuid = null;
 553            hideUnreadMessagesCount();
 554        } else {
 555            binding.scrollToBottomButton.setEnabled(true);
 556            binding.scrollToBottomButton.show();
 557            if (lastMessageUuid == null) {
 558                lastMessageUuid = conversation.getLatestMessage().getUuid();
 559            }
 560            if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) > 0) {
 561                binding.unreadCountCustomView.setVisibility(View.VISIBLE);
 562            }
 563        }
 564    }
 565
 566    private int getIndexOf(String uuid, List<Message> messages) {
 567        if (uuid == null) {
 568            return messages.size() - 1;
 569        }
 570        for (int i = 0; i < messages.size(); ++i) {
 571            if (uuid.equals(messages.get(i).getUuid())) {
 572                return i;
 573            } else {
 574                Message next = messages.get(i);
 575                while (next != null && next.wasMergedIntoPrevious()) {
 576                    if (uuid.equals(next.getUuid())) {
 577                        return i;
 578                    }
 579                    next = next.next();
 580                }
 581
 582            }
 583        }
 584        return -1;
 585    }
 586
 587    private ScrollState getScrollPosition() {
 588        final ListView listView = this.binding == null ? null : this.binding.messagesView;
 589        if (listView == null || listView.getCount() == 0 || listView.getLastVisiblePosition() == listView.getCount() - 1) {
 590            return null;
 591        } else {
 592            final int pos = listView.getFirstVisiblePosition();
 593            final View view = listView.getChildAt(0);
 594            if (view == null) {
 595                return null;
 596            } else {
 597                return new ScrollState(pos, view.getTop());
 598            }
 599        }
 600    }
 601
 602    private void setScrollPosition(ScrollState scrollPosition, String lastMessageUuid) {
 603        if (scrollPosition != null) {
 604
 605            this.lastMessageUuid = lastMessageUuid;
 606            if (lastMessageUuid != null) {
 607                binding.unreadCountCustomView.setUnreadCount(conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
 608            }
 609            //TODO maybe this needs a 'post'
 610            this.binding.messagesView.setSelectionFromTop(scrollPosition.position, scrollPosition.offset);
 611            toggleScrollDownButton();
 612        }
 613    }
 614
 615    private void attachLocationToConversation(Conversation conversation, Uri uri) {
 616        if (conversation == null) {
 617            return;
 618        }
 619        activity.xmppConnectionService.attachLocationToConversation(conversation, uri, new UiCallback<Message>() {
 620
 621            @Override
 622            public void success(Message message) {
 623
 624            }
 625
 626            @Override
 627            public void error(int errorCode, Message object) {
 628                //TODO show possible pgp error
 629            }
 630
 631            @Override
 632            public void userInputRequried(PendingIntent pi, Message object) {
 633
 634            }
 635        });
 636    }
 637
 638    private void attachFileToConversation(Conversation conversation, Uri uri, String type) {
 639        if (conversation == null) {
 640            return;
 641        }
 642        final Toast prepareFileToast = Toast.makeText(getActivity(), getText(R.string.preparing_file), Toast.LENGTH_LONG);
 643        prepareFileToast.show();
 644        activity.delegateUriPermissionsToService(uri);
 645        activity.xmppConnectionService.attachFileToConversation(conversation, uri, type, new UiInformableCallback<Message>() {
 646            @Override
 647            public void inform(final String text) {
 648                hidePrepareFileToast(prepareFileToast);
 649                runOnUiThread(() -> activity.replaceToast(text));
 650            }
 651
 652            @Override
 653            public void success(Message message) {
 654                runOnUiThread(() -> activity.hideToast());
 655                hidePrepareFileToast(prepareFileToast);
 656            }
 657
 658            @Override
 659            public void error(final int errorCode, Message message) {
 660                hidePrepareFileToast(prepareFileToast);
 661                runOnUiThread(() -> activity.replaceToast(getString(errorCode)));
 662
 663            }
 664
 665            @Override
 666            public void userInputRequried(PendingIntent pi, Message message) {
 667                hidePrepareFileToast(prepareFileToast);
 668            }
 669        });
 670    }
 671
 672    public void attachEditorContentToConversation(Uri uri) {
 673        mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), uri, Attachment.Type.FILE));
 674        toggleInputMethod();
 675    }
 676
 677    private void attachImageToConversation(Conversation conversation, Uri uri) {
 678        if (conversation == null) {
 679            return;
 680        }
 681        final Toast prepareFileToast = Toast.makeText(getActivity(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 682        prepareFileToast.show();
 683        activity.delegateUriPermissionsToService(uri);
 684        activity.xmppConnectionService.attachImageToConversation(conversation, uri,
 685                new UiCallback<Message>() {
 686
 687                    @Override
 688                    public void userInputRequried(PendingIntent pi, Message object) {
 689                        hidePrepareFileToast(prepareFileToast);
 690                    }
 691
 692                    @Override
 693                    public void success(Message message) {
 694                        hidePrepareFileToast(prepareFileToast);
 695                    }
 696
 697                    @Override
 698                    public void error(final int error, Message message) {
 699                        hidePrepareFileToast(prepareFileToast);
 700                        activity.runOnUiThread(() -> activity.replaceToast(getString(error)));
 701                    }
 702                });
 703    }
 704
 705    private void hidePrepareFileToast(final Toast prepareFileToast) {
 706        if (prepareFileToast != null && activity != null) {
 707            activity.runOnUiThread(prepareFileToast::cancel);
 708        }
 709    }
 710
 711    private void sendMessage() {
 712        if (mediaPreviewAdapter.hasAttachments()) {
 713            commitAttachments();
 714            return;
 715        }
 716        final Editable text = this.binding.textinput.getText();
 717        final String body = text == null ? "" : text.toString();
 718        final Conversation conversation = this.conversation;
 719        if (body.length() == 0 || conversation == null) {
 720            return;
 721        }
 722        if (conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL && trustKeysIfNeeded(REQUEST_TRUST_KEYS_TEXT)) {
 723            return;
 724        }
 725        final Message message;
 726        if (conversation.getCorrectingMessage() == null) {
 727            message = new Message(conversation, body, conversation.getNextEncryption());
 728            if (conversation.getMode() == Conversation.MODE_MULTI) {
 729                final Jid nextCounterpart = conversation.getNextCounterpart();
 730                if (nextCounterpart != null) {
 731                    message.setCounterpart(nextCounterpart);
 732                    message.setTrueCounterpart(conversation.getMucOptions().getTrueCounterpart(nextCounterpart));
 733                    message.setType(Message.TYPE_PRIVATE);
 734                }
 735            }
 736        } else {
 737            message = conversation.getCorrectingMessage();
 738            message.setBody(body);
 739            message.putEdited(message.getUuid(), message.getServerMsgId());
 740            message.setServerMsgId(null);
 741            message.setUuid(UUID.randomUUID().toString());
 742        }
 743        switch (conversation.getNextEncryption()) {
 744            case Message.ENCRYPTION_PGP:
 745                sendPgpMessage(message);
 746                break;
 747            default:
 748                sendMessage(message);
 749        }
 750    }
 751
 752    protected boolean trustKeysIfNeeded(int requestCode) {
 753        AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
 754        final List<Jid> targets = axolotlService.getCryptoTargets(conversation);
 755        boolean hasUnaccepted = !conversation.getAcceptedCryptoTargets().containsAll(targets);
 756        boolean hasUndecidedOwn = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided()).isEmpty();
 757        boolean hasUndecidedContacts = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets).isEmpty();
 758        boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(conversation).isEmpty();
 759        boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
 760        boolean downloadInProgress = axolotlService.hasPendingKeyFetches(targets);
 761        if (hasUndecidedOwn || hasUndecidedContacts || hasPendingKeys || hasNoTrustedKeys || hasUnaccepted || downloadInProgress) {
 762            axolotlService.createSessionsIfNeeded(conversation);
 763            Intent intent = new Intent(getActivity(), TrustKeysActivity.class);
 764            String[] contacts = new String[targets.size()];
 765            for (int i = 0; i < contacts.length; ++i) {
 766                contacts[i] = targets.get(i).toString();
 767            }
 768            intent.putExtra("contacts", contacts);
 769            intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().asBareJid().toString());
 770            intent.putExtra("conversation", conversation.getUuid());
 771            startActivityForResult(intent, requestCode);
 772            return true;
 773        } else {
 774            return false;
 775        }
 776    }
 777
 778    public void updateChatMsgHint() {
 779        final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
 780        if (conversation.getCorrectingMessage() != null) {
 781            this.binding.textInputHint.setVisibility(View.GONE);
 782            this.binding.textinput.setHint(R.string.send_corrected_message);
 783        } else if (multi && conversation.getNextCounterpart() != null) {
 784            this.binding.textinput.setHint(R.string.send_unencrypted_message);
 785            this.binding.textInputHint.setVisibility(View.VISIBLE);
 786            this.binding.textInputHint.setText(getString(
 787                    R.string.send_private_message_to,
 788                    conversation.getNextCounterpart().getResource()));
 789        } else if (multi && !conversation.getMucOptions().participating()) {
 790            this.binding.textInputHint.setVisibility(View.GONE);
 791            this.binding.textinput.setHint(R.string.you_are_not_participating);
 792        } else {
 793            this.binding.textInputHint.setVisibility(View.GONE);
 794            this.binding.textinput.setHint(UIHelper.getMessageHint(getActivity(), conversation));
 795            getActivity().invalidateOptionsMenu();
 796        }
 797    }
 798
 799    public void setupIme() {
 800        this.binding.textinput.refreshIme();
 801    }
 802
 803    private void handleActivityResult(ActivityResult activityResult) {
 804        if (activityResult.resultCode == Activity.RESULT_OK) {
 805            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
 806        } else {
 807            handleNegativeActivityResult(activityResult.requestCode);
 808        }
 809    }
 810
 811    private void handlePositiveActivityResult(int requestCode, final Intent data) {
 812        switch (requestCode) {
 813            case REQUEST_TRUST_KEYS_TEXT:
 814                sendMessage();
 815                break;
 816            case REQUEST_TRUST_KEYS_ATTACHMENTS:
 817                commitAttachments();
 818                break;
 819            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 820                final List<Attachment> imageUris = Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
 821                mediaPreviewAdapter.addMediaPreviews(imageUris);
 822                toggleInputMethod();
 823                break;
 824            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 825                final Uri takePhotoUri = pendingTakePhotoUri.pop();
 826                if (takePhotoUri != null) {
 827                    mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
 828                    toggleInputMethod();
 829                } else {
 830                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
 831                }
 832                break;
 833            case ATTACHMENT_CHOICE_CHOOSE_FILE:
 834            case ATTACHMENT_CHOICE_RECORD_VIDEO:
 835            case ATTACHMENT_CHOICE_RECORD_VOICE:
 836                final Attachment.Type type = requestCode == ATTACHMENT_CHOICE_RECORD_VOICE ? Attachment.Type.RECORDING : Attachment.Type.FILE;
 837                final List<Attachment> fileUris = Attachment.extractAttachments(getActivity(), data, type);
 838                mediaPreviewAdapter.addMediaPreviews(fileUris);
 839                toggleInputMethod();
 840                break;
 841            case ATTACHMENT_CHOICE_LOCATION:
 842                double latitude = data.getDoubleExtra("latitude", 0);
 843                double longitude = data.getDoubleExtra("longitude", 0);
 844                Uri geo = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
 845                mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
 846                toggleInputMethod();
 847                break;
 848            case REQUEST_INVITE_TO_CONVERSATION:
 849                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
 850                if (invite != null) {
 851                    if (invite.execute(activity)) {
 852                        activity.mToast = Toast.makeText(activity, R.string.creating_conference, Toast.LENGTH_LONG);
 853                        activity.mToast.show();
 854                    }
 855                }
 856                break;
 857        }
 858    }
 859
 860    private void commitAttachments() {
 861        if (!hasPermissions(REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 862            return;
 863        }
 864        if (conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL && trustKeysIfNeeded(REQUEST_TRUST_KEYS_ATTACHMENTS)) {
 865            return;
 866        }
 867        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
 868        final PresenceSelector.OnPresenceSelected callback = () -> {
 869            for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
 870                final Attachment attachment = i.next();
 871                if (attachment.getType() == Attachment.Type.LOCATION) {
 872                    attachLocationToConversation(conversation, attachment.getUri());
 873                } else if (attachment.getType() == Attachment.Type.IMAGE) {
 874                    Log.d(Config.LOGTAG, "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
 875                    attachImageToConversation(conversation, attachment.getUri());
 876                } else {
 877                    Log.d(Config.LOGTAG, "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
 878                    attachFileToConversation(conversation, attachment.getUri(), attachment.getMime());
 879                }
 880            }
 881            mediaPreviewAdapter.notifyDataSetChanged();
 882            toggleInputMethod();
 883        };
 884        if (conversation == null || conversation.getMode() == Conversation.MODE_MULTI || FileBackend.allFilesUnderSize(getActivity(), attachments, getMaxHttpUploadSize(conversation))) {
 885            callback.onPresenceSelected();
 886        } else {
 887            activity.selectPresence(conversation, callback);
 888        }
 889    }
 890
 891    public void toggleInputMethod() {
 892        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
 893        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
 894        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
 895        updateSendButton();
 896    }
 897
 898    private void handleNegativeActivityResult(int requestCode) {
 899        switch (requestCode) {
 900            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 901                if (pendingTakePhotoUri.clear()) {
 902                    Log.d(Config.LOGTAG, "cleared pending photo uri after negative activity result");
 903                }
 904                break;
 905        }
 906    }
 907
 908    @Override
 909    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
 910        super.onActivityResult(requestCode, resultCode, data);
 911        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
 912        if (activity != null && activity.xmppConnectionService != null) {
 913            handleActivityResult(activityResult);
 914        } else {
 915            this.postponedActivityResult.push(activityResult);
 916        }
 917    }
 918
 919    public void unblockConversation(final Blockable conversation) {
 920        activity.xmppConnectionService.sendUnblockRequest(conversation);
 921    }
 922
 923    @Override
 924    public void onAttach(Activity activity) {
 925        super.onAttach(activity);
 926        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
 927        if (activity instanceof ConversationsActivity) {
 928            this.activity = (ConversationsActivity) activity;
 929        } else {
 930            throw new IllegalStateException("Trying to attach fragment to activity that is not the ConversationsActivity");
 931        }
 932    }
 933
 934    @Override
 935    public void onDetach() {
 936        super.onDetach();
 937        this.activity = null; //TODO maybe not a good idea since some callbacks really need it
 938    }
 939
 940    @Override
 941    public void onCreate(Bundle savedInstanceState) {
 942        super.onCreate(savedInstanceState);
 943        setHasOptionsMenu(true);
 944    }
 945
 946    @Override
 947    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
 948        menuInflater.inflate(R.menu.fragment_conversation, menu);
 949        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 950        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 951        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 952        final MenuItem menuMute = menu.findItem(R.id.action_mute);
 953        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 954
 955
 956        if (conversation != null) {
 957            if (conversation.getMode() == Conversation.MODE_MULTI) {
 958                menuContactDetails.setVisible(false);
 959                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
 960                menuMucDetails.setTitle(conversation.getMucOptions().isPrivateAndNonAnonymous() ? R.string.action_muc_details : R.string.channel_details);
 961            } else {
 962                menuContactDetails.setVisible(!this.conversation.withSelf());
 963                menuMucDetails.setVisible(false);
 964                final XmppConnectionService service = activity.xmppConnectionService;
 965                menuInviteContact.setVisible(service != null && service.findConferenceServer(conversation.getAccount()) != null);
 966            }
 967            if (conversation.isMuted()) {
 968                menuMute.setVisible(false);
 969            } else {
 970                menuUnmute.setVisible(false);
 971            }
 972            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu);
 973            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
 974        }
 975        super.onCreateOptionsMenu(menu, menuInflater);
 976    }
 977
 978    @Override
 979    public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 980        this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
 981        binding.getRoot().setOnClickListener(null); //TODO why the fuck did we do this?
 982
 983        binding.textinput.addTextChangedListener(new StylingHelper.MessageEditorStyler(binding.textinput));
 984
 985        binding.textinput.setOnEditorActionListener(mEditorActionListener);
 986        binding.textinput.setRichContentListener(new String[]{"image/*"}, mEditorContentListener);
 987
 988        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
 989
 990        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
 991        binding.messagesView.setOnScrollListener(mOnScrollListener);
 992        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
 993        mediaPreviewAdapter = new MediaPreviewAdapter(this);
 994        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
 995        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
 996        messageListAdapter.setOnContactPictureClicked(this);
 997        messageListAdapter.setOnContactPictureLongClicked(this);
 998        messageListAdapter.setOnQuoteListener(this::quoteText);
 999        binding.messagesView.setAdapter(messageListAdapter);
1000
1001        registerForContextMenu(binding.messagesView);
1002
1003        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1004            this.binding.textinput.setCustomInsertionActionModeCallback(new EditMessageActionModeCallback(this.binding.textinput));
1005        }
1006
1007        return binding.getRoot();
1008    }
1009
1010    private void quoteText(String text) {
1011        if (binding.textinput.isEnabled()) {
1012            binding.textinput.insertAsQuote(text);
1013            binding.textinput.requestFocus();
1014            InputMethodManager inputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1015            if (inputMethodManager != null) {
1016                inputMethodManager.showSoftInput(binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1017            }
1018        }
1019    }
1020
1021    private void quoteMessage(Message message) {
1022        quoteText(MessageUtils.prepareQuote(message));
1023    }
1024
1025    @Override
1026    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1027        synchronized (this.messageList) {
1028            super.onCreateContextMenu(menu, v, menuInfo);
1029            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1030            this.selectedMessage = this.messageList.get(acmi.position);
1031            populateContextMenu(menu);
1032        }
1033    }
1034
1035    private void populateContextMenu(ContextMenu menu) {
1036        final Message m = this.selectedMessage;
1037        final Transferable t = m.getTransferable();
1038        Message relevantForCorrection = m;
1039        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1040            relevantForCorrection = relevantForCorrection.next();
1041        }
1042        if (m.getType() != Message.TYPE_STATUS) {
1043
1044            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1045                return;
1046            }
1047
1048            final boolean deleted = m.isDeleted();
1049            final boolean encrypted = m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1050                    || m.getEncryption() == Message.ENCRYPTION_PGP;
1051            final boolean receiving = m.getStatus() == Message.STATUS_RECEIVED && (t instanceof JingleConnection || t instanceof HttpDownloadConnection);
1052            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1053            menu.setHeaderTitle(R.string.message_options);
1054            MenuItem openWith = menu.findItem(R.id.open_with);
1055            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1056            MenuItem copyLink = menu.findItem(R.id.copy_link);
1057            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1058            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1059            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1060            MenuItem shareWith = menu.findItem(R.id.share_with);
1061            MenuItem sendAgain = menu.findItem(R.id.send_again);
1062            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1063            MenuItem downloadFile = menu.findItem(R.id.download_file);
1064            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1065            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1066            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1067            final boolean showError = m.getStatus() == Message.STATUS_SEND_FAILED && m.getErrorMessage() != null && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1068            if (!m.isFileOrImage() && !encrypted && !m.isGeoUri() && !m.treatAsDownloadable()) {
1069                copyMessage.setVisible(true);
1070                quoteMessage.setVisible(!showError && MessageUtils.prepareQuote(m).length() > 0);
1071                String body = m.getMergedBody().toString();
1072                if (ShareUtil.containsXmppUri(body)) {
1073                    copyLink.setTitle(R.string.copy_jabber_id);
1074                    copyLink.setVisible(true);
1075                } else if (Patterns.AUTOLINK_WEB_URL.matcher(body).find()) {
1076                    copyLink.setVisible(true);
1077                }
1078            }
1079            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1080                retryDecryption.setVisible(true);
1081            }
1082            if (!showError
1083                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1084                    && !m.isGeoUri()
1085                    && relevantForCorrection.isLastCorrectableMessage()
1086                    && m.getConversation() instanceof Conversation) {
1087                correctMessage.setVisible(true);
1088            }
1089            if ((m.isFileOrImage() && !deleted && !receiving) || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())) {
1090                shareWith.setVisible(true);
1091            }
1092            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1093                sendAgain.setVisible(true);
1094            }
1095            if (m.hasFileOnRemoteHost()
1096                    || m.isGeoUri()
1097                    || m.treatAsDownloadable()
1098                    || t instanceof HttpDownloadConnection) {
1099                copyUrl.setVisible(true);
1100            }
1101            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1102                downloadFile.setVisible(true);
1103                downloadFile.setTitle(activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, m)));
1104            }
1105            final boolean waitingOfferedSending = m.getStatus() == Message.STATUS_WAITING
1106                    || m.getStatus() == Message.STATUS_UNSEND
1107                    || m.getStatus() == Message.STATUS_OFFERED;
1108            final boolean cancelable = (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1109            if (cancelable) {
1110                cancelTransmission.setVisible(true);
1111            }
1112            if (m.isFileOrImage() && !deleted && !cancelable) {
1113                String path = m.getRelativeFilePath();
1114                if (path == null || !path.startsWith("/") || FileBackend.isInDirectoryThatShouldNotBeScanned(getActivity(), path)) {
1115                    deleteFile.setVisible(true);
1116                    deleteFile.setTitle(activity.getString(R.string.delete_x_file, UIHelper.getFileDescriptionString(activity, m)));
1117                }
1118            }
1119            if (showError) {
1120                showErrorMessage.setVisible(true);
1121            }
1122            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1123            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(),m)) || (mime != null && mime.startsWith("audio/"))) {
1124                openWith.setVisible(true);
1125            }
1126        }
1127    }
1128
1129    @Override
1130    public boolean onContextItemSelected(MenuItem item) {
1131        switch (item.getItemId()) {
1132            case R.id.share_with:
1133                ShareUtil.share(activity, selectedMessage);
1134                return true;
1135            case R.id.correct_message:
1136                correctMessage(selectedMessage);
1137                return true;
1138            case R.id.copy_message:
1139                ShareUtil.copyToClipboard(activity, selectedMessage);
1140                return true;
1141            case R.id.copy_link:
1142                ShareUtil.copyLinkToClipboard(activity, selectedMessage);
1143                return true;
1144            case R.id.quote_message:
1145                quoteMessage(selectedMessage);
1146                return true;
1147            case R.id.send_again:
1148                resendMessage(selectedMessage);
1149                return true;
1150            case R.id.copy_url:
1151                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1152                return true;
1153            case R.id.download_file:
1154                startDownloadable(selectedMessage);
1155                return true;
1156            case R.id.cancel_transmission:
1157                cancelTransmission(selectedMessage);
1158                return true;
1159            case R.id.retry_decryption:
1160                retryDecryption(selectedMessage);
1161                return true;
1162            case R.id.delete_file:
1163                deleteFile(selectedMessage);
1164                return true;
1165            case R.id.show_error_message:
1166                showErrorMessage(selectedMessage);
1167                return true;
1168            case R.id.open_with:
1169                openWith(selectedMessage);
1170                return true;
1171            default:
1172                return super.onContextItemSelected(item);
1173        }
1174    }
1175
1176    @Override
1177    public boolean onOptionsItemSelected(final MenuItem item) {
1178        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1179            return false;
1180        } else if (conversation == null) {
1181            return super.onOptionsItemSelected(item);
1182        }
1183        switch (item.getItemId()) {
1184            case R.id.encryption_choice_axolotl:
1185            case R.id.encryption_choice_pgp:
1186            case R.id.encryption_choice_none:
1187                handleEncryptionSelection(item);
1188                break;
1189            case R.id.attach_choose_picture:
1190            case R.id.attach_take_picture:
1191            case R.id.attach_record_video:
1192            case R.id.attach_choose_file:
1193            case R.id.attach_record_voice:
1194            case R.id.attach_location:
1195                handleAttachmentSelection(item);
1196                break;
1197            case R.id.action_archive:
1198                activity.xmppConnectionService.archiveConversation(conversation);
1199                break;
1200            case R.id.action_contact_details:
1201                activity.switchToContactDetails(conversation.getContact());
1202                break;
1203            case R.id.action_muc_details:
1204                Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
1205                intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
1206                intent.putExtra("uuid", conversation.getUuid());
1207                startActivity(intent);
1208                break;
1209            case R.id.action_invite:
1210                startActivityForResult(ChooseContactActivity.create(activity, conversation), REQUEST_INVITE_TO_CONVERSATION);
1211                break;
1212            case R.id.action_clear_history:
1213                clearHistoryDialog(conversation);
1214                break;
1215            case R.id.action_mute:
1216                muteConversationDialog(conversation);
1217                break;
1218            case R.id.action_unmute:
1219                unmuteConversation(conversation);
1220                break;
1221            case R.id.action_block:
1222            case R.id.action_unblock:
1223                final Activity activity = getActivity();
1224                if (activity instanceof XmppActivity) {
1225                    BlockContactDialog.show((XmppActivity) activity, conversation);
1226                }
1227                break;
1228            default:
1229                break;
1230        }
1231        return super.onOptionsItemSelected(item);
1232    }
1233
1234    private void handleAttachmentSelection(MenuItem item) {
1235        switch (item.getItemId()) {
1236            case R.id.attach_choose_picture:
1237                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
1238                break;
1239            case R.id.attach_take_picture:
1240                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
1241                break;
1242            case R.id.attach_record_video:
1243                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
1244                break;
1245            case R.id.attach_choose_file:
1246                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
1247                break;
1248            case R.id.attach_record_voice:
1249                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
1250                break;
1251            case R.id.attach_location:
1252                attachFile(ATTACHMENT_CHOICE_LOCATION);
1253                break;
1254        }
1255    }
1256
1257    private void handleEncryptionSelection(MenuItem item) {
1258        if (conversation == null) {
1259            return;
1260        }
1261        final boolean updated;
1262        switch (item.getItemId()) {
1263            case R.id.encryption_choice_none:
1264                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1265                item.setChecked(true);
1266                break;
1267            case R.id.encryption_choice_pgp:
1268                if (activity.hasPgp()) {
1269                    if (conversation.getAccount().getPgpSignature() != null) {
1270                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
1271                        item.setChecked(true);
1272                    } else {
1273                        updated = false;
1274                        activity.announcePgp(conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
1275                    }
1276                } else {
1277                    activity.showInstallPgpDialog();
1278                    updated = false;
1279                }
1280                break;
1281            case R.id.encryption_choice_axolotl:
1282                Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
1283                        + "Enabled axolotl for Contact " + conversation.getContact().getJid());
1284                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
1285                item.setChecked(true);
1286                break;
1287            default:
1288                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1289                break;
1290        }
1291        if (updated) {
1292            activity.xmppConnectionService.updateConversation(conversation);
1293        }
1294        updateChatMsgHint();
1295        getActivity().invalidateOptionsMenu();
1296        activity.refreshUi();
1297    }
1298
1299    public void attachFile(final int attachmentChoice) {
1300        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
1301            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.RECORD_AUDIO)) {
1302                return;
1303            }
1304        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
1305            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA)) {
1306                return;
1307            }
1308        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
1309            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1310                return;
1311            }
1312        }
1313        try {
1314            activity.getPreferences().edit()
1315                    .putString(RECENTLY_USED_QUICK_ACTION, SendButtonAction.of(attachmentChoice).toString())
1316                    .apply();
1317        } catch (IllegalArgumentException e) {
1318            //just do not save
1319        }
1320        final int encryption = conversation.getNextEncryption();
1321        final int mode = conversation.getMode();
1322        if (encryption == Message.ENCRYPTION_PGP) {
1323            if (activity.hasPgp()) {
1324                if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
1325                    activity.xmppConnectionService.getPgpEngine().hasKey(
1326                            conversation.getContact(),
1327                            new UiCallback<Contact>() {
1328
1329                                @Override
1330                                public void userInputRequried(PendingIntent pi, Contact contact) {
1331                                    startPendingIntent(pi, attachmentChoice);
1332                                }
1333
1334                                @Override
1335                                public void success(Contact contact) {
1336                                    selectPresenceToAttachFile(attachmentChoice);
1337                                }
1338
1339                                @Override
1340                                public void error(int error, Contact contact) {
1341                                    activity.replaceToast(getString(error));
1342                                }
1343                            });
1344                } else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
1345                    if (!conversation.getMucOptions().everybodyHasKeys()) {
1346                        Toast warning = Toast.makeText(getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
1347                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1348                        warning.show();
1349                    }
1350                    selectPresenceToAttachFile(attachmentChoice);
1351                } else {
1352                    showNoPGPKeyDialog(false, (dialog, which) -> {
1353                        conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1354                        activity.xmppConnectionService.updateConversation(conversation);
1355                        selectPresenceToAttachFile(attachmentChoice);
1356                    });
1357                }
1358            } else {
1359                activity.showInstallPgpDialog();
1360            }
1361        } else {
1362            selectPresenceToAttachFile(attachmentChoice);
1363        }
1364    }
1365
1366    @Override
1367    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
1368        if (grantResults.length > 0) {
1369            if (allGranted(grantResults)) {
1370                switch (requestCode) {
1371                    case REQUEST_START_DOWNLOAD:
1372                        if (this.mPendingDownloadableMessage != null) {
1373                            startDownloadable(this.mPendingDownloadableMessage);
1374                        }
1375                        break;
1376                    case REQUEST_ADD_EDITOR_CONTENT:
1377                        if (this.mPendingEditorContent != null) {
1378                            attachEditorContentToConversation(this.mPendingEditorContent);
1379                        }
1380                        break;
1381                    case REQUEST_COMMIT_ATTACHMENTS:
1382                        commitAttachments();
1383                        break;
1384                    default:
1385                        attachFile(requestCode);
1386                        break;
1387                }
1388            } else {
1389                @StringRes int res;
1390                String firstDenied = getFirstDenied(grantResults, permissions);
1391                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
1392                    res = R.string.no_microphone_permission;
1393                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
1394                    res = R.string.no_camera_permission;
1395                } else {
1396                    res = R.string.no_storage_permission;
1397                }
1398                Toast.makeText(getActivity(), res, Toast.LENGTH_SHORT).show();
1399            }
1400        }
1401        if (writeGranted(grantResults, permissions)) {
1402            if (activity != null && activity.xmppConnectionService != null) {
1403                activity.xmppConnectionService.restartFileObserver();
1404            }
1405            refresh();
1406        }
1407    }
1408
1409    public void startDownloadable(Message message) {
1410        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1411            this.mPendingDownloadableMessage = message;
1412            return;
1413        }
1414        Transferable transferable = message.getTransferable();
1415        if (transferable != null) {
1416            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
1417                createNewConnection(message);
1418                return;
1419            }
1420            if (!transferable.start()) {
1421                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
1422                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
1423            }
1424        } else if (message.treatAsDownloadable() || message.hasFileOnRemoteHost()) {
1425            createNewConnection(message);
1426        }
1427    }
1428
1429    private void createNewConnection(final Message message) {
1430        if (!activity.xmppConnectionService.getHttpConnectionManager().checkConnection(message)) {
1431            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
1432            return;
1433        }
1434        activity.xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
1435    }
1436
1437    @SuppressLint("InflateParams")
1438    protected void clearHistoryDialog(final Conversation conversation) {
1439        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1440        builder.setTitle(getString(R.string.clear_conversation_history));
1441        final View dialogView = getActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
1442        final CheckBox endConversationCheckBox = dialogView.findViewById(R.id.end_conversation_checkbox);
1443        builder.setView(dialogView);
1444        builder.setNegativeButton(getString(R.string.cancel), null);
1445        builder.setPositiveButton(getString(R.string.confirm), (dialog, which) -> {
1446            this.activity.xmppConnectionService.clearConversationHistory(conversation);
1447            if (endConversationCheckBox.isChecked()) {
1448                this.activity.xmppConnectionService.archiveConversation(conversation);
1449                this.activity.onConversationArchived(conversation);
1450            } else {
1451                activity.onConversationsListItemUpdated();
1452                refresh();
1453            }
1454        });
1455        builder.create().show();
1456    }
1457
1458    protected void muteConversationDialog(final Conversation conversation) {
1459        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1460        builder.setTitle(R.string.disable_notifications);
1461        final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
1462        final CharSequence[] labels = new CharSequence[durations.length];
1463        for (int i = 0; i < durations.length; ++i) {
1464            if (durations[i] == -1) {
1465                labels[i] = getString(R.string.until_further_notice);
1466            } else {
1467                labels[i] = TimeframeUtils.resolve(activity, 1000L * durations[i]);
1468            }
1469        }
1470        builder.setItems(labels, (dialog, which) -> {
1471            final long till;
1472            if (durations[which] == -1) {
1473                till = Long.MAX_VALUE;
1474            } else {
1475                till = System.currentTimeMillis() + (durations[which] * 1000);
1476            }
1477            conversation.setMutedTill(till);
1478            activity.xmppConnectionService.updateConversation(conversation);
1479            activity.onConversationsListItemUpdated();
1480            refresh();
1481            getActivity().invalidateOptionsMenu();
1482        });
1483        builder.create().show();
1484    }
1485
1486    private boolean hasPermissions(int requestCode, String... permissions) {
1487        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1488            final List<String> missingPermissions = new ArrayList<>();
1489            for (String permission : permissions) {
1490                if (Config.ONLY_INTERNAL_STORAGE && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1491                    continue;
1492                }
1493                if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
1494                    missingPermissions.add(permission);
1495                }
1496            }
1497            if (missingPermissions.size() == 0) {
1498                return true;
1499            } else {
1500                requestPermissions(missingPermissions.toArray(new String[missingPermissions.size()]), requestCode);
1501                return false;
1502            }
1503        } else {
1504            return true;
1505        }
1506    }
1507
1508    public void unmuteConversation(final Conversation conversation) {
1509        conversation.setMutedTill(0);
1510        this.activity.xmppConnectionService.updateConversation(conversation);
1511        this.activity.onConversationsListItemUpdated();
1512        refresh();
1513        getActivity().invalidateOptionsMenu();
1514    }
1515
1516    protected void selectPresenceToAttachFile(final int attachmentChoice) {
1517        final Account account = conversation.getAccount();
1518        final PresenceSelector.OnPresenceSelected callback = () -> {
1519            Intent intent = new Intent();
1520            boolean chooser = false;
1521            switch (attachmentChoice) {
1522                case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1523                    intent.setAction(Intent.ACTION_GET_CONTENT);
1524                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1525                        intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
1526                    }
1527                    intent.setType("image/*");
1528                    chooser = true;
1529                    break;
1530                case ATTACHMENT_CHOICE_RECORD_VIDEO:
1531                    intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
1532                    break;
1533                case ATTACHMENT_CHOICE_TAKE_PHOTO:
1534                    final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
1535                    pendingTakePhotoUri.push(uri);
1536                    intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
1537                    intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
1538                    intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1539                    intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
1540                    break;
1541                case ATTACHMENT_CHOICE_CHOOSE_FILE:
1542                    chooser = true;
1543                    intent.setType("*/*");
1544                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1545                        intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
1546                    }
1547                    intent.addCategory(Intent.CATEGORY_OPENABLE);
1548                    intent.setAction(Intent.ACTION_GET_CONTENT);
1549                    break;
1550                case ATTACHMENT_CHOICE_RECORD_VOICE:
1551                    intent = new Intent(getActivity(), RecordingActivity.class);
1552                    break;
1553                case ATTACHMENT_CHOICE_LOCATION:
1554                    intent = GeoHelper.getFetchIntent(activity);
1555                    break;
1556            }
1557            if (intent.resolveActivity(getActivity().getPackageManager()) != null) {
1558                if (chooser) {
1559                    startActivityForResult(
1560                            Intent.createChooser(intent, getString(R.string.perform_action_with)),
1561                            attachmentChoice);
1562                } else {
1563                    startActivityForResult(intent, attachmentChoice);
1564                }
1565            }
1566        };
1567        if (account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) {
1568            conversation.setNextCounterpart(null);
1569            callback.onPresenceSelected();
1570        } else {
1571            activity.selectPresence(conversation, callback);
1572        }
1573    }
1574
1575    @Override
1576    public void onResume() {
1577        super.onResume();
1578        binding.messagesView.post(this::fireReadEvent);
1579    }
1580
1581    private void fireReadEvent() {
1582        if (activity != null && this.conversation != null) {
1583            String uuid = getLastVisibleMessageUuid();
1584            if (uuid != null) {
1585                activity.onConversationRead(this.conversation, uuid);
1586            }
1587        }
1588    }
1589
1590    private String getLastVisibleMessageUuid() {
1591        if (binding == null) {
1592            return null;
1593        }
1594        synchronized (this.messageList) {
1595            int pos = binding.messagesView.getLastVisiblePosition();
1596            if (pos >= 0) {
1597                Message message = null;
1598                for (int i = pos; i >= 0; --i) {
1599                    try {
1600                        message = (Message) binding.messagesView.getItemAtPosition(i);
1601                    } catch (IndexOutOfBoundsException e) {
1602                        //should not happen if we synchronize properly. however if that fails we just gonna try item -1
1603                        continue;
1604                    }
1605                    if (message.getType() != Message.TYPE_STATUS) {
1606                        break;
1607                    }
1608                }
1609                if (message != null) {
1610                    while (message.next() != null && message.next().wasMergedIntoPrevious()) {
1611                        message = message.next();
1612                    }
1613                    return message.getUuid();
1614                }
1615            }
1616        }
1617        return null;
1618    }
1619
1620    private void openWith(final Message message) {
1621        if (message.isGeoUri()) {
1622            GeoHelper.view(getActivity(),message);
1623        } else {
1624            final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1625            ViewUtil.view(activity, file);
1626        }
1627    }
1628
1629    private void showErrorMessage(final Message message) {
1630        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1631        builder.setTitle(R.string.error_message);
1632        final String errorMessage = message.getErrorMessage();
1633        final String[] errorMessageParts = errorMessage == null ? new String[0] : errorMessage.split("\\u001f");
1634        final String displayError;
1635        if (errorMessageParts.length == 2) {
1636            displayError = errorMessageParts[1];
1637        } else {
1638            displayError = errorMessage;
1639        }
1640        builder.setMessage(displayError);
1641        builder.setNegativeButton(R.string.copy_to_clipboard, (dialog, which) -> {
1642            activity.copyTextToClipboard(displayError,R.string.error_message);
1643            Toast.makeText(activity,R.string.error_message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1644        });
1645        builder.setPositiveButton(R.string.confirm, null);
1646        builder.create().show();
1647    }
1648
1649
1650    private void deleteFile(final Message message) {
1651        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1652        builder.setNegativeButton(R.string.cancel, null);
1653        builder.setTitle(R.string.delete_file_dialog);
1654        builder.setMessage(R.string.delete_file_dialog_msg);
1655        builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
1656            if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
1657                message.setDeleted(true);
1658                activity.xmppConnectionService.updateMessage(message, false);
1659                activity.onConversationsListItemUpdated();
1660                refresh();
1661            }
1662        });
1663        builder.create().show();
1664
1665    }
1666
1667    private void resendMessage(final Message message) {
1668        if (message.isFileOrImage()) {
1669            if (!(message.getConversation() instanceof Conversation)) {
1670                return;
1671            }
1672            final Conversation conversation = (Conversation) message.getConversation();
1673            final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1674            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
1675                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
1676                if (!message.hasFileOnRemoteHost()
1677                        && xmppConnection != null
1678                        && conversation.getMode() == Conversational.MODE_SINGLE
1679                        && !xmppConnection.getFeatures().httpUpload(message.getFileParams().size)) {
1680                    activity.selectPresence(conversation, () -> {
1681                        message.setCounterpart(conversation.getNextCounterpart());
1682                        activity.xmppConnectionService.resendFailedMessages(message);
1683                        new Handler().post(() -> {
1684                            int size = messageList.size();
1685                            this.binding.messagesView.setSelection(size - 1);
1686                        });
1687                    });
1688                    return;
1689                }
1690            } else if (!Compatibility.hasStoragePermission(getActivity())) {
1691                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
1692                return;
1693            } else {
1694                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
1695                message.setDeleted(true);
1696                activity.xmppConnectionService.updateMessage(message, false);
1697                activity.onConversationsListItemUpdated();
1698                refresh();
1699                return;
1700            }
1701        }
1702        activity.xmppConnectionService.resendFailedMessages(message);
1703        new Handler().post(() -> {
1704            int size = messageList.size();
1705            this.binding.messagesView.setSelection(size - 1);
1706        });
1707    }
1708
1709    private void cancelTransmission(Message message) {
1710        Transferable transferable = message.getTransferable();
1711        if (transferable != null) {
1712            transferable.cancel();
1713        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
1714            activity.xmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
1715        }
1716    }
1717
1718    private void retryDecryption(Message message) {
1719        message.setEncryption(Message.ENCRYPTION_PGP);
1720        activity.onConversationsListItemUpdated();
1721        refresh();
1722        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
1723    }
1724
1725    public void privateMessageWith(final Jid counterpart) {
1726        if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1727            activity.xmppConnectionService.sendChatState(conversation);
1728        }
1729        this.binding.textinput.setText("");
1730        this.conversation.setNextCounterpart(counterpart);
1731        updateChatMsgHint();
1732        updateSendButton();
1733        updateEditablity();
1734    }
1735
1736    private void correctMessage(Message message) {
1737        while (message.mergeable(message.next())) {
1738            message = message.next();
1739        }
1740        this.conversation.setCorrectingMessage(message);
1741        final Editable editable = binding.textinput.getText();
1742        this.conversation.setDraftMessage(editable.toString());
1743        this.binding.textinput.setText("");
1744        this.binding.textinput.append(message.getBody());
1745
1746    }
1747
1748    private void highlightInConference(String nick) {
1749        final Editable editable = this.binding.textinput.getText();
1750        String oldString = editable.toString().trim();
1751        final int pos = this.binding.textinput.getSelectionStart();
1752        if (oldString.isEmpty() || pos == 0) {
1753            editable.insert(0, nick + ": ");
1754        } else {
1755            final char before = editable.charAt(pos - 1);
1756            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
1757            if (before == '\n') {
1758                editable.insert(pos, nick + ": ");
1759            } else {
1760                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
1761                    if (NickValidityChecker.check(conversation, Arrays.asList(editable.subSequence(0, pos - 2).toString().split(", ")))) {
1762                        editable.insert(pos - 2, ", " + nick);
1763                        return;
1764                    }
1765                }
1766                editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " "));
1767                if (Character.isWhitespace(after)) {
1768                    this.binding.textinput.setSelection(this.binding.textinput.getSelectionStart() + 1);
1769                }
1770            }
1771        }
1772    }
1773
1774    @Override
1775    public void startActivityForResult(Intent intent, int requestCode) {
1776        final Activity activity = getActivity();
1777        if (activity instanceof ConversationsActivity) {
1778            ((ConversationsActivity) activity).clearPendingViewIntent();
1779        }
1780        super.startActivityForResult(intent, requestCode);
1781    }
1782
1783    @Override
1784    public void onSaveInstanceState(Bundle outState) {
1785        super.onSaveInstanceState(outState);
1786        if (conversation != null) {
1787            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
1788            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
1789            final Uri uri = pendingTakePhotoUri.peek();
1790            if (uri != null) {
1791                outState.putString(STATE_PHOTO_URI, uri.toString());
1792            }
1793            final ScrollState scrollState = getScrollPosition();
1794            if (scrollState != null) {
1795                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
1796            }
1797            final ArrayList<Attachment> attachments = mediaPreviewAdapter == null ? new ArrayList<>() : mediaPreviewAdapter.getAttachments();
1798            if (attachments.size() > 0) {
1799                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
1800            }
1801        }
1802    }
1803
1804    @Override
1805    public void onActivityCreated(Bundle savedInstanceState) {
1806        super.onActivityCreated(savedInstanceState);
1807        if (savedInstanceState == null) {
1808            return;
1809        }
1810        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
1811        ArrayList<Attachment> attachments = savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
1812        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
1813        if (uuid != null) {
1814            QuickLoader.set(uuid);
1815            this.pendingConversationsUuid.push(uuid);
1816            if (attachments != null && attachments.size() > 0) {
1817                this.pendingMediaPreviews.push(attachments);
1818            }
1819            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
1820            if (takePhotoUri != null) {
1821                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
1822            }
1823            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
1824        }
1825    }
1826
1827    @Override
1828    public void onStart() {
1829        super.onStart();
1830        if (this.reInitRequiredOnStart && this.conversation != null) {
1831            final Bundle extras = pendingExtras.pop();
1832            reInit(this.conversation, extras != null);
1833            if (extras != null) {
1834                processExtras(extras);
1835            }
1836        } else if (conversation == null && activity != null && activity.xmppConnectionService != null) {
1837            final String uuid = pendingConversationsUuid.pop();
1838            Log.d(Config.LOGTAG, "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid=" + uuid);
1839            if (uuid != null) {
1840                findAndReInitByUuidOrArchive(uuid);
1841            }
1842        }
1843    }
1844
1845    @Override
1846    public void onStop() {
1847        super.onStop();
1848        final Activity activity = getActivity();
1849        messageListAdapter.unregisterListenerInAudioPlayer();
1850        if (activity == null || !activity.isChangingConfigurations()) {
1851            hideSoftKeyboard(activity);
1852            messageListAdapter.stopAudioPlayer();
1853        }
1854        if (this.conversation != null) {
1855            final String msg = this.binding.textinput.getText().toString();
1856            storeNextMessage(msg);
1857            updateChatState(this.conversation, msg);
1858            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
1859        }
1860        this.reInitRequiredOnStart = true;
1861    }
1862
1863    private void updateChatState(final Conversation conversation, final String msg) {
1864        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED;
1865        Account.State status = conversation.getAccount().getStatus();
1866        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
1867            activity.xmppConnectionService.sendChatState(conversation);
1868        }
1869    }
1870
1871    private void saveMessageDraftStopAudioPlayer() {
1872        final Conversation previousConversation = this.conversation;
1873        if (this.activity == null || this.binding == null || previousConversation == null) {
1874            return;
1875        }
1876        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
1877        final String msg = this.binding.textinput.getText().toString();
1878        storeNextMessage(msg);
1879        updateChatState(this.conversation, msg);
1880        messageListAdapter.stopAudioPlayer();
1881        mediaPreviewAdapter.clearPreviews();
1882        toggleInputMethod();
1883    }
1884
1885    public void reInit(Conversation conversation, Bundle extras) {
1886        QuickLoader.set(conversation.getUuid());
1887        this.saveMessageDraftStopAudioPlayer();
1888        this.clearPending();
1889        if (this.reInit(conversation, extras != null)) {
1890            if (extras != null) {
1891                processExtras(extras);
1892            }
1893            this.reInitRequiredOnStart = false;
1894        } else {
1895            this.reInitRequiredOnStart = true;
1896            pendingExtras.push(extras);
1897        }
1898        resetUnreadMessagesCount();
1899    }
1900
1901    private void reInit(Conversation conversation) {
1902        reInit(conversation, false);
1903    }
1904
1905    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
1906        if (conversation == null) {
1907            return false;
1908        }
1909        this.conversation = conversation;
1910        //once we set the conversation all is good and it will automatically do the right thing in onStart()
1911        if (this.activity == null || this.binding == null) {
1912            return false;
1913        }
1914
1915        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
1916            activity.onConversationArchived(this.conversation);
1917            return false;
1918        }
1919
1920        stopScrolling();
1921        Log.d(Config.LOGTAG, "reInit(hasExtras=" + Boolean.toString(hasExtras) + ")");
1922
1923        if (this.conversation.isRead() && hasExtras) {
1924            Log.d(Config.LOGTAG, "trimming conversation");
1925            this.conversation.trim();
1926        }
1927
1928        setupIme();
1929
1930        final boolean scrolledToBottomAndNoPending = this.scrolledToBottom() && pendingScrollState.peek() == null;
1931
1932        this.binding.textSendButton.setContentDescription(activity.getString(R.string.send_message_to_x, conversation.getName()));
1933        this.binding.textinput.setKeyboardListener(null);
1934        this.binding.textinput.setText("");
1935        final boolean participating = conversation.getMode() == Conversational.MODE_SINGLE || conversation.getMucOptions().participating();
1936        if (participating) {
1937            this.binding.textinput.append(this.conversation.getNextMessage());
1938        }
1939        this.binding.textinput.setKeyboardListener(this);
1940        messageListAdapter.updatePreferences();
1941        refresh(false);
1942        this.conversation.messagesLoaded.set(true);
1943        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + Boolean.toString(scrolledToBottomAndNoPending));
1944
1945        if (hasExtras || scrolledToBottomAndNoPending) {
1946            resetUnreadMessagesCount();
1947            synchronized (this.messageList) {
1948                Log.d(Config.LOGTAG, "jump to first unread message");
1949                final Message first = conversation.getFirstUnreadMessage();
1950                final int bottom = Math.max(0, this.messageList.size() - 1);
1951                final int pos;
1952                final boolean jumpToBottom;
1953                if (first == null) {
1954                    pos = bottom;
1955                    jumpToBottom = true;
1956                } else {
1957                    int i = getIndexOf(first.getUuid(), this.messageList);
1958                    pos = i < 0 ? bottom : i;
1959                    jumpToBottom = false;
1960                }
1961                setSelection(pos, jumpToBottom);
1962            }
1963        }
1964
1965
1966        this.binding.messagesView.post(this::fireReadEvent);
1967        //TODO if we only do this when this fragment is running on main it won't *bing* in tablet layout which might be unnecessary since we can *see* it
1968        activity.xmppConnectionService.getNotificationService().setOpenConversation(this.conversation);
1969        return true;
1970    }
1971
1972    private void resetUnreadMessagesCount() {
1973        lastMessageUuid = null;
1974        hideUnreadMessagesCount();
1975    }
1976
1977    private void hideUnreadMessagesCount() {
1978        if (this.binding == null) {
1979            return;
1980        }
1981        this.binding.scrollToBottomButton.setEnabled(false);
1982        this.binding.scrollToBottomButton.hide();
1983        this.binding.unreadCountCustomView.setVisibility(View.GONE);
1984    }
1985
1986    private void setSelection(int pos, boolean jumpToBottom) {
1987        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
1988        this.binding.messagesView.post(() -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
1989        this.binding.messagesView.post(this::fireReadEvent);
1990    }
1991
1992
1993    private boolean scrolledToBottom() {
1994        return this.binding != null && scrolledToBottom(this.binding.messagesView);
1995    }
1996
1997    private void processExtras(Bundle extras) {
1998        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
1999        final String text = extras.getString(Intent.EXTRA_TEXT);
2000        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
2001        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
2002        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
2003        final boolean doNotAppend = extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
2004        final List<Uri> uris = extractUris(extras);
2005        if (uris != null && uris.size() > 0) {
2006            final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
2007            mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), cleanedUris));
2008            toggleInputMethod();
2009            return;
2010        }
2011        if (nick != null) {
2012            if (pm) {
2013                Jid jid = conversation.getJid();
2014                try {
2015                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
2016                    privateMessageWith(next);
2017                } catch (final IllegalArgumentException ignored) {
2018                    //do nothing
2019                }
2020            } else {
2021                final MucOptions mucOptions = conversation.getMucOptions();
2022                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
2023                    highlightInConference(nick);
2024                }
2025            }
2026        } else {
2027            if (text != null && asQuote) {
2028                quoteText(text);
2029            } else {
2030                appendText(text, doNotAppend);
2031            }
2032        }
2033        final Message message = downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
2034        if (message != null) {
2035            startDownloadable(message);
2036        }
2037    }
2038
2039    private List<Uri> extractUris(Bundle extras) {
2040        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
2041        if (uris != null) {
2042            return uris;
2043        }
2044        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
2045        if (uri != null) {
2046            return Collections.singletonList(uri);
2047        } else {
2048            return null;
2049        }
2050    }
2051
2052    private List<Uri> cleanUris(List<Uri> uris) {
2053        Iterator<Uri> iterator = uris.iterator();
2054        while (iterator.hasNext()) {
2055            final Uri uri = iterator.next();
2056            if (FileBackend.weOwnFile(getActivity(), uri)) {
2057                iterator.remove();
2058                Toast.makeText(getActivity(), R.string.security_violation_not_attaching_file, Toast.LENGTH_SHORT).show();
2059            }
2060        }
2061        return uris;
2062    }
2063
2064    private boolean showBlockSubmenu(View view) {
2065        final Jid jid = conversation.getJid();
2066        final boolean showReject = !conversation.isWithStranger() && conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2067        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
2068        popupMenu.inflate(R.menu.block);
2069        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
2070        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
2071        popupMenu.setOnMenuItemClickListener(menuItem -> {
2072            Blockable blockable;
2073            switch (menuItem.getItemId()) {
2074                case R.id.reject:
2075                    activity.xmppConnectionService.stopPresenceUpdatesTo(conversation.getContact());
2076                    updateSnackBar(conversation);
2077                    return true;
2078                case R.id.block_domain:
2079                    blockable = conversation.getAccount().getRoster().getContact(Jid.ofDomain(jid.getDomain()));
2080                    break;
2081                default:
2082                    blockable = conversation;
2083            }
2084            BlockContactDialog.show(activity, blockable);
2085            return true;
2086        });
2087        popupMenu.show();
2088        return true;
2089    }
2090
2091    private void updateSnackBar(final Conversation conversation) {
2092        final Account account = conversation.getAccount();
2093        final XmppConnection connection = account.getXmppConnection();
2094        final int mode = conversation.getMode();
2095        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
2096        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2097            return;
2098        }
2099        if (account.getStatus() == Account.State.DISABLED) {
2100            showSnackbar(R.string.this_account_is_disabled, R.string.enable, this.mEnableAccountListener);
2101        } else if (conversation.isBlocked()) {
2102            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
2103        } else if (contact != null && !contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2104            showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener, this.mLongPressBlockListener);
2105        } else if (contact != null && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2106            showSnackbar(R.string.contact_asks_for_presence_subscription, R.string.allow, this.mAllowPresenceSubscription, this.mLongPressBlockListener);
2107        } else if (mode == Conversation.MODE_MULTI
2108                && !conversation.getMucOptions().online()
2109                && account.getStatus() == Account.State.ONLINE) {
2110            switch (conversation.getMucOptions().getError()) {
2111                case NICK_IN_USE:
2112                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
2113                    break;
2114                case NO_RESPONSE:
2115                    showSnackbar(R.string.joining_conference, 0, null);
2116                    break;
2117                case SERVER_NOT_FOUND:
2118                    if (conversation.receivedMessagesCount() > 0) {
2119                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
2120                    } else {
2121                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
2122                    }
2123                    break;
2124                case REMOTE_SERVER_TIMEOUT:
2125                    if (conversation.receivedMessagesCount() > 0) {
2126                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
2127                    } else {
2128                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
2129                    }
2130                    break;
2131                case PASSWORD_REQUIRED:
2132                    showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword);
2133                    break;
2134                case BANNED:
2135                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
2136                    break;
2137                case MEMBERS_ONLY:
2138                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
2139                    break;
2140                case RESOURCE_CONSTRAINT:
2141                    showSnackbar(R.string.conference_resource_constraint, R.string.try_again, joinMuc);
2142                    break;
2143                case KICKED:
2144                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
2145                    break;
2146                case UNKNOWN:
2147                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
2148                    break;
2149                case INVALID_NICK:
2150                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
2151                case SHUTDOWN:
2152                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
2153                    break;
2154                case DESTROYED:
2155                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
2156                    break;
2157                case NON_ANONYMOUS:
2158                    showSnackbar(R.string.group_chat_will_make_your_jabber_id_public, R.string.join, acceptJoin);
2159                    break;
2160                default:
2161                    hideSnackbar();
2162                    break;
2163            }
2164        } else if (account.hasPendingPgpIntent(conversation)) {
2165            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
2166        } else if (connection != null
2167                && connection.getFeatures().blocking()
2168                && conversation.countMessages() != 0
2169                && !conversation.isBlocked()
2170                && conversation.isWithStranger()) {
2171            showSnackbar(R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
2172        } else {
2173            hideSnackbar();
2174        }
2175    }
2176
2177    @Override
2178    public void refresh() {
2179        if (this.binding == null) {
2180            Log.d(Config.LOGTAG, "ConversationFragment.refresh() skipped updated because view binding was null");
2181            return;
2182        }
2183        if (this.conversation != null && this.activity != null && this.activity.xmppConnectionService != null) {
2184            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2185                activity.onConversationArchived(this.conversation);
2186                return;
2187            }
2188        }
2189        this.refresh(true);
2190    }
2191
2192    private void refresh(boolean notifyConversationRead) {
2193        synchronized (this.messageList) {
2194            if (this.conversation != null) {
2195                conversation.populateWithMessages(this.messageList);
2196                updateSnackBar(conversation);
2197                updateStatusMessages();
2198                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
2199                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
2200                    binding.unreadCountCustomView.setUnreadCount(conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
2201                }
2202                this.messageListAdapter.notifyDataSetChanged();
2203                updateChatMsgHint();
2204                if (notifyConversationRead && activity != null) {
2205                    binding.messagesView.post(this::fireReadEvent);
2206                }
2207                updateSendButton();
2208                updateEditablity();
2209                activity.invalidateOptionsMenu();
2210            }
2211        }
2212    }
2213
2214    protected void messageSent() {
2215        mSendingPgpMessage.set(false);
2216        this.binding.textinput.setText("");
2217        if (conversation.setCorrectingMessage(null)) {
2218            this.binding.textinput.append(conversation.getDraftMessage());
2219            conversation.setDraftMessage(null);
2220        }
2221        storeNextMessage();
2222        updateChatMsgHint();
2223        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2224        final boolean prefScrollToBottom = p.getBoolean("scroll_to_bottom", activity.getResources().getBoolean(R.bool.scroll_to_bottom));
2225        if (prefScrollToBottom || scrolledToBottom()) {
2226            new Handler().post(() -> {
2227                int size = messageList.size();
2228                this.binding.messagesView.setSelection(size - 1);
2229            });
2230        }
2231    }
2232
2233    private boolean storeNextMessage() {
2234        return storeNextMessage(this.binding.textinput.getText().toString());
2235    }
2236
2237    private boolean storeNextMessage(String msg) {
2238        final boolean participating = conversation.getMode() == Conversational.MODE_SINGLE || conversation.getMucOptions().participating();
2239        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED && participating && this.conversation.setNextMessage(msg)) {
2240            this.activity.xmppConnectionService.updateConversation(this.conversation);
2241            return true;
2242        }
2243        return false;
2244    }
2245
2246    public void doneSendingPgpMessage() {
2247        mSendingPgpMessage.set(false);
2248    }
2249
2250    public long getMaxHttpUploadSize(Conversation conversation) {
2251        final XmppConnection connection = conversation.getAccount().getXmppConnection();
2252        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
2253    }
2254
2255    private void updateEditablity() {
2256        boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating() || this.conversation.getNextCounterpart() != null;
2257        this.binding.textinput.setFocusable(canWrite);
2258        this.binding.textinput.setFocusableInTouchMode(canWrite);
2259        this.binding.textSendButton.setEnabled(canWrite);
2260        this.binding.textinput.setCursorVisible(canWrite);
2261        this.binding.textinput.setEnabled(canWrite);
2262    }
2263
2264    public void updateSendButton() {
2265        boolean hasAttachments = mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
2266        boolean useSendButtonToIndicateStatus = PreferenceManager.getDefaultSharedPreferences(getActivity()).getBoolean("send_button_status", getResources().getBoolean(R.bool.send_button_status));
2267        final Conversation c = this.conversation;
2268        final Presence.Status status;
2269        final String text = this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
2270        final SendButtonAction action;
2271        if (hasAttachments) {
2272            action = SendButtonAction.TEXT;
2273        } else {
2274            action = SendButtonTool.getAction(getActivity(), c, text);
2275        }
2276        if (useSendButtonToIndicateStatus && c.getAccount().getStatus() == Account.State.ONLINE) {
2277            if (activity.xmppConnectionService != null && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
2278                status = Presence.Status.OFFLINE;
2279            } else if (c.getMode() == Conversation.MODE_SINGLE) {
2280                status = c.getContact().getShownStatus();
2281            } else {
2282                status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE;
2283            }
2284        } else {
2285            status = Presence.Status.OFFLINE;
2286        }
2287        this.binding.textSendButton.setTag(action);
2288        this.binding.textSendButton.setImageResource(SendButtonTool.getSendButtonImageResource(getActivity(), action, status));
2289    }
2290
2291    protected void updateDateSeparators() {
2292        synchronized (this.messageList) {
2293            DateSeparator.addAll(this.messageList);
2294        }
2295    }
2296
2297    protected void updateStatusMessages() {
2298        updateDateSeparators();
2299        synchronized (this.messageList) {
2300            if (showLoadMoreMessages(conversation)) {
2301                this.messageList.add(0, Message.createLoadMoreMessage(conversation));
2302            }
2303            if (conversation.getMode() == Conversation.MODE_SINGLE) {
2304                ChatState state = conversation.getIncomingChatState();
2305                if (state == ChatState.COMPOSING) {
2306                    this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
2307                } else if (state == ChatState.PAUSED) {
2308                    this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
2309                } else {
2310                    for (int i = this.messageList.size() - 1; i >= 0; --i) {
2311                        final Message message = this.messageList.get(i);
2312                        if (message.getType() != Message.TYPE_STATUS) {
2313                            if (message.getStatus() == Message.STATUS_RECEIVED) {
2314                                return;
2315                            } else {
2316                                if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
2317                                    this.messageList.add(i + 1,
2318                                            Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName())));
2319                                    return;
2320                                }
2321                            }
2322                        }
2323                    }
2324                }
2325            } else {
2326                final MucOptions mucOptions = conversation.getMucOptions();
2327                final List<MucOptions.User> allUsers = mucOptions.getUsers();
2328                final Set<ReadByMarker> addedMarkers = new HashSet<>();
2329                ChatState state = ChatState.COMPOSING;
2330                List<MucOptions.User> users = conversation.getMucOptions().getUsersWithChatState(state, 5);
2331                if (users.size() == 0) {
2332                    state = ChatState.PAUSED;
2333                    users = conversation.getMucOptions().getUsersWithChatState(state, 5);
2334                }
2335                if (mucOptions.isPrivateAndNonAnonymous()) {
2336                    for (int i = this.messageList.size() - 1; i >= 0; --i) {
2337                        final Set<ReadByMarker> markersForMessage = messageList.get(i).getReadByMarkers();
2338                        final List<MucOptions.User> shownMarkers = new ArrayList<>();
2339                        for (ReadByMarker marker : markersForMessage) {
2340                            if (!ReadByMarker.contains(marker, addedMarkers)) {
2341                                addedMarkers.add(marker); //may be put outside this condition. set should do dedup anyway
2342                                MucOptions.User user = mucOptions.findUser(marker);
2343                                if (user != null && !users.contains(user)) {
2344                                    shownMarkers.add(user);
2345                                }
2346                            }
2347                        }
2348                        final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
2349                        final Message statusMessage;
2350                        final int size = shownMarkers.size();
2351                        if (size > 1) {
2352                            final String body;
2353                            if (size <= 4) {
2354                                body = getString(R.string.contacts_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers));
2355                            } else if (ReadByMarker.allUsersRepresented(allUsers, markersForMessage, markerForSender)) {
2356                                body = getString(R.string.everyone_has_read_up_to_this_point);
2357                            } else {
2358                                body = getString(R.string.contacts_and_n_more_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers, 3), size - 3);
2359                            }
2360                            statusMessage = Message.createStatusMessage(conversation, body);
2361                            statusMessage.setCounterparts(shownMarkers);
2362                        } else if (size == 1) {
2363                            statusMessage = Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, UIHelper.getDisplayName(shownMarkers.get(0))));
2364                            statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
2365                            statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
2366                        } else {
2367                            statusMessage = null;
2368                        }
2369                        if (statusMessage != null) {
2370                            this.messageList.add(i + 1, statusMessage);
2371                        }
2372                        addedMarkers.add(markerForSender);
2373                        if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
2374                            break;
2375                        }
2376                    }
2377                }
2378                if (users.size() > 0) {
2379                    Message statusMessage;
2380                    if (users.size() == 1) {
2381                        MucOptions.User user = users.get(0);
2382                        int id = state == ChatState.COMPOSING ? R.string.contact_is_typing : R.string.contact_has_stopped_typing;
2383                        statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.getDisplayName(user)));
2384                        statusMessage.setTrueCounterpart(user.getRealJid());
2385                        statusMessage.setCounterpart(user.getFullJid());
2386                    } else {
2387                        int id = state == ChatState.COMPOSING ? R.string.contacts_are_typing : R.string.contacts_have_stopped_typing;
2388                        statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.concatNames(users)));
2389                        statusMessage.setCounterparts(users);
2390                    }
2391                    this.messageList.add(statusMessage);
2392                }
2393
2394            }
2395        }
2396    }
2397
2398    private void stopScrolling() {
2399        long now = SystemClock.uptimeMillis();
2400        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
2401        binding.messagesView.dispatchTouchEvent(cancel);
2402    }
2403
2404    private boolean showLoadMoreMessages(final Conversation c) {
2405        if (activity == null || activity.xmppConnectionService == null) {
2406            return false;
2407        }
2408        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
2409        final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService();
2410        return mam && (c.getLastClearHistory().getTimestamp() != 0 || (c.countMessages() == 0 && c.messagesLoaded.get() && c.hasMessagesLeftOnServer() && !service.queryInProgress(c)));
2411    }
2412
2413    private boolean hasMamSupport(final Conversation c) {
2414        if (c.getMode() == Conversation.MODE_SINGLE) {
2415            final XmppConnection connection = c.getAccount().getXmppConnection();
2416            return connection != null && connection.getFeatures().mam();
2417        } else {
2418            return c.getMucOptions().mamSupport();
2419        }
2420    }
2421
2422    protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) {
2423        showSnackbar(message, action, clickListener, null);
2424    }
2425
2426    protected void showSnackbar(final int message, final int action, final OnClickListener clickListener, final View.OnLongClickListener longClickListener) {
2427        this.binding.snackbar.setVisibility(View.VISIBLE);
2428        this.binding.snackbar.setOnClickListener(null);
2429        this.binding.snackbarMessage.setText(message);
2430        this.binding.snackbarMessage.setOnClickListener(null);
2431        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
2432        if (action != 0) {
2433            this.binding.snackbarAction.setText(action);
2434        }
2435        this.binding.snackbarAction.setOnClickListener(clickListener);
2436        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
2437    }
2438
2439    protected void hideSnackbar() {
2440        this.binding.snackbar.setVisibility(View.GONE);
2441    }
2442
2443    protected void sendMessage(Message message) {
2444        activity.xmppConnectionService.sendMessage(message);
2445        messageSent();
2446    }
2447
2448    protected void sendPgpMessage(final Message message) {
2449        final XmppConnectionService xmppService = activity.xmppConnectionService;
2450        final Contact contact = message.getConversation().getContact();
2451        if (!activity.hasPgp()) {
2452            activity.showInstallPgpDialog();
2453            return;
2454        }
2455        if (conversation.getAccount().getPgpSignature() == null) {
2456            activity.announcePgp(conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
2457            return;
2458        }
2459        if (!mSendingPgpMessage.compareAndSet(false, true)) {
2460            Log.d(Config.LOGTAG, "sending pgp message already in progress");
2461        }
2462        if (conversation.getMode() == Conversation.MODE_SINGLE) {
2463            if (contact.getPgpKeyId() != 0) {
2464                xmppService.getPgpEngine().hasKey(contact,
2465                        new UiCallback<Contact>() {
2466
2467                            @Override
2468                            public void userInputRequried(PendingIntent pi, Contact contact) {
2469                                startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
2470                            }
2471
2472                            @Override
2473                            public void success(Contact contact) {
2474                                encryptTextMessage(message);
2475                            }
2476
2477                            @Override
2478                            public void error(int error, Contact contact) {
2479                                activity.runOnUiThread(() -> Toast.makeText(activity,
2480                                        R.string.unable_to_connect_to_keychain,
2481                                        Toast.LENGTH_SHORT
2482                                ).show());
2483                                mSendingPgpMessage.set(false);
2484                            }
2485                        });
2486
2487            } else {
2488                showNoPGPKeyDialog(false, (dialog, which) -> {
2489                    conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2490                    xmppService.updateConversation(conversation);
2491                    message.setEncryption(Message.ENCRYPTION_NONE);
2492                    xmppService.sendMessage(message);
2493                    messageSent();
2494                });
2495            }
2496        } else {
2497            if (conversation.getMucOptions().pgpKeysInUse()) {
2498                if (!conversation.getMucOptions().everybodyHasKeys()) {
2499                    Toast warning = Toast
2500                            .makeText(getActivity(),
2501                                    R.string.missing_public_keys,
2502                                    Toast.LENGTH_LONG);
2503                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2504                    warning.show();
2505                }
2506                encryptTextMessage(message);
2507            } else {
2508                showNoPGPKeyDialog(true, (dialog, which) -> {
2509                    conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2510                    message.setEncryption(Message.ENCRYPTION_NONE);
2511                    xmppService.updateConversation(conversation);
2512                    xmppService.sendMessage(message);
2513                    messageSent();
2514                });
2515            }
2516        }
2517    }
2518
2519    public void encryptTextMessage(Message message) {
2520        activity.xmppConnectionService.getPgpEngine().encrypt(message,
2521                new UiCallback<Message>() {
2522
2523                    @Override
2524                    public void userInputRequried(PendingIntent pi, Message message) {
2525                        startPendingIntent(pi, REQUEST_SEND_MESSAGE);
2526                    }
2527
2528                    @Override
2529                    public void success(Message message) {
2530                        //TODO the following two call can be made before the callback
2531                        getActivity().runOnUiThread(() -> messageSent());
2532                    }
2533
2534                    @Override
2535                    public void error(final int error, Message message) {
2536                        getActivity().runOnUiThread(() -> {
2537                            doneSendingPgpMessage();
2538                            Toast.makeText(getActivity(), error == 0 ? R.string.unable_to_connect_to_keychain : error, Toast.LENGTH_SHORT).show();
2539                        });
2540
2541                    }
2542                });
2543    }
2544
2545    public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) {
2546        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
2547        builder.setIconAttribute(android.R.attr.alertDialogIcon);
2548        if (plural) {
2549            builder.setTitle(getString(R.string.no_pgp_keys));
2550            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
2551        } else {
2552            builder.setTitle(getString(R.string.no_pgp_key));
2553            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
2554        }
2555        builder.setNegativeButton(getString(R.string.cancel), null);
2556        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
2557        builder.create().show();
2558    }
2559
2560    public void appendText(String text, final boolean doNotAppend) {
2561        if (text == null) {
2562            return;
2563        }
2564        final Editable editable = this.binding.textinput.getText();
2565        String previous = editable == null ? "" : editable.toString();
2566        if (doNotAppend && !TextUtils.isEmpty(previous)) {
2567            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG).show();
2568            return;
2569        }
2570        if (UIHelper.isLastLineQuote(previous)) {
2571            text = '\n' + text;
2572        } else if (previous.length() != 0 && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
2573            text = " " + text;
2574        }
2575        this.binding.textinput.append(text);
2576    }
2577
2578    @Override
2579    public boolean onEnterPressed() {
2580        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
2581        final boolean enterIsSend = p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
2582        if (enterIsSend) {
2583            sendMessage();
2584            return true;
2585        } else {
2586            return false;
2587        }
2588    }
2589
2590    @Override
2591    public void onTypingStarted() {
2592        final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
2593        if (service == null) {
2594            return;
2595        }
2596        Account.State status = conversation.getAccount().getStatus();
2597        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
2598            service.sendChatState(conversation);
2599        }
2600        runOnUiThread(this::updateSendButton);
2601    }
2602
2603    @Override
2604    public void onTypingStopped() {
2605        final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
2606        if (service == null) {
2607            return;
2608        }
2609        Account.State status = conversation.getAccount().getStatus();
2610        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
2611            service.sendChatState(conversation);
2612        }
2613    }
2614
2615    @Override
2616    public void onTextDeleted() {
2617        final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
2618        if (service == null) {
2619            return;
2620        }
2621        Account.State status = conversation.getAccount().getStatus();
2622        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
2623            service.sendChatState(conversation);
2624        }
2625        if (storeNextMessage()) {
2626            runOnUiThread(() -> activity.onConversationsListItemUpdated());
2627        }
2628        runOnUiThread(this::updateSendButton);
2629    }
2630
2631    @Override
2632    public void onTextChanged() {
2633        if (conversation != null && conversation.getCorrectingMessage() != null) {
2634            runOnUiThread(this::updateSendButton);
2635        }
2636    }
2637
2638    @Override
2639    public boolean onTabPressed(boolean repeated) {
2640        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
2641            return false;
2642        }
2643        if (repeated) {
2644            completionIndex++;
2645        } else {
2646            lastCompletionLength = 0;
2647            completionIndex = 0;
2648            final String content = this.binding.textinput.getText().toString();
2649            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
2650            int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1 : 0;
2651            firstWord = start == 0;
2652            incomplete = content.substring(start, lastCompletionCursor);
2653        }
2654        List<String> completions = new ArrayList<>();
2655        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
2656            String name = user.getName();
2657            if (name != null && name.startsWith(incomplete)) {
2658                completions.add(name + (firstWord ? ": " : " "));
2659            }
2660        }
2661        Collections.sort(completions);
2662        if (completions.size() > completionIndex) {
2663            String completion = completions.get(completionIndex).substring(incomplete.length());
2664            this.binding.textinput.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
2665            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
2666            lastCompletionLength = completion.length();
2667        } else {
2668            completionIndex = -1;
2669            this.binding.textinput.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
2670            lastCompletionLength = 0;
2671        }
2672        return true;
2673    }
2674
2675    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
2676        try {
2677            getActivity().startIntentSenderForResult(pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
2678        } catch (final SendIntentException ignored) {
2679        }
2680    }
2681
2682    @Override
2683    public void onBackendConnected() {
2684        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
2685        String uuid = pendingConversationsUuid.pop();
2686        if (uuid != null) {
2687            if (!findAndReInitByUuidOrArchive(uuid)) {
2688                return;
2689            }
2690        } else {
2691            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
2692                clearPending();
2693                activity.onConversationArchived(conversation);
2694                return;
2695            }
2696        }
2697        ActivityResult activityResult = postponedActivityResult.pop();
2698        if (activityResult != null) {
2699            handleActivityResult(activityResult);
2700        }
2701        clearPending();
2702    }
2703
2704    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
2705        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
2706        if (conversation == null) {
2707            clearPending();
2708            activity.onConversationArchived(null);
2709            return false;
2710        }
2711        reInit(conversation);
2712        ScrollState scrollState = pendingScrollState.pop();
2713        String lastMessageUuid = pendingLastMessageUuid.pop();
2714        List<Attachment> attachments = pendingMediaPreviews.pop();
2715        if (scrollState != null) {
2716            setScrollPosition(scrollState, lastMessageUuid);
2717        }
2718        if (attachments != null && attachments.size() > 0) {
2719            Log.d(Config.LOGTAG, "had attachments on restore");
2720            mediaPreviewAdapter.addMediaPreviews(attachments);
2721            toggleInputMethod();
2722        }
2723        return true;
2724    }
2725
2726    private void clearPending() {
2727        if (postponedActivityResult.clear()) {
2728            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
2729        }
2730        if (pendingScrollState.clear()) {
2731            Log.e(Config.LOGTAG, "cleared scroll state");
2732        }
2733        if (pendingTakePhotoUri.clear()) {
2734            Log.e(Config.LOGTAG, "cleared pending photo uri");
2735        }
2736        if (pendingConversationsUuid.clear()) {
2737            Log.e(Config.LOGTAG,"cleared pending conversations uuid");
2738        }
2739        if (pendingMediaPreviews.clear()) {
2740            Log.e(Config.LOGTAG,"cleared pending media previews");
2741        }
2742    }
2743
2744    public Conversation getConversation() {
2745        return conversation;
2746    }
2747
2748    @Override
2749    public void onContactPictureLongClicked(View v, final Message message) {
2750        final String fingerprint;
2751        if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
2752            fingerprint = "pgp";
2753        } else {
2754            fingerprint = message.getFingerprint();
2755        }
2756        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
2757        final Contact contact = message.getContact();
2758        if (message.getStatus() <= Message.STATUS_RECEIVED && (contact == null  || !contact.isSelf())) {
2759            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
2760                final Jid cp = message.getCounterpart();
2761                if (cp == null || cp.isBareJid()) {
2762                    return;
2763                }
2764                final Jid tcp = message.getTrueCounterpart();
2765                final User userByRealJid = tcp != null ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp) : null;
2766                final User user = userByRealJid != null ? userByRealJid : conversation.getMucOptions().findUserByFullJid(cp);
2767                popupMenu.inflate(R.menu.muc_details_context);
2768                final Menu menu = popupMenu.getMenu();
2769                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(activity, menu, conversation, user);
2770                popupMenu.setOnMenuItemClickListener(menuItem -> MucDetailsContextMenuHelper.onContextItemSelected(menuItem, user, activity, fingerprint));
2771            } else {
2772                popupMenu.inflate(R.menu.one_on_one_context);
2773                popupMenu.setOnMenuItemClickListener(item -> {
2774                    switch (item.getItemId()) {
2775                        case R.id.action_contact_details:
2776                            activity.switchToContactDetails(message.getContact(), fingerprint);
2777                            break;
2778                        case R.id.action_show_qr_code:
2779                            activity.showQrCode("xmpp:" + message.getContact().getJid().asBareJid().toEscapedString());
2780                            break;
2781                    }
2782                    return true;
2783                });
2784            }
2785        } else {
2786            popupMenu.inflate(R.menu.account_context);
2787            final Menu menu = popupMenu.getMenu();
2788            menu.findItem(R.id.action_manage_accounts).setVisible(QuickConversationsService.isConversations());
2789            popupMenu.setOnMenuItemClickListener(item -> {
2790                switch (item.getItemId()) {
2791                    case R.id.action_show_qr_code:
2792                        activity.showQrCode(conversation.getAccount().getShareableUri());
2793                        break;
2794                    case R.id.action_account_details:
2795                        activity.switchToAccount(message.getConversation().getAccount(), fingerprint);
2796                        break;
2797                    case R.id.action_manage_accounts:
2798                        AccountUtils.launchManageAccounts(activity);
2799                        break;
2800                }
2801                return true;
2802            });
2803        }
2804        popupMenu.show();
2805    }
2806
2807    @Override
2808    public void onContactPictureClicked(Message message) {
2809        String fingerprint;
2810        if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
2811            fingerprint = "pgp";
2812        } else {
2813            fingerprint = message.getFingerprint();
2814        }
2815        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
2816        if (received) {
2817            if (message.getConversation() instanceof Conversation && message.getConversation().getMode() == Conversation.MODE_MULTI) {
2818                Jid tcp = message.getTrueCounterpart();
2819                Jid user = message.getCounterpart();
2820                if (user != null && !user.isBareJid()) {
2821                    final MucOptions mucOptions = ((Conversation) message.getConversation()).getMucOptions();
2822                    if (mucOptions.participating() || ((Conversation) message.getConversation()).getNextCounterpart() != null) {
2823                        if (!mucOptions.isUserInRoom(user) && mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid()) == null) {
2824                            Toast.makeText(getActivity(), activity.getString(R.string.user_has_left_conference, user.getResource()), Toast.LENGTH_SHORT).show();
2825                        }
2826                        highlightInConference(user.getResource());
2827                    } else {
2828                        Toast.makeText(getActivity(), R.string.you_are_not_participating, Toast.LENGTH_SHORT).show();
2829                    }
2830                }
2831                return;
2832            } else {
2833                if (!message.getContact().isSelf()) {
2834                    activity.switchToContactDetails(message.getContact(), fingerprint);
2835                    return;
2836                }
2837            }
2838        }
2839        activity.switchToAccount(message.getConversation().getAccount(), fingerprint);
2840    }
2841}