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.textinput.setHint(R.string.send_corrected_message);
 782        } else if (multi && conversation.getNextCounterpart() != null) {
 783            this.binding.textinput.setHint(getString(
 784                    R.string.send_private_message_to,
 785                    conversation.getNextCounterpart().getResource()));
 786        } else if (multi && !conversation.getMucOptions().participating()) {
 787            this.binding.textinput.setHint(R.string.you_are_not_participating);
 788        } else {
 789            this.binding.textinput.setHint(UIHelper.getMessageHint(getActivity(), conversation));
 790            getActivity().invalidateOptionsMenu();
 791        }
 792    }
 793
 794    public void setupIme() {
 795        this.binding.textinput.refreshIme();
 796    }
 797
 798    private void handleActivityResult(ActivityResult activityResult) {
 799        if (activityResult.resultCode == Activity.RESULT_OK) {
 800            handlePositiveActivityResult(activityResult.requestCode, activityResult.data);
 801        } else {
 802            handleNegativeActivityResult(activityResult.requestCode);
 803        }
 804    }
 805
 806    private void handlePositiveActivityResult(int requestCode, final Intent data) {
 807        switch (requestCode) {
 808            case REQUEST_TRUST_KEYS_TEXT:
 809                sendMessage();
 810                break;
 811            case REQUEST_TRUST_KEYS_ATTACHMENTS:
 812                commitAttachments();
 813                break;
 814            case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 815                final List<Attachment> imageUris = Attachment.extractAttachments(getActivity(), data, Attachment.Type.IMAGE);
 816                mediaPreviewAdapter.addMediaPreviews(imageUris);
 817                toggleInputMethod();
 818                break;
 819            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 820                final Uri takePhotoUri = pendingTakePhotoUri.pop();
 821                if (takePhotoUri != null) {
 822                    mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), takePhotoUri, Attachment.Type.IMAGE));
 823                    toggleInputMethod();
 824                } else {
 825                    Log.d(Config.LOGTAG, "lost take photo uri. unable to to attach");
 826                }
 827                break;
 828            case ATTACHMENT_CHOICE_CHOOSE_FILE:
 829            case ATTACHMENT_CHOICE_RECORD_VIDEO:
 830            case ATTACHMENT_CHOICE_RECORD_VOICE:
 831                final Attachment.Type type = requestCode == ATTACHMENT_CHOICE_RECORD_VOICE ? Attachment.Type.RECORDING : Attachment.Type.FILE;
 832                final List<Attachment> fileUris = Attachment.extractAttachments(getActivity(), data, type);
 833                mediaPreviewAdapter.addMediaPreviews(fileUris);
 834                toggleInputMethod();
 835                break;
 836            case ATTACHMENT_CHOICE_LOCATION:
 837                double latitude = data.getDoubleExtra("latitude", 0);
 838                double longitude = data.getDoubleExtra("longitude", 0);
 839                Uri geo = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
 840                mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), geo, Attachment.Type.LOCATION));
 841                toggleInputMethod();
 842                break;
 843            case REQUEST_INVITE_TO_CONVERSATION:
 844                XmppActivity.ConferenceInvite invite = XmppActivity.ConferenceInvite.parse(data);
 845                if (invite != null) {
 846                    if (invite.execute(activity)) {
 847                        activity.mToast = Toast.makeText(activity, R.string.creating_conference, Toast.LENGTH_LONG);
 848                        activity.mToast.show();
 849                    }
 850                }
 851                break;
 852        }
 853    }
 854
 855    private void commitAttachments() {
 856        if (!hasPermissions(REQUEST_COMMIT_ATTACHMENTS, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
 857            return;
 858        }
 859        if (conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL && trustKeysIfNeeded(REQUEST_TRUST_KEYS_ATTACHMENTS)) {
 860            return;
 861        }
 862        final List<Attachment> attachments = mediaPreviewAdapter.getAttachments();
 863        final PresenceSelector.OnPresenceSelected callback = () -> {
 864            for (Iterator<Attachment> i = attachments.iterator(); i.hasNext(); i.remove()) {
 865                final Attachment attachment = i.next();
 866                if (attachment.getType() == Attachment.Type.LOCATION) {
 867                    attachLocationToConversation(conversation, attachment.getUri());
 868                } else if (attachment.getType() == Attachment.Type.IMAGE) {
 869                    Log.d(Config.LOGTAG, "ConversationsActivity.commitAttachments() - attaching image to conversations. CHOOSE_IMAGE");
 870                    attachImageToConversation(conversation, attachment.getUri());
 871                } else {
 872                    Log.d(Config.LOGTAG, "ConversationsActivity.commitAttachments() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE/RECORD_VIDEO");
 873                    attachFileToConversation(conversation, attachment.getUri(), attachment.getMime());
 874                }
 875            }
 876            mediaPreviewAdapter.notifyDataSetChanged();
 877            toggleInputMethod();
 878        };
 879        if (conversation == null || conversation.getMode() == Conversation.MODE_MULTI || FileBackend.allFilesUnderSize(getActivity(), attachments, getMaxHttpUploadSize(conversation))) {
 880            callback.onPresenceSelected();
 881        } else {
 882            activity.selectPresence(conversation, callback);
 883        }
 884    }
 885
 886    public void toggleInputMethod() {
 887        boolean hasAttachments = mediaPreviewAdapter.hasAttachments();
 888        binding.textinput.setVisibility(hasAttachments ? View.GONE : View.VISIBLE);
 889        binding.mediaPreview.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
 890        updateSendButton();
 891    }
 892
 893    private void handleNegativeActivityResult(int requestCode) {
 894        switch (requestCode) {
 895            case ATTACHMENT_CHOICE_TAKE_PHOTO:
 896                if (pendingTakePhotoUri.clear()) {
 897                    Log.d(Config.LOGTAG, "cleared pending photo uri after negative activity result");
 898                }
 899                break;
 900        }
 901    }
 902
 903    @Override
 904    public void onActivityResult(int requestCode, int resultCode, final Intent data) {
 905        super.onActivityResult(requestCode, resultCode, data);
 906        ActivityResult activityResult = ActivityResult.of(requestCode, resultCode, data);
 907        if (activity != null && activity.xmppConnectionService != null) {
 908            handleActivityResult(activityResult);
 909        } else {
 910            this.postponedActivityResult.push(activityResult);
 911        }
 912    }
 913
 914    public void unblockConversation(final Blockable conversation) {
 915        activity.xmppConnectionService.sendUnblockRequest(conversation);
 916    }
 917
 918    @Override
 919    public void onAttach(Activity activity) {
 920        super.onAttach(activity);
 921        Log.d(Config.LOGTAG, "ConversationFragment.onAttach()");
 922        if (activity instanceof ConversationsActivity) {
 923            this.activity = (ConversationsActivity) activity;
 924        } else {
 925            throw new IllegalStateException("Trying to attach fragment to activity that is not the ConversationsActivity");
 926        }
 927    }
 928
 929    @Override
 930    public void onDetach() {
 931        super.onDetach();
 932        this.activity = null; //TODO maybe not a good idea since some callbacks really need it
 933    }
 934
 935    @Override
 936    public void onCreate(Bundle savedInstanceState) {
 937        super.onCreate(savedInstanceState);
 938        setHasOptionsMenu(true);
 939    }
 940
 941    @Override
 942    public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
 943        menuInflater.inflate(R.menu.fragment_conversation, menu);
 944        final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 945        final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 946        final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 947        final MenuItem menuMute = menu.findItem(R.id.action_mute);
 948        final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 949
 950
 951        if (conversation != null) {
 952            if (conversation.getMode() == Conversation.MODE_MULTI) {
 953                menuContactDetails.setVisible(false);
 954                menuInviteContact.setVisible(conversation.getMucOptions().canInvite());
 955                menuMucDetails.setTitle(conversation.getMucOptions().isPrivateAndNonAnonymous() ? R.string.action_muc_details : R.string.channel_details);
 956            } else {
 957                menuContactDetails.setVisible(!this.conversation.withSelf());
 958                menuMucDetails.setVisible(false);
 959                final XmppConnectionService service = activity.xmppConnectionService;
 960                menuInviteContact.setVisible(service != null && service.findConferenceServer(conversation.getAccount()) != null);
 961            }
 962            if (conversation.isMuted()) {
 963                menuMute.setVisible(false);
 964            } else {
 965                menuUnmute.setVisible(false);
 966            }
 967            ConversationMenuConfigurator.configureAttachmentMenu(conversation, menu);
 968            ConversationMenuConfigurator.configureEncryptionMenu(conversation, menu);
 969        }
 970        super.onCreateOptionsMenu(menu, menuInflater);
 971    }
 972
 973    @Override
 974    public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 975        this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversation, container, false);
 976        binding.getRoot().setOnClickListener(null); //TODO why the fuck did we do this?
 977
 978        binding.textinput.addTextChangedListener(new StylingHelper.MessageEditorStyler(binding.textinput));
 979
 980        binding.textinput.setOnEditorActionListener(mEditorActionListener);
 981        binding.textinput.setRichContentListener(new String[]{"image/*"}, mEditorContentListener);
 982
 983        binding.textSendButton.setOnClickListener(this.mSendButtonListener);
 984
 985        binding.scrollToBottomButton.setOnClickListener(this.mScrollButtonListener);
 986        binding.messagesView.setOnScrollListener(mOnScrollListener);
 987        binding.messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
 988        mediaPreviewAdapter = new MediaPreviewAdapter(this);
 989        binding.mediaPreview.setAdapter(mediaPreviewAdapter);
 990        messageListAdapter = new MessageAdapter((XmppActivity) getActivity(), this.messageList);
 991        messageListAdapter.setOnContactPictureClicked(this);
 992        messageListAdapter.setOnContactPictureLongClicked(this);
 993        messageListAdapter.setOnQuoteListener(this::quoteText);
 994        binding.messagesView.setAdapter(messageListAdapter);
 995
 996        registerForContextMenu(binding.messagesView);
 997
 998        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 999            this.binding.textinput.setCustomInsertionActionModeCallback(new EditMessageActionModeCallback(this.binding.textinput));
1000        }
1001
1002        return binding.getRoot();
1003    }
1004
1005    private void quoteText(String text) {
1006        if (binding.textinput.isEnabled()) {
1007            binding.textinput.insertAsQuote(text);
1008            binding.textinput.requestFocus();
1009            InputMethodManager inputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
1010            if (inputMethodManager != null) {
1011                inputMethodManager.showSoftInput(binding.textinput, InputMethodManager.SHOW_IMPLICIT);
1012            }
1013        }
1014    }
1015
1016    private void quoteMessage(Message message) {
1017        quoteText(MessageUtils.prepareQuote(message));
1018    }
1019
1020    @Override
1021    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1022        synchronized (this.messageList) {
1023            super.onCreateContextMenu(menu, v, menuInfo);
1024            AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1025            this.selectedMessage = this.messageList.get(acmi.position);
1026            populateContextMenu(menu);
1027        }
1028    }
1029
1030    private void populateContextMenu(ContextMenu menu) {
1031        final Message m = this.selectedMessage;
1032        final Transferable t = m.getTransferable();
1033        Message relevantForCorrection = m;
1034        while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
1035            relevantForCorrection = relevantForCorrection.next();
1036        }
1037        if (m.getType() != Message.TYPE_STATUS) {
1038
1039            if (m.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE || m.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1040                return;
1041            }
1042
1043            final boolean deleted = m.isDeleted();
1044            final boolean encrypted = m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
1045                    || m.getEncryption() == Message.ENCRYPTION_PGP;
1046            final boolean receiving = m.getStatus() == Message.STATUS_RECEIVED && (t instanceof JingleConnection || t instanceof HttpDownloadConnection);
1047            activity.getMenuInflater().inflate(R.menu.message_context, menu);
1048            menu.setHeaderTitle(R.string.message_options);
1049            MenuItem openWith = menu.findItem(R.id.open_with);
1050            MenuItem copyMessage = menu.findItem(R.id.copy_message);
1051            MenuItem copyLink = menu.findItem(R.id.copy_link);
1052            MenuItem quoteMessage = menu.findItem(R.id.quote_message);
1053            MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
1054            MenuItem correctMessage = menu.findItem(R.id.correct_message);
1055            MenuItem shareWith = menu.findItem(R.id.share_with);
1056            MenuItem sendAgain = menu.findItem(R.id.send_again);
1057            MenuItem copyUrl = menu.findItem(R.id.copy_url);
1058            MenuItem downloadFile = menu.findItem(R.id.download_file);
1059            MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
1060            MenuItem deleteFile = menu.findItem(R.id.delete_file);
1061            MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
1062            final boolean showError = m.getStatus() == Message.STATUS_SEND_FAILED && m.getErrorMessage() != null && !Message.ERROR_MESSAGE_CANCELLED.equals(m.getErrorMessage());
1063            if (!m.isFileOrImage() && !encrypted && !m.isGeoUri() && !m.treatAsDownloadable()) {
1064                copyMessage.setVisible(true);
1065                quoteMessage.setVisible(!showError && MessageUtils.prepareQuote(m).length() > 0);
1066                String body = m.getMergedBody().toString();
1067                if (ShareUtil.containsXmppUri(body)) {
1068                    copyLink.setTitle(R.string.copy_jabber_id);
1069                    copyLink.setVisible(true);
1070                } else if (Patterns.AUTOLINK_WEB_URL.matcher(body).find()) {
1071                    copyLink.setVisible(true);
1072                }
1073            }
1074            if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED && !deleted) {
1075                retryDecryption.setVisible(true);
1076            }
1077            if (!showError
1078                    && relevantForCorrection.getType() == Message.TYPE_TEXT
1079                    && !m.isGeoUri()
1080                    && relevantForCorrection.isLastCorrectableMessage()
1081                    && m.getConversation() instanceof Conversation
1082                    && (((Conversation) m.getConversation()).getMucOptions().nonanonymous() || m.getConversation().getMode() == Conversation.MODE_SINGLE)) {
1083                correctMessage.setVisible(true);
1084            }
1085            if ((m.isFileOrImage() && !deleted && !receiving) || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())) {
1086                shareWith.setVisible(true);
1087            }
1088            if (m.getStatus() == Message.STATUS_SEND_FAILED) {
1089                sendAgain.setVisible(true);
1090            }
1091            if (m.hasFileOnRemoteHost()
1092                    || m.isGeoUri()
1093                    || m.treatAsDownloadable()
1094                    || t instanceof HttpDownloadConnection) {
1095                copyUrl.setVisible(true);
1096            }
1097            if (m.isFileOrImage() && deleted && m.hasFileOnRemoteHost()) {
1098                downloadFile.setVisible(true);
1099                downloadFile.setTitle(activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, m)));
1100            }
1101            final boolean waitingOfferedSending = m.getStatus() == Message.STATUS_WAITING
1102                    || m.getStatus() == Message.STATUS_UNSEND
1103                    || m.getStatus() == Message.STATUS_OFFERED;
1104            final boolean cancelable = (t != null && !deleted) || waitingOfferedSending && m.needsUploading();
1105            if (cancelable) {
1106                cancelTransmission.setVisible(true);
1107            }
1108            if (m.isFileOrImage() && !deleted && !cancelable) {
1109                String path = m.getRelativeFilePath();
1110                if (path == null || !path.startsWith("/") || FileBackend.isInDirectoryThatShouldNotBeScanned(getActivity(), path)) {
1111                    deleteFile.setVisible(true);
1112                    deleteFile.setTitle(activity.getString(R.string.delete_x_file, UIHelper.getFileDescriptionString(activity, m)));
1113                }
1114            }
1115            if (showError) {
1116                showErrorMessage.setVisible(true);
1117            }
1118            final String mime = m.isFileOrImage() ? m.getMimeType() : null;
1119            if ((m.isGeoUri() && GeoHelper.openInOsmAnd(getActivity(),m)) || (mime != null && mime.startsWith("audio/"))) {
1120                openWith.setVisible(true);
1121            }
1122        }
1123    }
1124
1125    @Override
1126    public boolean onContextItemSelected(MenuItem item) {
1127        switch (item.getItemId()) {
1128            case R.id.share_with:
1129                ShareUtil.share(activity, selectedMessage);
1130                return true;
1131            case R.id.correct_message:
1132                correctMessage(selectedMessage);
1133                return true;
1134            case R.id.copy_message:
1135                ShareUtil.copyToClipboard(activity, selectedMessage);
1136                return true;
1137            case R.id.copy_link:
1138                ShareUtil.copyLinkToClipboard(activity, selectedMessage);
1139                return true;
1140            case R.id.quote_message:
1141                quoteMessage(selectedMessage);
1142                return true;
1143            case R.id.send_again:
1144                resendMessage(selectedMessage);
1145                return true;
1146            case R.id.copy_url:
1147                ShareUtil.copyUrlToClipboard(activity, selectedMessage);
1148                return true;
1149            case R.id.download_file:
1150                startDownloadable(selectedMessage);
1151                return true;
1152            case R.id.cancel_transmission:
1153                cancelTransmission(selectedMessage);
1154                return true;
1155            case R.id.retry_decryption:
1156                retryDecryption(selectedMessage);
1157                return true;
1158            case R.id.delete_file:
1159                deleteFile(selectedMessage);
1160                return true;
1161            case R.id.show_error_message:
1162                showErrorMessage(selectedMessage);
1163                return true;
1164            case R.id.open_with:
1165                openWith(selectedMessage);
1166                return true;
1167            default:
1168                return super.onContextItemSelected(item);
1169        }
1170    }
1171
1172    @Override
1173    public boolean onOptionsItemSelected(final MenuItem item) {
1174        if (MenuDoubleTabUtil.shouldIgnoreTap()) {
1175            return false;
1176        } else if (conversation == null) {
1177            return super.onOptionsItemSelected(item);
1178        }
1179        switch (item.getItemId()) {
1180            case R.id.encryption_choice_axolotl:
1181            case R.id.encryption_choice_pgp:
1182            case R.id.encryption_choice_none:
1183                handleEncryptionSelection(item);
1184                break;
1185            case R.id.attach_choose_picture:
1186            case R.id.attach_take_picture:
1187            case R.id.attach_record_video:
1188            case R.id.attach_choose_file:
1189            case R.id.attach_record_voice:
1190            case R.id.attach_location:
1191                handleAttachmentSelection(item);
1192                break;
1193            case R.id.action_archive:
1194                activity.xmppConnectionService.archiveConversation(conversation);
1195                break;
1196            case R.id.action_contact_details:
1197                activity.switchToContactDetails(conversation.getContact());
1198                break;
1199            case R.id.action_muc_details:
1200                Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
1201                intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
1202                intent.putExtra("uuid", conversation.getUuid());
1203                startActivity(intent);
1204                break;
1205            case R.id.action_invite:
1206                startActivityForResult(ChooseContactActivity.create(activity, conversation), REQUEST_INVITE_TO_CONVERSATION);
1207                break;
1208            case R.id.action_clear_history:
1209                clearHistoryDialog(conversation);
1210                break;
1211            case R.id.action_mute:
1212                muteConversationDialog(conversation);
1213                break;
1214            case R.id.action_unmute:
1215                unmuteConversation(conversation);
1216                break;
1217            case R.id.action_block:
1218            case R.id.action_unblock:
1219                final Activity activity = getActivity();
1220                if (activity instanceof XmppActivity) {
1221                    BlockContactDialog.show((XmppActivity) activity, conversation);
1222                }
1223                break;
1224            default:
1225                break;
1226        }
1227        return super.onOptionsItemSelected(item);
1228    }
1229
1230    private void handleAttachmentSelection(MenuItem item) {
1231        switch (item.getItemId()) {
1232            case R.id.attach_choose_picture:
1233                attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
1234                break;
1235            case R.id.attach_take_picture:
1236                attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
1237                break;
1238            case R.id.attach_record_video:
1239                attachFile(ATTACHMENT_CHOICE_RECORD_VIDEO);
1240                break;
1241            case R.id.attach_choose_file:
1242                attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
1243                break;
1244            case R.id.attach_record_voice:
1245                attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
1246                break;
1247            case R.id.attach_location:
1248                attachFile(ATTACHMENT_CHOICE_LOCATION);
1249                break;
1250        }
1251    }
1252
1253    private void handleEncryptionSelection(MenuItem item) {
1254        if (conversation == null) {
1255            return;
1256        }
1257        final boolean updated;
1258        switch (item.getItemId()) {
1259            case R.id.encryption_choice_none:
1260                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1261                item.setChecked(true);
1262                break;
1263            case R.id.encryption_choice_pgp:
1264                if (activity.hasPgp()) {
1265                    if (conversation.getAccount().getPgpSignature() != null) {
1266                        updated = conversation.setNextEncryption(Message.ENCRYPTION_PGP);
1267                        item.setChecked(true);
1268                    } else {
1269                        updated = false;
1270                        activity.announcePgp(conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
1271                    }
1272                } else {
1273                    activity.showInstallPgpDialog();
1274                    updated = false;
1275                }
1276                break;
1277            case R.id.encryption_choice_axolotl:
1278                Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
1279                        + "Enabled axolotl for Contact " + conversation.getContact().getJid());
1280                updated = conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
1281                item.setChecked(true);
1282                break;
1283            default:
1284                updated = conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1285                break;
1286        }
1287        if (updated) {
1288            activity.xmppConnectionService.updateConversation(conversation);
1289        }
1290        updateChatMsgHint();
1291        getActivity().invalidateOptionsMenu();
1292        activity.refreshUi();
1293    }
1294
1295    public void attachFile(final int attachmentChoice) {
1296        if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
1297            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.RECORD_AUDIO)) {
1298                return;
1299            }
1300        } else if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO || attachmentChoice == ATTACHMENT_CHOICE_RECORD_VIDEO) {
1301            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA)) {
1302                return;
1303            }
1304        } else if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
1305            if (!hasPermissions(attachmentChoice, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1306                return;
1307            }
1308        }
1309        try {
1310            activity.getPreferences().edit()
1311                    .putString(RECENTLY_USED_QUICK_ACTION, SendButtonAction.of(attachmentChoice).toString())
1312                    .apply();
1313        } catch (IllegalArgumentException e) {
1314            //just do not save
1315        }
1316        final int encryption = conversation.getNextEncryption();
1317        final int mode = conversation.getMode();
1318        if (encryption == Message.ENCRYPTION_PGP) {
1319            if (activity.hasPgp()) {
1320                if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
1321                    activity.xmppConnectionService.getPgpEngine().hasKey(
1322                            conversation.getContact(),
1323                            new UiCallback<Contact>() {
1324
1325                                @Override
1326                                public void userInputRequried(PendingIntent pi, Contact contact) {
1327                                    startPendingIntent(pi, attachmentChoice);
1328                                }
1329
1330                                @Override
1331                                public void success(Contact contact) {
1332                                    selectPresenceToAttachFile(attachmentChoice);
1333                                }
1334
1335                                @Override
1336                                public void error(int error, Contact contact) {
1337                                    activity.replaceToast(getString(error));
1338                                }
1339                            });
1340                } else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
1341                    if (!conversation.getMucOptions().everybodyHasKeys()) {
1342                        Toast warning = Toast.makeText(getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG);
1343                        warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1344                        warning.show();
1345                    }
1346                    selectPresenceToAttachFile(attachmentChoice);
1347                } else {
1348                    showNoPGPKeyDialog(false, (dialog, which) -> {
1349                        conversation.setNextEncryption(Message.ENCRYPTION_NONE);
1350                        activity.xmppConnectionService.updateConversation(conversation);
1351                        selectPresenceToAttachFile(attachmentChoice);
1352                    });
1353                }
1354            } else {
1355                activity.showInstallPgpDialog();
1356            }
1357        } else {
1358            selectPresenceToAttachFile(attachmentChoice);
1359        }
1360    }
1361
1362    @Override
1363    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
1364        if (grantResults.length > 0) {
1365            if (allGranted(grantResults)) {
1366                switch (requestCode) {
1367                    case REQUEST_START_DOWNLOAD:
1368                        if (this.mPendingDownloadableMessage != null) {
1369                            startDownloadable(this.mPendingDownloadableMessage);
1370                        }
1371                        break;
1372                    case REQUEST_ADD_EDITOR_CONTENT:
1373                        if (this.mPendingEditorContent != null) {
1374                            attachEditorContentToConversation(this.mPendingEditorContent);
1375                        }
1376                        break;
1377                    case REQUEST_COMMIT_ATTACHMENTS:
1378                        commitAttachments();
1379                        break;
1380                    default:
1381                        attachFile(requestCode);
1382                        break;
1383                }
1384            } else {
1385                @StringRes int res;
1386                String firstDenied = getFirstDenied(grantResults, permissions);
1387                if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
1388                    res = R.string.no_microphone_permission;
1389                } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
1390                    res = R.string.no_camera_permission;
1391                } else {
1392                    res = R.string.no_storage_permission;
1393                }
1394                Toast.makeText(getActivity(), res, Toast.LENGTH_SHORT).show();
1395            }
1396        }
1397        if (writeGranted(grantResults, permissions)) {
1398            if (activity != null && activity.xmppConnectionService != null) {
1399                activity.xmppConnectionService.restartFileObserver();
1400            }
1401            refresh();
1402        }
1403    }
1404
1405    public void startDownloadable(Message message) {
1406        if (!hasPermissions(REQUEST_START_DOWNLOAD, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1407            this.mPendingDownloadableMessage = message;
1408            return;
1409        }
1410        Transferable transferable = message.getTransferable();
1411        if (transferable != null) {
1412            if (transferable instanceof TransferablePlaceholder && message.hasFileOnRemoteHost()) {
1413                createNewConnection(message);
1414                return;
1415            }
1416            if (!transferable.start()) {
1417                Log.d(Config.LOGTAG, "type: " + transferable.getClass().getName());
1418                Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
1419            }
1420        } else if (message.treatAsDownloadable() || message.hasFileOnRemoteHost()) {
1421            createNewConnection(message);
1422        }
1423    }
1424
1425    private void createNewConnection(final Message message) {
1426        if (!activity.xmppConnectionService.getHttpConnectionManager().checkConnection(message)) {
1427            Toast.makeText(getActivity(), R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
1428            return;
1429        }
1430        activity.xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
1431    }
1432
1433    @SuppressLint("InflateParams")
1434    protected void clearHistoryDialog(final Conversation conversation) {
1435        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1436        builder.setTitle(getString(R.string.clear_conversation_history));
1437        final View dialogView = getActivity().getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
1438        final CheckBox endConversationCheckBox = dialogView.findViewById(R.id.end_conversation_checkbox);
1439        builder.setView(dialogView);
1440        builder.setNegativeButton(getString(R.string.cancel), null);
1441        builder.setPositiveButton(getString(R.string.confirm), (dialog, which) -> {
1442            this.activity.xmppConnectionService.clearConversationHistory(conversation);
1443            if (endConversationCheckBox.isChecked()) {
1444                this.activity.xmppConnectionService.archiveConversation(conversation);
1445                this.activity.onConversationArchived(conversation);
1446            } else {
1447                activity.onConversationsListItemUpdated();
1448                refresh();
1449            }
1450        });
1451        builder.create().show();
1452    }
1453
1454    protected void muteConversationDialog(final Conversation conversation) {
1455        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1456        builder.setTitle(R.string.disable_notifications);
1457        final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
1458        final CharSequence[] labels = new CharSequence[durations.length];
1459        for (int i = 0; i < durations.length; ++i) {
1460            if (durations[i] == -1) {
1461                labels[i] = getString(R.string.until_further_notice);
1462            } else {
1463                labels[i] = TimeframeUtils.resolve(activity, 1000L * durations[i]);
1464            }
1465        }
1466        builder.setItems(labels, (dialog, which) -> {
1467            final long till;
1468            if (durations[which] == -1) {
1469                till = Long.MAX_VALUE;
1470            } else {
1471                till = System.currentTimeMillis() + (durations[which] * 1000);
1472            }
1473            conversation.setMutedTill(till);
1474            activity.xmppConnectionService.updateConversation(conversation);
1475            activity.onConversationsListItemUpdated();
1476            refresh();
1477            getActivity().invalidateOptionsMenu();
1478        });
1479        builder.create().show();
1480    }
1481
1482    private boolean hasPermissions(int requestCode, String... permissions) {
1483        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1484            final List<String> missingPermissions = new ArrayList<>();
1485            for (String permission : permissions) {
1486                if (Config.ONLY_INTERNAL_STORAGE && permission.equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
1487                    continue;
1488                }
1489                if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
1490                    missingPermissions.add(permission);
1491                }
1492            }
1493            if (missingPermissions.size() == 0) {
1494                return true;
1495            } else {
1496                requestPermissions(missingPermissions.toArray(new String[missingPermissions.size()]), requestCode);
1497                return false;
1498            }
1499        } else {
1500            return true;
1501        }
1502    }
1503
1504    public void unmuteConversation(final Conversation conversation) {
1505        conversation.setMutedTill(0);
1506        this.activity.xmppConnectionService.updateConversation(conversation);
1507        this.activity.onConversationsListItemUpdated();
1508        refresh();
1509        getActivity().invalidateOptionsMenu();
1510    }
1511
1512    protected void selectPresenceToAttachFile(final int attachmentChoice) {
1513        final Account account = conversation.getAccount();
1514        final PresenceSelector.OnPresenceSelected callback = () -> {
1515            Intent intent = new Intent();
1516            boolean chooser = false;
1517            switch (attachmentChoice) {
1518                case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
1519                    intent.setAction(Intent.ACTION_GET_CONTENT);
1520                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1521                        intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
1522                    }
1523                    intent.setType("image/*");
1524                    chooser = true;
1525                    break;
1526                case ATTACHMENT_CHOICE_RECORD_VIDEO:
1527                    intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
1528                    break;
1529                case ATTACHMENT_CHOICE_TAKE_PHOTO:
1530                    final Uri uri = activity.xmppConnectionService.getFileBackend().getTakePhotoUri();
1531                    pendingTakePhotoUri.push(uri);
1532                    intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
1533                    intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
1534                    intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1535                    intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
1536                    break;
1537                case ATTACHMENT_CHOICE_CHOOSE_FILE:
1538                    chooser = true;
1539                    intent.setType("*/*");
1540                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1541                        intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
1542                    }
1543                    intent.addCategory(Intent.CATEGORY_OPENABLE);
1544                    intent.setAction(Intent.ACTION_GET_CONTENT);
1545                    break;
1546                case ATTACHMENT_CHOICE_RECORD_VOICE:
1547                    intent = new Intent(getActivity(), RecordingActivity.class);
1548                    break;
1549                case ATTACHMENT_CHOICE_LOCATION:
1550                    intent = GeoHelper.getFetchIntent(activity);
1551                    break;
1552            }
1553            if (intent.resolveActivity(getActivity().getPackageManager()) != null) {
1554                if (chooser) {
1555                    startActivityForResult(
1556                            Intent.createChooser(intent, getString(R.string.perform_action_with)),
1557                            attachmentChoice);
1558                } else {
1559                    startActivityForResult(intent, attachmentChoice);
1560                }
1561            }
1562        };
1563        if (account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) {
1564            conversation.setNextCounterpart(null);
1565            callback.onPresenceSelected();
1566        } else {
1567            activity.selectPresence(conversation, callback);
1568        }
1569    }
1570
1571    @Override
1572    public void onResume() {
1573        super.onResume();
1574        binding.messagesView.post(this::fireReadEvent);
1575    }
1576
1577    private void fireReadEvent() {
1578        if (activity != null && this.conversation != null) {
1579            String uuid = getLastVisibleMessageUuid();
1580            if (uuid != null) {
1581                activity.onConversationRead(this.conversation, uuid);
1582            }
1583        }
1584    }
1585
1586    private String getLastVisibleMessageUuid() {
1587        if (binding == null) {
1588            return null;
1589        }
1590        synchronized (this.messageList) {
1591            int pos = binding.messagesView.getLastVisiblePosition();
1592            if (pos >= 0) {
1593                Message message = null;
1594                for (int i = pos; i >= 0; --i) {
1595                    try {
1596                        message = (Message) binding.messagesView.getItemAtPosition(i);
1597                    } catch (IndexOutOfBoundsException e) {
1598                        //should not happen if we synchronize properly. however if that fails we just gonna try item -1
1599                        continue;
1600                    }
1601                    if (message.getType() != Message.TYPE_STATUS) {
1602                        break;
1603                    }
1604                }
1605                if (message != null) {
1606                    while (message.next() != null && message.next().wasMergedIntoPrevious()) {
1607                        message = message.next();
1608                    }
1609                    return message.getUuid();
1610                }
1611            }
1612        }
1613        return null;
1614    }
1615
1616    private void openWith(final Message message) {
1617        if (message.isGeoUri()) {
1618            GeoHelper.view(getActivity(),message);
1619        } else {
1620            final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1621            ViewUtil.view(activity, file);
1622        }
1623    }
1624
1625    private void showErrorMessage(final Message message) {
1626        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1627        builder.setTitle(R.string.error_message);
1628        builder.setMessage(message.getErrorMessage());
1629        builder.setNegativeButton(R.string.copy_to_clipboard, (dialog, which) -> {
1630            activity.copyTextToClipboard(message.getErrorMessage(),R.string.error_message);
1631            Toast.makeText(activity,R.string.error_message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1632        });
1633        builder.setPositiveButton(R.string.confirm, null);
1634        builder.create().show();
1635    }
1636
1637
1638    private void deleteFile(final Message message) {
1639        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1640        builder.setNegativeButton(R.string.cancel, null);
1641        builder.setTitle(R.string.delete_file_dialog);
1642        builder.setMessage(R.string.delete_file_dialog_msg);
1643        builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
1644            if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
1645                message.setDeleted(true);
1646                activity.xmppConnectionService.updateMessage(message, false);
1647                activity.onConversationsListItemUpdated();
1648                refresh();
1649            }
1650        });
1651        builder.create().show();
1652
1653    }
1654
1655    private void resendMessage(final Message message) {
1656        if (message.isFileOrImage()) {
1657            if (!(message.getConversation() instanceof Conversation)) {
1658                return;
1659            }
1660            final Conversation conversation = (Conversation) message.getConversation();
1661            final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1662            if ((file.exists() && file.canRead()) || message.hasFileOnRemoteHost()) {
1663                final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
1664                if (!message.hasFileOnRemoteHost()
1665                        && xmppConnection != null
1666                        && conversation.getMode() == Conversational.MODE_SINGLE
1667                        && !xmppConnection.getFeatures().httpUpload(message.getFileParams().size)) {
1668                    activity.selectPresence(conversation, () -> {
1669                        message.setCounterpart(conversation.getNextCounterpart());
1670                        activity.xmppConnectionService.resendFailedMessages(message);
1671                        new Handler().post(() -> {
1672                            int size = messageList.size();
1673                            this.binding.messagesView.setSelection(size - 1);
1674                        });
1675                    });
1676                    return;
1677                }
1678            } else if (!Compatibility.hasStoragePermission(getActivity())) {
1679                Toast.makeText(activity, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
1680                return;
1681            } else {
1682                Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
1683                message.setDeleted(true);
1684                activity.xmppConnectionService.updateMessage(message, false);
1685                activity.onConversationsListItemUpdated();
1686                refresh();
1687                return;
1688            }
1689        }
1690        activity.xmppConnectionService.resendFailedMessages(message);
1691        new Handler().post(() -> {
1692            int size = messageList.size();
1693            this.binding.messagesView.setSelection(size - 1);
1694        });
1695    }
1696
1697    private void cancelTransmission(Message message) {
1698        Transferable transferable = message.getTransferable();
1699        if (transferable != null) {
1700            transferable.cancel();
1701        } else if (message.getStatus() != Message.STATUS_RECEIVED) {
1702            activity.xmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED, Message.ERROR_MESSAGE_CANCELLED);
1703        }
1704    }
1705
1706    private void retryDecryption(Message message) {
1707        message.setEncryption(Message.ENCRYPTION_PGP);
1708        activity.onConversationsListItemUpdated();
1709        refresh();
1710        conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
1711    }
1712
1713    public void privateMessageWith(final Jid counterpart) {
1714        if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1715            activity.xmppConnectionService.sendChatState(conversation);
1716        }
1717        this.binding.textinput.setText("");
1718        this.conversation.setNextCounterpart(counterpart);
1719        updateChatMsgHint();
1720        updateSendButton();
1721        updateEditablity();
1722    }
1723
1724    private void correctMessage(Message message) {
1725        while (message.mergeable(message.next())) {
1726            message = message.next();
1727        }
1728        this.conversation.setCorrectingMessage(message);
1729        final Editable editable = binding.textinput.getText();
1730        this.conversation.setDraftMessage(editable.toString());
1731        this.binding.textinput.setText("");
1732        this.binding.textinput.append(message.getBody());
1733
1734    }
1735
1736    private void highlightInConference(String nick) {
1737        final Editable editable = this.binding.textinput.getText();
1738        String oldString = editable.toString().trim();
1739        final int pos = this.binding.textinput.getSelectionStart();
1740        if (oldString.isEmpty() || pos == 0) {
1741            editable.insert(0, nick + ": ");
1742        } else {
1743            final char before = editable.charAt(pos - 1);
1744            final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
1745            if (before == '\n') {
1746                editable.insert(pos, nick + ": ");
1747            } else {
1748                if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
1749                    if (NickValidityChecker.check(conversation, Arrays.asList(editable.subSequence(0, pos - 2).toString().split(", ")))) {
1750                        editable.insert(pos - 2, ", " + nick);
1751                        return;
1752                    }
1753                }
1754                editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " "));
1755                if (Character.isWhitespace(after)) {
1756                    this.binding.textinput.setSelection(this.binding.textinput.getSelectionStart() + 1);
1757                }
1758            }
1759        }
1760    }
1761
1762    @Override
1763    public void startActivityForResult(Intent intent, int requestCode) {
1764        final Activity activity = getActivity();
1765        if (activity instanceof ConversationsActivity) {
1766            ((ConversationsActivity) activity).clearPendingViewIntent();
1767        }
1768        super.startActivityForResult(intent, requestCode);
1769    }
1770
1771    @Override
1772    public void onSaveInstanceState(Bundle outState) {
1773        super.onSaveInstanceState(outState);
1774        if (conversation != null) {
1775            outState.putString(STATE_CONVERSATION_UUID, conversation.getUuid());
1776            outState.putString(STATE_LAST_MESSAGE_UUID, lastMessageUuid);
1777            final Uri uri = pendingTakePhotoUri.peek();
1778            if (uri != null) {
1779                outState.putString(STATE_PHOTO_URI, uri.toString());
1780            }
1781            final ScrollState scrollState = getScrollPosition();
1782            if (scrollState != null) {
1783                outState.putParcelable(STATE_SCROLL_POSITION, scrollState);
1784            }
1785            final ArrayList<Attachment> attachments = mediaPreviewAdapter == null ? new ArrayList<>() : mediaPreviewAdapter.getAttachments();
1786            if (attachments.size() > 0) {
1787                outState.putParcelableArrayList(STATE_MEDIA_PREVIEWS, attachments);
1788            }
1789        }
1790    }
1791
1792    @Override
1793    public void onActivityCreated(Bundle savedInstanceState) {
1794        super.onActivityCreated(savedInstanceState);
1795        if (savedInstanceState == null) {
1796            return;
1797        }
1798        String uuid = savedInstanceState.getString(STATE_CONVERSATION_UUID);
1799        ArrayList<Attachment> attachments = savedInstanceState.getParcelableArrayList(STATE_MEDIA_PREVIEWS);
1800        pendingLastMessageUuid.push(savedInstanceState.getString(STATE_LAST_MESSAGE_UUID, null));
1801        if (uuid != null) {
1802            QuickLoader.set(uuid);
1803            this.pendingConversationsUuid.push(uuid);
1804            if (attachments != null && attachments.size() > 0) {
1805                this.pendingMediaPreviews.push(attachments);
1806            }
1807            String takePhotoUri = savedInstanceState.getString(STATE_PHOTO_URI);
1808            if (takePhotoUri != null) {
1809                pendingTakePhotoUri.push(Uri.parse(takePhotoUri));
1810            }
1811            pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
1812        }
1813    }
1814
1815    @Override
1816    public void onStart() {
1817        super.onStart();
1818        if (this.reInitRequiredOnStart && this.conversation != null) {
1819            final Bundle extras = pendingExtras.pop();
1820            reInit(this.conversation, extras != null);
1821            if (extras != null) {
1822                processExtras(extras);
1823            }
1824        } else if (conversation == null && activity != null && activity.xmppConnectionService != null) {
1825            final String uuid = pendingConversationsUuid.pop();
1826            Log.d(Config.LOGTAG, "ConversationFragment.onStart() - activity was bound but no conversation loaded. uuid=" + uuid);
1827            if (uuid != null) {
1828                findAndReInitByUuidOrArchive(uuid);
1829            }
1830        }
1831    }
1832
1833    @Override
1834    public void onStop() {
1835        super.onStop();
1836        final Activity activity = getActivity();
1837        messageListAdapter.unregisterListenerInAudioPlayer();
1838        if (activity == null || !activity.isChangingConfigurations()) {
1839            hideSoftKeyboard(activity);
1840            messageListAdapter.stopAudioPlayer();
1841        }
1842        if (this.conversation != null) {
1843            final String msg = this.binding.textinput.getText().toString();
1844            storeNextMessage(msg);
1845            updateChatState(this.conversation, msg);
1846            this.activity.xmppConnectionService.getNotificationService().setOpenConversation(null);
1847        }
1848        this.reInitRequiredOnStart = true;
1849    }
1850
1851    private void updateChatState(final Conversation conversation, final String msg) {
1852        ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED;
1853        Account.State status = conversation.getAccount().getStatus();
1854        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
1855            activity.xmppConnectionService.sendChatState(conversation);
1856        }
1857    }
1858
1859    private void saveMessageDraftStopAudioPlayer() {
1860        final Conversation previousConversation = this.conversation;
1861        if (this.activity == null || this.binding == null || previousConversation == null) {
1862            return;
1863        }
1864        Log.d(Config.LOGTAG, "ConversationFragment.saveMessageDraftStopAudioPlayer()");
1865        final String msg = this.binding.textinput.getText().toString();
1866        storeNextMessage(msg);
1867        updateChatState(this.conversation, msg);
1868        messageListAdapter.stopAudioPlayer();
1869        mediaPreviewAdapter.clearPreviews();
1870        toggleInputMethod();
1871    }
1872
1873    public void reInit(Conversation conversation, Bundle extras) {
1874        QuickLoader.set(conversation.getUuid());
1875        this.saveMessageDraftStopAudioPlayer();
1876        this.clearPending();
1877        if (this.reInit(conversation, extras != null)) {
1878            if (extras != null) {
1879                processExtras(extras);
1880            }
1881            this.reInitRequiredOnStart = false;
1882        } else {
1883            this.reInitRequiredOnStart = true;
1884            pendingExtras.push(extras);
1885        }
1886        resetUnreadMessagesCount();
1887    }
1888
1889    private void reInit(Conversation conversation) {
1890        reInit(conversation, false);
1891    }
1892
1893    private boolean reInit(final Conversation conversation, final boolean hasExtras) {
1894        if (conversation == null) {
1895            return false;
1896        }
1897        this.conversation = conversation;
1898        //once we set the conversation all is good and it will automatically do the right thing in onStart()
1899        if (this.activity == null || this.binding == null) {
1900            return false;
1901        }
1902
1903        if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
1904            activity.onConversationArchived(this.conversation);
1905            return false;
1906        }
1907
1908        stopScrolling();
1909        Log.d(Config.LOGTAG, "reInit(hasExtras=" + Boolean.toString(hasExtras) + ")");
1910
1911        if (this.conversation.isRead() && hasExtras) {
1912            Log.d(Config.LOGTAG, "trimming conversation");
1913            this.conversation.trim();
1914        }
1915
1916        setupIme();
1917
1918        final boolean scrolledToBottomAndNoPending = this.scrolledToBottom() && pendingScrollState.peek() == null;
1919
1920        this.binding.textSendButton.setContentDescription(activity.getString(R.string.send_message_to_x, conversation.getName()));
1921        this.binding.textinput.setKeyboardListener(null);
1922        this.binding.textinput.setText("");
1923        final boolean participating = conversation.getMode() == Conversational.MODE_SINGLE || conversation.getMucOptions().participating();
1924        if (participating) {
1925            this.binding.textinput.append(this.conversation.getNextMessage());
1926        }
1927        this.binding.textinput.setKeyboardListener(this);
1928        messageListAdapter.updatePreferences();
1929        refresh(false);
1930        this.conversation.messagesLoaded.set(true);
1931        Log.d(Config.LOGTAG, "scrolledToBottomAndNoPending=" + Boolean.toString(scrolledToBottomAndNoPending));
1932
1933        if (hasExtras || scrolledToBottomAndNoPending) {
1934            resetUnreadMessagesCount();
1935            synchronized (this.messageList) {
1936                Log.d(Config.LOGTAG, "jump to first unread message");
1937                final Message first = conversation.getFirstUnreadMessage();
1938                final int bottom = Math.max(0, this.messageList.size() - 1);
1939                final int pos;
1940                final boolean jumpToBottom;
1941                if (first == null) {
1942                    pos = bottom;
1943                    jumpToBottom = true;
1944                } else {
1945                    int i = getIndexOf(first.getUuid(), this.messageList);
1946                    pos = i < 0 ? bottom : i;
1947                    jumpToBottom = false;
1948                }
1949                setSelection(pos, jumpToBottom);
1950            }
1951        }
1952
1953
1954        this.binding.messagesView.post(this::fireReadEvent);
1955        //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
1956        activity.xmppConnectionService.getNotificationService().setOpenConversation(this.conversation);
1957        return true;
1958    }
1959
1960    private void resetUnreadMessagesCount() {
1961        lastMessageUuid = null;
1962        hideUnreadMessagesCount();
1963    }
1964
1965    private void hideUnreadMessagesCount() {
1966        if (this.binding == null) {
1967            return;
1968        }
1969        this.binding.scrollToBottomButton.setEnabled(false);
1970        this.binding.scrollToBottomButton.hide();
1971        this.binding.unreadCountCustomView.setVisibility(View.GONE);
1972    }
1973
1974    private void setSelection(int pos, boolean jumpToBottom) {
1975        ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom);
1976        this.binding.messagesView.post(() -> ListViewUtils.setSelection(this.binding.messagesView, pos, jumpToBottom));
1977        this.binding.messagesView.post(this::fireReadEvent);
1978    }
1979
1980
1981    private boolean scrolledToBottom() {
1982        return this.binding != null && scrolledToBottom(this.binding.messagesView);
1983    }
1984
1985    private void processExtras(Bundle extras) {
1986        final String downloadUuid = extras.getString(ConversationsActivity.EXTRA_DOWNLOAD_UUID);
1987        final String text = extras.getString(Intent.EXTRA_TEXT);
1988        final String nick = extras.getString(ConversationsActivity.EXTRA_NICK);
1989        final boolean asQuote = extras.getBoolean(ConversationsActivity.EXTRA_AS_QUOTE);
1990        final boolean pm = extras.getBoolean(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, false);
1991        final boolean doNotAppend = extras.getBoolean(ConversationsActivity.EXTRA_DO_NOT_APPEND, false);
1992        final List<Uri> uris = extractUris(extras);
1993        if (uris != null && uris.size() > 0) {
1994            final List<Uri> cleanedUris = cleanUris(new ArrayList<>(uris));
1995            mediaPreviewAdapter.addMediaPreviews(Attachment.of(getActivity(), cleanedUris));
1996            toggleInputMethod();
1997            return;
1998        }
1999        if (nick != null) {
2000            if (pm) {
2001                Jid jid = conversation.getJid();
2002                try {
2003                    Jid next = Jid.of(jid.getLocal(), jid.getDomain(), nick);
2004                    privateMessageWith(next);
2005                } catch (final IllegalArgumentException ignored) {
2006                    //do nothing
2007                }
2008            } else {
2009                final MucOptions mucOptions = conversation.getMucOptions();
2010                if (mucOptions.participating() || conversation.getNextCounterpart() != null) {
2011                    highlightInConference(nick);
2012                }
2013            }
2014        } else {
2015            if (text != null && asQuote) {
2016                quoteText(text);
2017            } else {
2018                appendText(text, doNotAppend);
2019            }
2020        }
2021        final Message message = downloadUuid == null ? null : conversation.findMessageWithFileAndUuid(downloadUuid);
2022        if (message != null) {
2023            startDownloadable(message);
2024        }
2025    }
2026
2027    private List<Uri> extractUris(Bundle extras) {
2028        final List<Uri> uris = extras.getParcelableArrayList(Intent.EXTRA_STREAM);
2029        if (uris != null) {
2030            return uris;
2031        }
2032        final Uri uri = extras.getParcelable(Intent.EXTRA_STREAM);
2033        if (uri != null) {
2034            return Collections.singletonList(uri);
2035        } else {
2036            return null;
2037        }
2038    }
2039
2040    private List<Uri> cleanUris(List<Uri> uris) {
2041        Iterator<Uri> iterator = uris.iterator();
2042        while (iterator.hasNext()) {
2043            final Uri uri = iterator.next();
2044            if (FileBackend.weOwnFile(getActivity(), uri)) {
2045                iterator.remove();
2046                Toast.makeText(getActivity(), R.string.security_violation_not_attaching_file, Toast.LENGTH_SHORT).show();
2047            }
2048        }
2049        return uris;
2050    }
2051
2052    private boolean showBlockSubmenu(View view) {
2053        final Jid jid = conversation.getJid();
2054        final boolean showReject = !conversation.isWithStranger() && conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2055        PopupMenu popupMenu = new PopupMenu(getActivity(), view);
2056        popupMenu.inflate(R.menu.block);
2057        popupMenu.getMenu().findItem(R.id.block_contact).setVisible(jid.getLocal() != null);
2058        popupMenu.getMenu().findItem(R.id.reject).setVisible(showReject);
2059        popupMenu.setOnMenuItemClickListener(menuItem -> {
2060            Blockable blockable;
2061            switch (menuItem.getItemId()) {
2062                case R.id.reject:
2063                    activity.xmppConnectionService.stopPresenceUpdatesTo(conversation.getContact());
2064                    updateSnackBar(conversation);
2065                    return true;
2066                case R.id.block_domain:
2067                    blockable = conversation.getAccount().getRoster().getContact(Jid.ofDomain(jid.getDomain()));
2068                    break;
2069                default:
2070                    blockable = conversation;
2071            }
2072            BlockContactDialog.show(activity, blockable);
2073            return true;
2074        });
2075        popupMenu.show();
2076        return true;
2077    }
2078
2079    private void updateSnackBar(final Conversation conversation) {
2080        final Account account = conversation.getAccount();
2081        final XmppConnection connection = account.getXmppConnection();
2082        final int mode = conversation.getMode();
2083        final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
2084        if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2085            return;
2086        }
2087        if (account.getStatus() == Account.State.DISABLED) {
2088            showSnackbar(R.string.this_account_is_disabled, R.string.enable, this.mEnableAccountListener);
2089        } else if (conversation.isBlocked()) {
2090            showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
2091        } else if (contact != null && !contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2092            showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener, this.mLongPressBlockListener);
2093        } else if (contact != null && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2094            showSnackbar(R.string.contact_asks_for_presence_subscription, R.string.allow, this.mAllowPresenceSubscription, this.mLongPressBlockListener);
2095        } else if (mode == Conversation.MODE_MULTI
2096                && !conversation.getMucOptions().online()
2097                && account.getStatus() == Account.State.ONLINE) {
2098            switch (conversation.getMucOptions().getError()) {
2099                case NICK_IN_USE:
2100                    showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
2101                    break;
2102                case NO_RESPONSE:
2103                    showSnackbar(R.string.joining_conference, 0, null);
2104                    break;
2105                case SERVER_NOT_FOUND:
2106                    if (conversation.receivedMessagesCount() > 0) {
2107                        showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
2108                    } else {
2109                        showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
2110                    }
2111                    break;
2112                case REMOTE_SERVER_TIMEOUT:
2113                    if (conversation.receivedMessagesCount() > 0) {
2114                        showSnackbar(R.string.remote_server_timeout, R.string.try_again, joinMuc);
2115                    } else {
2116                        showSnackbar(R.string.remote_server_timeout, R.string.leave, leaveMuc);
2117                    }
2118                    break;
2119                case PASSWORD_REQUIRED:
2120                    showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword);
2121                    break;
2122                case BANNED:
2123                    showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
2124                    break;
2125                case MEMBERS_ONLY:
2126                    showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
2127                    break;
2128                case RESOURCE_CONSTRAINT:
2129                    showSnackbar(R.string.conference_resource_constraint, R.string.try_again, joinMuc);
2130                    break;
2131                case KICKED:
2132                    showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
2133                    break;
2134                case UNKNOWN:
2135                    showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
2136                    break;
2137                case INVALID_NICK:
2138                    showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
2139                case SHUTDOWN:
2140                    showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
2141                    break;
2142                case DESTROYED:
2143                    showSnackbar(R.string.conference_destroyed, R.string.leave, leaveMuc);
2144                    break;
2145                case NON_ANONYMOUS:
2146                    showSnackbar(R.string.group_chat_will_make_your_jabber_id_public, R.string.join, acceptJoin);
2147                    break;
2148                default:
2149                    hideSnackbar();
2150                    break;
2151            }
2152        } else if (account.hasPendingPgpIntent(conversation)) {
2153            showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
2154        } else if (connection != null
2155                && connection.getFeatures().blocking()
2156                && conversation.countMessages() != 0
2157                && !conversation.isBlocked()
2158                && conversation.isWithStranger()) {
2159            showSnackbar(R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
2160        } else {
2161            hideSnackbar();
2162        }
2163    }
2164
2165    @Override
2166    public void refresh() {
2167        if (this.binding == null) {
2168            Log.d(Config.LOGTAG, "ConversationFragment.refresh() skipped updated because view binding was null");
2169            return;
2170        }
2171        if (this.conversation != null && this.activity != null && this.activity.xmppConnectionService != null) {
2172            if (!activity.xmppConnectionService.isConversationStillOpen(this.conversation)) {
2173                activity.onConversationArchived(this.conversation);
2174                return;
2175            }
2176        }
2177        this.refresh(true);
2178    }
2179
2180    private void refresh(boolean notifyConversationRead) {
2181        synchronized (this.messageList) {
2182            if (this.conversation != null) {
2183                conversation.populateWithMessages(this.messageList);
2184                updateSnackBar(conversation);
2185                updateStatusMessages();
2186                if (conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid) != 0) {
2187                    binding.unreadCountCustomView.setVisibility(View.VISIBLE);
2188                    binding.unreadCountCustomView.setUnreadCount(conversation.getReceivedMessagesCountSinceUuid(lastMessageUuid));
2189                }
2190                this.messageListAdapter.notifyDataSetChanged();
2191                updateChatMsgHint();
2192                if (notifyConversationRead && activity != null) {
2193                    binding.messagesView.post(this::fireReadEvent);
2194                }
2195                updateSendButton();
2196                updateEditablity();
2197                activity.invalidateOptionsMenu();
2198            }
2199        }
2200    }
2201
2202    protected void messageSent() {
2203        mSendingPgpMessage.set(false);
2204        this.binding.textinput.setText("");
2205        if (conversation.setCorrectingMessage(null)) {
2206            this.binding.textinput.append(conversation.getDraftMessage());
2207            conversation.setDraftMessage(null);
2208        }
2209        storeNextMessage();
2210        updateChatMsgHint();
2211        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
2212        final boolean prefScrollToBottom = p.getBoolean("scroll_to_bottom", activity.getResources().getBoolean(R.bool.scroll_to_bottom));
2213        if (prefScrollToBottom || scrolledToBottom()) {
2214            new Handler().post(() -> {
2215                int size = messageList.size();
2216                this.binding.messagesView.setSelection(size - 1);
2217            });
2218        }
2219    }
2220
2221    private boolean storeNextMessage() {
2222        return storeNextMessage(this.binding.textinput.getText().toString());
2223    }
2224
2225    private boolean storeNextMessage(String msg) {
2226        final boolean participating = conversation.getMode() == Conversational.MODE_SINGLE || conversation.getMucOptions().participating();
2227        if (this.conversation.getStatus() != Conversation.STATUS_ARCHIVED && participating && this.conversation.setNextMessage(msg)) {
2228            this.activity.xmppConnectionService.updateConversation(this.conversation);
2229            return true;
2230        }
2231        return false;
2232    }
2233
2234    public void doneSendingPgpMessage() {
2235        mSendingPgpMessage.set(false);
2236    }
2237
2238    public long getMaxHttpUploadSize(Conversation conversation) {
2239        final XmppConnection connection = conversation.getAccount().getXmppConnection();
2240        return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
2241    }
2242
2243    private void updateEditablity() {
2244        boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating() || this.conversation.getNextCounterpart() != null;
2245        this.binding.textinput.setFocusable(canWrite);
2246        this.binding.textinput.setFocusableInTouchMode(canWrite);
2247        this.binding.textSendButton.setEnabled(canWrite);
2248        this.binding.textinput.setCursorVisible(canWrite);
2249        this.binding.textinput.setEnabled(canWrite);
2250    }
2251
2252    public void updateSendButton() {
2253        boolean hasAttachments = mediaPreviewAdapter != null && mediaPreviewAdapter.hasAttachments();
2254        boolean useSendButtonToIndicateStatus = PreferenceManager.getDefaultSharedPreferences(getActivity()).getBoolean("send_button_status", getResources().getBoolean(R.bool.send_button_status));
2255        final Conversation c = this.conversation;
2256        final Presence.Status status;
2257        final String text = this.binding.textinput == null ? "" : this.binding.textinput.getText().toString();
2258        final SendButtonAction action;
2259        if (hasAttachments) {
2260            action = SendButtonAction.TEXT;
2261        } else {
2262            action = SendButtonTool.getAction(getActivity(), c, text);
2263        }
2264        if (useSendButtonToIndicateStatus && c.getAccount().getStatus() == Account.State.ONLINE) {
2265            if (activity.xmppConnectionService != null && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
2266                status = Presence.Status.OFFLINE;
2267            } else if (c.getMode() == Conversation.MODE_SINGLE) {
2268                status = c.getContact().getShownStatus();
2269            } else {
2270                status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE;
2271            }
2272        } else {
2273            status = Presence.Status.OFFLINE;
2274        }
2275        this.binding.textSendButton.setTag(action);
2276        this.binding.textSendButton.setImageResource(SendButtonTool.getSendButtonImageResource(getActivity(), action, status));
2277    }
2278
2279    protected void updateDateSeparators() {
2280        synchronized (this.messageList) {
2281            DateSeparator.addAll(this.messageList);
2282        }
2283    }
2284
2285    protected void updateStatusMessages() {
2286        updateDateSeparators();
2287        synchronized (this.messageList) {
2288            if (showLoadMoreMessages(conversation)) {
2289                this.messageList.add(0, Message.createLoadMoreMessage(conversation));
2290            }
2291            if (conversation.getMode() == Conversation.MODE_SINGLE) {
2292                ChatState state = conversation.getIncomingChatState();
2293                if (state == ChatState.COMPOSING) {
2294                    this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
2295                } else if (state == ChatState.PAUSED) {
2296                    this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
2297                } else {
2298                    for (int i = this.messageList.size() - 1; i >= 0; --i) {
2299                        final Message message = this.messageList.get(i);
2300                        if (message.getType() != Message.TYPE_STATUS) {
2301                            if (message.getStatus() == Message.STATUS_RECEIVED) {
2302                                return;
2303                            } else {
2304                                if (message.getStatus() == Message.STATUS_SEND_DISPLAYED) {
2305                                    this.messageList.add(i + 1,
2306                                            Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName())));
2307                                    return;
2308                                }
2309                            }
2310                        }
2311                    }
2312                }
2313            } else {
2314                final MucOptions mucOptions = conversation.getMucOptions();
2315                final List<MucOptions.User> allUsers = mucOptions.getUsers();
2316                final Set<ReadByMarker> addedMarkers = new HashSet<>();
2317                ChatState state = ChatState.COMPOSING;
2318                List<MucOptions.User> users = conversation.getMucOptions().getUsersWithChatState(state, 5);
2319                if (users.size() == 0) {
2320                    state = ChatState.PAUSED;
2321                    users = conversation.getMucOptions().getUsersWithChatState(state, 5);
2322                }
2323                if (mucOptions.isPrivateAndNonAnonymous()) {
2324                    for (int i = this.messageList.size() - 1; i >= 0; --i) {
2325                        final Set<ReadByMarker> markersForMessage = messageList.get(i).getReadByMarkers();
2326                        final List<MucOptions.User> shownMarkers = new ArrayList<>();
2327                        for (ReadByMarker marker : markersForMessage) {
2328                            if (!ReadByMarker.contains(marker, addedMarkers)) {
2329                                addedMarkers.add(marker); //may be put outside this condition. set should do dedup anyway
2330                                MucOptions.User user = mucOptions.findUser(marker);
2331                                if (user != null && !users.contains(user)) {
2332                                    shownMarkers.add(user);
2333                                }
2334                            }
2335                        }
2336                        final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
2337                        final Message statusMessage;
2338                        final int size = shownMarkers.size();
2339                        if (size > 1) {
2340                            final String body;
2341                            if (size <= 4) {
2342                                body = getString(R.string.contacts_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers));
2343                            } else if (ReadByMarker.allUsersRepresented(allUsers, markersForMessage, markerForSender)) {
2344                                body = getString(R.string.everyone_has_read_up_to_this_point);
2345                            } else {
2346                                body = getString(R.string.contacts_and_n_more_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers, 3), size - 3);
2347                            }
2348                            statusMessage = Message.createStatusMessage(conversation, body);
2349                            statusMessage.setCounterparts(shownMarkers);
2350                        } else if (size == 1) {
2351                            statusMessage = Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, UIHelper.getDisplayName(shownMarkers.get(0))));
2352                            statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
2353                            statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
2354                        } else {
2355                            statusMessage = null;
2356                        }
2357                        if (statusMessage != null) {
2358                            this.messageList.add(i + 1, statusMessage);
2359                        }
2360                        addedMarkers.add(markerForSender);
2361                        if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
2362                            break;
2363                        }
2364                    }
2365                }
2366                if (users.size() > 0) {
2367                    Message statusMessage;
2368                    if (users.size() == 1) {
2369                        MucOptions.User user = users.get(0);
2370                        int id = state == ChatState.COMPOSING ? R.string.contact_is_typing : R.string.contact_has_stopped_typing;
2371                        statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.getDisplayName(user)));
2372                        statusMessage.setTrueCounterpart(user.getRealJid());
2373                        statusMessage.setCounterpart(user.getFullJid());
2374                    } else {
2375                        int id = state == ChatState.COMPOSING ? R.string.contacts_are_typing : R.string.contacts_have_stopped_typing;
2376                        statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.concatNames(users)));
2377                        statusMessage.setCounterparts(users);
2378                    }
2379                    this.messageList.add(statusMessage);
2380                }
2381
2382            }
2383        }
2384    }
2385
2386    private void stopScrolling() {
2387        long now = SystemClock.uptimeMillis();
2388        MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
2389        binding.messagesView.dispatchTouchEvent(cancel);
2390    }
2391
2392    private boolean showLoadMoreMessages(final Conversation c) {
2393        if (activity == null || activity.xmppConnectionService == null) {
2394            return false;
2395        }
2396        final boolean mam = hasMamSupport(c) && !c.getContact().isBlocked();
2397        final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService();
2398        return mam && (c.getLastClearHistory().getTimestamp() != 0 || (c.countMessages() == 0 && c.messagesLoaded.get() && c.hasMessagesLeftOnServer() && !service.queryInProgress(c)));
2399    }
2400
2401    private boolean hasMamSupport(final Conversation c) {
2402        if (c.getMode() == Conversation.MODE_SINGLE) {
2403            final XmppConnection connection = c.getAccount().getXmppConnection();
2404            return connection != null && connection.getFeatures().mam();
2405        } else {
2406            return c.getMucOptions().mamSupport();
2407        }
2408    }
2409
2410    protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) {
2411        showSnackbar(message, action, clickListener, null);
2412    }
2413
2414    protected void showSnackbar(final int message, final int action, final OnClickListener clickListener, final View.OnLongClickListener longClickListener) {
2415        this.binding.snackbar.setVisibility(View.VISIBLE);
2416        this.binding.snackbar.setOnClickListener(null);
2417        this.binding.snackbarMessage.setText(message);
2418        this.binding.snackbarMessage.setOnClickListener(null);
2419        this.binding.snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
2420        if (action != 0) {
2421            this.binding.snackbarAction.setText(action);
2422        }
2423        this.binding.snackbarAction.setOnClickListener(clickListener);
2424        this.binding.snackbarAction.setOnLongClickListener(longClickListener);
2425    }
2426
2427    protected void hideSnackbar() {
2428        this.binding.snackbar.setVisibility(View.GONE);
2429    }
2430
2431    protected void sendMessage(Message message) {
2432        activity.xmppConnectionService.sendMessage(message);
2433        messageSent();
2434    }
2435
2436    protected void sendPgpMessage(final Message message) {
2437        final XmppConnectionService xmppService = activity.xmppConnectionService;
2438        final Contact contact = message.getConversation().getContact();
2439        if (!activity.hasPgp()) {
2440            activity.showInstallPgpDialog();
2441            return;
2442        }
2443        if (conversation.getAccount().getPgpSignature() == null) {
2444            activity.announcePgp(conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
2445            return;
2446        }
2447        if (!mSendingPgpMessage.compareAndSet(false, true)) {
2448            Log.d(Config.LOGTAG, "sending pgp message already in progress");
2449        }
2450        if (conversation.getMode() == Conversation.MODE_SINGLE) {
2451            if (contact.getPgpKeyId() != 0) {
2452                xmppService.getPgpEngine().hasKey(contact,
2453                        new UiCallback<Contact>() {
2454
2455                            @Override
2456                            public void userInputRequried(PendingIntent pi, Contact contact) {
2457                                startPendingIntent(pi, REQUEST_ENCRYPT_MESSAGE);
2458                            }
2459
2460                            @Override
2461                            public void success(Contact contact) {
2462                                encryptTextMessage(message);
2463                            }
2464
2465                            @Override
2466                            public void error(int error, Contact contact) {
2467                                activity.runOnUiThread(() -> Toast.makeText(activity,
2468                                        R.string.unable_to_connect_to_keychain,
2469                                        Toast.LENGTH_SHORT
2470                                ).show());
2471                                mSendingPgpMessage.set(false);
2472                            }
2473                        });
2474
2475            } else {
2476                showNoPGPKeyDialog(false, (dialog, which) -> {
2477                    conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2478                    xmppService.updateConversation(conversation);
2479                    message.setEncryption(Message.ENCRYPTION_NONE);
2480                    xmppService.sendMessage(message);
2481                    messageSent();
2482                });
2483            }
2484        } else {
2485            if (conversation.getMucOptions().pgpKeysInUse()) {
2486                if (!conversation.getMucOptions().everybodyHasKeys()) {
2487                    Toast warning = Toast
2488                            .makeText(getActivity(),
2489                                    R.string.missing_public_keys,
2490                                    Toast.LENGTH_LONG);
2491                    warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
2492                    warning.show();
2493                }
2494                encryptTextMessage(message);
2495            } else {
2496                showNoPGPKeyDialog(true, (dialog, which) -> {
2497                    conversation.setNextEncryption(Message.ENCRYPTION_NONE);
2498                    message.setEncryption(Message.ENCRYPTION_NONE);
2499                    xmppService.updateConversation(conversation);
2500                    xmppService.sendMessage(message);
2501                    messageSent();
2502                });
2503            }
2504        }
2505    }
2506
2507    public void encryptTextMessage(Message message) {
2508        activity.xmppConnectionService.getPgpEngine().encrypt(message,
2509                new UiCallback<Message>() {
2510
2511                    @Override
2512                    public void userInputRequried(PendingIntent pi, Message message) {
2513                        startPendingIntent(pi, REQUEST_SEND_MESSAGE);
2514                    }
2515
2516                    @Override
2517                    public void success(Message message) {
2518                        //TODO the following two call can be made before the callback
2519                        getActivity().runOnUiThread(() -> messageSent());
2520                    }
2521
2522                    @Override
2523                    public void error(final int error, Message message) {
2524                        getActivity().runOnUiThread(() -> {
2525                            doneSendingPgpMessage();
2526                            Toast.makeText(getActivity(), error == 0 ? R.string.unable_to_connect_to_keychain : error, Toast.LENGTH_SHORT).show();
2527                        });
2528
2529                    }
2530                });
2531    }
2532
2533    public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) {
2534        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
2535        builder.setIconAttribute(android.R.attr.alertDialogIcon);
2536        if (plural) {
2537            builder.setTitle(getString(R.string.no_pgp_keys));
2538            builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
2539        } else {
2540            builder.setTitle(getString(R.string.no_pgp_key));
2541            builder.setMessage(getText(R.string.contact_has_no_pgp_key));
2542        }
2543        builder.setNegativeButton(getString(R.string.cancel), null);
2544        builder.setPositiveButton(getString(R.string.send_unencrypted), listener);
2545        builder.create().show();
2546    }
2547
2548    public void appendText(String text, final boolean doNotAppend) {
2549        if (text == null) {
2550            return;
2551        }
2552        final Editable editable = this.binding.textinput.getText();
2553        String previous = editable == null ? "" : editable.toString();
2554        if (doNotAppend && !TextUtils.isEmpty(previous)) {
2555            Toast.makeText(getActivity(), R.string.already_drafting_message, Toast.LENGTH_LONG).show();
2556            return;
2557        }
2558        if (UIHelper.isLastLineQuote(previous)) {
2559            text = '\n' + text;
2560        } else if (previous.length() != 0 && !Character.isWhitespace(previous.charAt(previous.length() - 1))) {
2561            text = " " + text;
2562        }
2563        this.binding.textinput.append(text);
2564    }
2565
2566    @Override
2567    public boolean onEnterPressed() {
2568        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getActivity());
2569        final boolean enterIsSend = p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send));
2570        if (enterIsSend) {
2571            sendMessage();
2572            return true;
2573        } else {
2574            return false;
2575        }
2576    }
2577
2578    @Override
2579    public void onTypingStarted() {
2580        final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
2581        if (service == null) {
2582            return;
2583        }
2584        Account.State status = conversation.getAccount().getStatus();
2585        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
2586            service.sendChatState(conversation);
2587        }
2588        updateSendButton();
2589    }
2590
2591    @Override
2592    public void onTypingStopped() {
2593        final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
2594        if (service == null) {
2595            return;
2596        }
2597        Account.State status = conversation.getAccount().getStatus();
2598        if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
2599            service.sendChatState(conversation);
2600        }
2601    }
2602
2603    @Override
2604    public void onTextDeleted() {
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(Config.DEFAULT_CHATSTATE)) {
2611            service.sendChatState(conversation);
2612        }
2613        if (storeNextMessage()) {
2614            activity.onConversationsListItemUpdated();
2615        }
2616        updateSendButton();
2617    }
2618
2619    @Override
2620    public void onTextChanged() {
2621        if (conversation != null && conversation.getCorrectingMessage() != null) {
2622            updateSendButton();
2623        }
2624    }
2625
2626    @Override
2627    public boolean onTabPressed(boolean repeated) {
2628        if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
2629            return false;
2630        }
2631        if (repeated) {
2632            completionIndex++;
2633        } else {
2634            lastCompletionLength = 0;
2635            completionIndex = 0;
2636            final String content = this.binding.textinput.getText().toString();
2637            lastCompletionCursor = this.binding.textinput.getSelectionEnd();
2638            int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1 : 0;
2639            firstWord = start == 0;
2640            incomplete = content.substring(start, lastCompletionCursor);
2641        }
2642        List<String> completions = new ArrayList<>();
2643        for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
2644            String name = user.getName();
2645            if (name != null && name.startsWith(incomplete)) {
2646                completions.add(name + (firstWord ? ": " : " "));
2647            }
2648        }
2649        Collections.sort(completions);
2650        if (completions.size() > completionIndex) {
2651            String completion = completions.get(completionIndex).substring(incomplete.length());
2652            this.binding.textinput.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
2653            this.binding.textinput.getEditableText().insert(lastCompletionCursor, completion);
2654            lastCompletionLength = completion.length();
2655        } else {
2656            completionIndex = -1;
2657            this.binding.textinput.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
2658            lastCompletionLength = 0;
2659        }
2660        return true;
2661    }
2662
2663    private void startPendingIntent(PendingIntent pendingIntent, int requestCode) {
2664        try {
2665            getActivity().startIntentSenderForResult(pendingIntent.getIntentSender(), requestCode, null, 0, 0, 0);
2666        } catch (final SendIntentException ignored) {
2667        }
2668    }
2669
2670    @Override
2671    public void onBackendConnected() {
2672        Log.d(Config.LOGTAG, "ConversationFragment.onBackendConnected()");
2673        String uuid = pendingConversationsUuid.pop();
2674        if (uuid != null) {
2675            if (!findAndReInitByUuidOrArchive(uuid)) {
2676                return;
2677            }
2678        } else {
2679            if (!activity.xmppConnectionService.isConversationStillOpen(conversation)) {
2680                clearPending();
2681                activity.onConversationArchived(conversation);
2682                return;
2683            }
2684        }
2685        ActivityResult activityResult = postponedActivityResult.pop();
2686        if (activityResult != null) {
2687            handleActivityResult(activityResult);
2688        }
2689        clearPending();
2690    }
2691
2692    private boolean findAndReInitByUuidOrArchive(@NonNull final String uuid) {
2693        Conversation conversation = activity.xmppConnectionService.findConversationByUuid(uuid);
2694        if (conversation == null) {
2695            clearPending();
2696            activity.onConversationArchived(null);
2697            return false;
2698        }
2699        reInit(conversation);
2700        ScrollState scrollState = pendingScrollState.pop();
2701        String lastMessageUuid = pendingLastMessageUuid.pop();
2702        List<Attachment> attachments = pendingMediaPreviews.pop();
2703        if (scrollState != null) {
2704            setScrollPosition(scrollState, lastMessageUuid);
2705        }
2706        if (attachments != null && attachments.size() > 0) {
2707            Log.d(Config.LOGTAG, "had attachments on restore");
2708            mediaPreviewAdapter.addMediaPreviews(attachments);
2709            toggleInputMethod();
2710        }
2711        return true;
2712    }
2713
2714    private void clearPending() {
2715        if (postponedActivityResult.clear()) {
2716            Log.e(Config.LOGTAG, "cleared pending intent with unhandled result left");
2717        }
2718        if (pendingScrollState.clear()) {
2719            Log.e(Config.LOGTAG, "cleared scroll state");
2720        }
2721        if (pendingTakePhotoUri.clear()) {
2722            Log.e(Config.LOGTAG, "cleared pending photo uri");
2723        }
2724        if (pendingConversationsUuid.clear()) {
2725            Log.e(Config.LOGTAG,"cleared pending conversations uuid");
2726        }
2727        if (pendingMediaPreviews.clear()) {
2728            Log.e(Config.LOGTAG,"cleared pending media previews");
2729        }
2730    }
2731
2732    public Conversation getConversation() {
2733        return conversation;
2734    }
2735
2736    @Override
2737    public void onContactPictureLongClicked(View v, final Message message) {
2738        final String fingerprint;
2739        if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
2740            fingerprint = "pgp";
2741        } else {
2742            fingerprint = message.getFingerprint();
2743        }
2744        final PopupMenu popupMenu = new PopupMenu(getActivity(), v);
2745        final Contact contact = message.getContact();
2746        if (message.getStatus() <= Message.STATUS_RECEIVED && (contact == null  || !contact.isSelf())) {
2747            if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
2748                final Jid cp = message.getCounterpart();
2749                if (cp == null || cp.isBareJid()) {
2750                    return;
2751                }
2752                final Jid tcp = message.getTrueCounterpart();
2753                final User userByRealJid = tcp != null ? conversation.getMucOptions().findOrCreateUserByRealJid(tcp, cp) : null;
2754                final User user = userByRealJid != null ? userByRealJid : conversation.getMucOptions().findUserByFullJid(cp);
2755                popupMenu.inflate(R.menu.muc_details_context);
2756                final Menu menu = popupMenu.getMenu();
2757                MucDetailsContextMenuHelper.configureMucDetailsContextMenu(activity, menu, conversation, user);
2758                popupMenu.setOnMenuItemClickListener(menuItem -> MucDetailsContextMenuHelper.onContextItemSelected(menuItem, user, activity, fingerprint));
2759            } else {
2760                popupMenu.inflate(R.menu.one_on_one_context);
2761                popupMenu.setOnMenuItemClickListener(item -> {
2762                    switch (item.getItemId()) {
2763                        case R.id.action_contact_details:
2764                            activity.switchToContactDetails(message.getContact(), fingerprint);
2765                            break;
2766                        case R.id.action_show_qr_code:
2767                            activity.showQrCode("xmpp:" + message.getContact().getJid().asBareJid().toEscapedString());
2768                            break;
2769                    }
2770                    return true;
2771                });
2772            }
2773        } else {
2774            popupMenu.inflate(R.menu.account_context);
2775            final Menu menu = popupMenu.getMenu();
2776            menu.findItem(R.id.action_manage_accounts).setVisible(QuickConversationsService.isConversations());
2777            popupMenu.setOnMenuItemClickListener(item -> {
2778                switch (item.getItemId()) {
2779                    case R.id.action_show_qr_code:
2780                        activity.showQrCode(conversation.getAccount().getShareableUri());
2781                        break;
2782                    case R.id.action_account_details:
2783                        activity.switchToAccount(message.getConversation().getAccount(), fingerprint);
2784                        break;
2785                    case R.id.action_manage_accounts:
2786                        AccountUtils.launchManageAccounts(activity);
2787                        break;
2788                }
2789                return true;
2790            });
2791        }
2792        popupMenu.show();
2793    }
2794
2795    @Override
2796    public void onContactPictureClicked(Message message) {
2797        String fingerprint;
2798        if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
2799            fingerprint = "pgp";
2800        } else {
2801            fingerprint = message.getFingerprint();
2802        }
2803        final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
2804        if (received) {
2805            if (message.getConversation() instanceof Conversation && message.getConversation().getMode() == Conversation.MODE_MULTI) {
2806                Jid tcp = message.getTrueCounterpart();
2807                Jid user = message.getCounterpart();
2808                if (user != null && !user.isBareJid()) {
2809                    final MucOptions mucOptions = ((Conversation) message.getConversation()).getMucOptions();
2810                    if (mucOptions.participating() || ((Conversation) message.getConversation()).getNextCounterpart() != null) {
2811                        if (!mucOptions.isUserInRoom(user) && mucOptions.findUserByRealJid(tcp == null ? null : tcp.asBareJid()) == null) {
2812                            Toast.makeText(getActivity(), activity.getString(R.string.user_has_left_conference, user.getResource()), Toast.LENGTH_SHORT).show();
2813                        }
2814                        highlightInConference(user.getResource());
2815                    } else {
2816                        Toast.makeText(getActivity(), R.string.you_are_not_participating, Toast.LENGTH_SHORT).show();
2817                    }
2818                }
2819                return;
2820            } else {
2821                if (!message.getContact().isSelf()) {
2822                    activity.switchToContactDetails(message.getContact(), fingerprint);
2823                    return;
2824                }
2825            }
2826        }
2827        activity.switchToAccount(message.getConversation().getAccount(), fingerprint);
2828    }
2829}