Core Apps » ChatSecure:Android

                        if !disableAutomaticURLFetching, let room = thread as? OTRXMPPRoom, let message = message as? OTRXMPPRoomMessage {

                            // For room messages, default to safe mode

                            disableAutomaticURLFetching = true

                            if let senderJidString = message.senderJID, let senderJID = XMPPJID(string: senderJidString), let roomJID = room.roomJID, let occupant = OTRXMPPRoomOccupant.occupant(jid: senderJID, realJID: senderJID, roomJID: roomJID, accountId: thread.threadAccountIdentifier, createIfNeeded: false, transaction: transaction), occupant.buddy(with: transaction) != nil {

                                // We have a buddy, i.e. we are friends with the sender.

                                disableAutomaticURLFetching = false

                            }

                        }

@interface OTRMessagesViewController () <UITextViewDelegate, OTRAttachmentPickerDelegate, OTRYapViewHandlerDelegateProtocol, OTRMessagesCollectionViewFlowLayoutSizeProtocol, OTRMessagesCollectionViewFlowLayoutSupplementaryViewProtocol, OTRRoomOccupantsViewControllerDelegate> {

@property (nonatomic) BOOL automaticURLFetchingDisabled;

@property (nonatomic, strong) OTRMessagesUnknownSenderCell *prototypeCellUnknownSender;

    layout.supplementaryViewDelegate = self;

    UINib *nib = [UINib nibWithNibName:@"OTRMessageUnknownSenderCell" bundle:OTRAssets.resourcesBundle];

    [self.collectionView registerNib:nib forSupplementaryViewOfKind:[OTRMessagesUnknownSenderCell reuseIdentifier] withReuseIdentifier:[OTRMessagesUnknownSenderCell reuseIdentifier]];

        self.automaticURLFetchingDisabled = [[self accountWithTransaction:transaction] disableAutomaticURLFetching];

#pragma - mark OTRMessagesCollectionViewFlowLayoutSupplementaryViewProtocol

- (nullable NSArray *)supplementaryViewsForCellAtIndexPath:(NSIndexPath *)indexPath {

    id<OTRMessageProtocol,JSQMessageData> message = [self messageAtIndexPath:indexPath];

    if ([self isGroupChat] && [message isKindOfClass:[OTRGroupDownloadMessage class]]) {

        OTRGroupDownloadMessage *roomMessage = (OTRGroupDownloadMessage *)message;

        // A message that is not automatically downloaded, even though auto download not disabled, means that this is group download message from someone who is not our friend.

        if ([roomMessage.messageError isAutomaticDownloadError] && !self.automaticURLFetchingDisabled && [roomMessage.media isKindOfClass:[OTRImageItem class]]) {

            if (!_prototypeCellUnknownSender) {

                UINib *nib = [UINib nibWithNibName:@"OTRMessageUnknownSenderCell" bundle:OTRAssets.resourcesBundle];

                _prototypeCellUnknownSender = (OTRMessagesUnknownSenderCell *)[nib instantiateWithOwner:self options:nil][0];

            }

            [self populateUnknownSenderCell:_prototypeCellUnknownSender withMessage:message];

            [_prototypeCellUnknownSender setNeedsLayout];

            [_prototypeCellUnknownSender layoutIfNeeded];

            _prototypeCellUnknownSender.frame = CGRectMake(0, 0, self.collectionView.bounds.size.width, _prototypeCellUnknownSender.frame.size.height);

            int height = [_prototypeCellUnknownSender systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height + 1;

            OTRMessagesCollectionSupplementaryViewInfo *info = [[OTRMessagesCollectionSupplementaryViewInfo alloc] initWithKind:[OTRMessagesUnknownSenderCell reuseIdentifier] height:height];

            return [NSArray arrayWithObject:info];

        }

    }

    return nil;

}

- (void)populateUnknownSenderCell:(OTRMessagesUnknownSenderCell *)cell withMessage:(id<OTRMessageProtocol,JSQMessageData>)message {

    cell.titleLabel.text = [NSString stringWithFormat:ADD_FRIEND_TO_AUTO_DOWNLOAD(), message.senderDisplayName];

}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {

    if ([OTRMessagesUnknownSenderCell.reuseIdentifier isEqualToString:kind]) {

        id<OTRMessageProtocol,JSQMessageData> message = [self messageAtIndexPath:indexPath];

        OTRMessagesUnknownSenderCell *cell = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:kind forIndexPath:indexPath];

        [self populateUnknownSenderCell:cell withMessage:message];

        return cell;

    }

    // We should never get there, but if we do, don't return nil

    return [[UICollectionReusableView alloc] initWithFrame:CGRectZero];

}

        <collectionReusableView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" id="22J-kO-64R" customClass="OTRMessagesUnknownSenderCell" customModule="ChatSecureCore">

            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>

                    <fontDescription key="fontDescription" type="system" pointSize="12"/>

                    <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>

            <color key="backgroundColor" cocoaTouchSystemColor="groupTableViewBackgroundColor"/>

                <constraint firstAttribute="bottom" secondItem="tP4-Uw-Q8q" secondAttribute="bottom" constant="10" id="PTO-Cn-PH4"/>

                <constraint firstAttribute="trailing" secondItem="tP4-Uw-Q8q" secondAttribute="trailing" constant="10" id="ZqZ-wZ-92N"/>

                <constraint firstItem="tP4-Uw-Q8q" firstAttribute="leading" secondItem="22J-kO-64R" secondAttribute="leading" constant="10" id="lTY-I5-fsW"/>

                <constraint firstItem="tP4-Uw-Q8q" firstAttribute="top" secondItem="22J-kO-64R" secondAttribute="top" constant="10" id="vjV-ke-Pc2"/>

/** "Is %@ your friend? Add him/her to auto-download pictures in the future.", Shown in chat view to prompt user to add friend for auto-download of group media messages. */

FOUNDATION_EXPORT NSString* ADD_FRIEND_TO_AUTO_DOWNLOAD();

/** "Is %@ your friend? Add him/her to auto-download pictures in the future.", Shown in chat view to prompt user to add friend for auto-download of group media messages. */

NSString* ADD_FRIEND_TO_AUTO_DOWNLOAD() { return [OTRLanguageManager translatedString:@"Is %@ your friend? Add him/her to auto-download pictures in the future."]; }

    }, "ADD_FRIEND_TO_AUTO_DOWNLOAD": {

        "comment": "Shown in chat view to prompt user to add friend for auto-download of group media messages.",

        "string": "Is %@ your friend? Add him/her to auto-download pictures in the future."