ConversationFragment.java

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