element-ios/Riot/Modules/Room/TimelineCells/Styles/Plain/Cells/Sticker/RoomSelectedStickerBubbleCell.m

/*
Copyright 2018-2024 New Vector Ltd.

SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
 */

#import "RoomSelectedStickerBubbleCell.h"

#import "RoomEncryptedDataBubbleCell.h"

#import "RoomIncomingAttachmentBubbleCell.h"
#import "RoomIncomingAttachmentWithoutSenderInfoBubbleCell.h"
#import "RoomIncomingAttachmentWithPaginationTitleBubbleCell.h"
#import "RoomIncomingEncryptedAttachmentBubbleCell.h"
#import "RoomIncomingEncryptedAttachmentWithoutSenderInfoBubbleCell.h"

#import "ThemeService.h"
#import "GeneratedInterface-Swift.h"

@implementation RoomSelectedStickerBubbleCell

- (void)awakeFromNib
{
    [super awakeFromNib];
    
    // define arrow mask
    CAShapeLayer *arrowMaskLayer = [[CAShapeLayer alloc] init];
    arrowMaskLayer.frame = self.arrowView.bounds;
    CGSize viewSize = self.arrowView.frame.size;
    UIBezierPath *path = [[UIBezierPath alloc] init];
    [path moveToPoint:CGPointMake(0, viewSize.height)]; // arrow left bottom point
    [path addLineToPoint:CGPointMake(viewSize.width / 2, 0)]; // arrow head
    [path addLineToPoint:CGPointMake(viewSize.width, viewSize.height)]; // arrow right bottom point
    [path closePath]; // arrow top side
    arrowMaskLayer.path = path.CGPath;
    self.arrowView.layer.mask = arrowMaskLayer;
    
    self.arrowView.backgroundColor = ThemeService.shared.theme.headerBackgroundColor;
    self.descriptionView.backgroundColor = ThemeService.shared.theme.headerBackgroundColor;
    [self.descriptionView.layer setCornerRadius:10];
}

- (void)render:(MXKCellData *)cellData
{
    [self prepareRender:cellData];
    
    if (bubbleData)
    {
        // Retrieve the component which stores the sticker (Only one component is handled by the bubble in case of sticker).
        MXKRoomBubbleComponent *component = bubbleData.bubbleComponents.firstObject;
        
        // Handle the pagination and the sender information
        // Look for the original cell class to extract the constraints value.
        Class<MXKCellRendering> modelCellViewClass = nil;
        if (bubbleData.shouldHideSenderInformation)
        {
            modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentWithoutSenderInfoBubbleCell.class : RoomIncomingAttachmentWithoutSenderInfoBubbleCell.class;
            
            self.paginationTitleView.hidden = YES;
            self.pictureView.hidden = YES;
            self.userNameLabel.hidden = YES;
            self.userNameTapGestureMaskView.userInteractionEnabled = NO;
        }
        else
        {
            if (bubbleData.isPaginationFirstBubble)
            {
                modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentWithPaginationTitleBubbleCell.class : RoomIncomingAttachmentWithPaginationTitleBubbleCell.class;
                
                self.paginationTitleView.hidden = NO;
                self.paginationLabel.text = [[bubbleData.eventFormatter dateStringFromDate:bubbleData.date withTime:NO] uppercaseString];
            }
            else
            {
                modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentBubbleCell.class : RoomIncomingAttachmentBubbleCell.class;
                
                self.paginationTitleView.hidden = YES;
            }
            
            // Hanlde sender avatar (Supposed his avatar is stored unencrypted on Matrix media repo)
            self.pictureView.hidden = NO;
            
            self.pictureView.enableInMemoryCache = YES;
            [self.pictureView setImageURI:bubbleData.senderAvatarUrl
                                 withType:nil
                      andImageOrientation:UIImageOrientationUp
                            toFitViewSize:self.pictureView.frame.size
                               withMethod:MXThumbnailingMethodCrop
                             previewImage:bubbleData.senderAvatarPlaceholder ? bubbleData.senderAvatarPlaceholder : self.picturePlaceholder
                             mediaManager:bubbleData.mxSession.mediaManager];
            
            // Display sender's name except if the name appears in the displayed text (see emote and membership events)
            if (bubbleData.shouldHideSenderName == NO)
            {
                self.userNameLabel.text = bubbleData.senderDisplayName;
                self.userNameLabel.hidden = NO;
                self.userNameTapGestureMaskView.userInteractionEnabled = YES;
            }
            else
            {
                self.userNameLabel.hidden = YES;
                self.userNameTapGestureMaskView.userInteractionEnabled = NO;
            }
        }
        
        RoomTimelineConfiguration *timelineConfiguration = [RoomTimelineConfiguration shared];
        
        [timelineConfiguration.currentStyle.cellLayoutUpdater updateLayoutForSelectedStickerCell:self];
        
        // Retrieve the suitable content size for the attachment thumbnail
        CGSize contentSize = bubbleData.contentSize;
        // Update image view frame in order to center loading wheel (if any)
        CGRect frame = self.attachmentView.frame;
        frame.size.width = contentSize.width;
        frame.size.height = contentSize.height;
        self.attachmentView.frame = frame;
        // Retrieve the MIME type
        NSString *mimetype = nil;
        if (bubbleData.attachment.thumbnailInfo)
        {
            mimetype = bubbleData.attachment.thumbnailInfo[@"mimetype"];
        }
        else if (bubbleData.attachment.contentInfo)
        {
            mimetype = bubbleData.attachment.contentInfo[@"mimetype"];
        }
        
        // Display the sticker
        self.attachmentView.backgroundColor = [UIColor clearColor];
        [self.attachmentView setAttachmentThumb:bubbleData.attachment];
        
        // Set the description
        NSAttributedString *description = component.attributedTextMessage;
        if (description.length)
        {
            self.descriptionContainerView.hidden = NO;
            self.descriptionLabel.attributedText = description;
        }
        else
        {
            self.descriptionContainerView.hidden = YES;
        }
        
        // Adjust Attachment width constant
        self.attachViewWidthConstraint.constant = contentSize.width;
        
        // Handle the encryption view
        if (bubbleData.isEncryptedRoom)
        {
            // Set the right device info icon
            self.encryptionStatusView.hidden = NO;
            self.encryptionStatusView.image = [RoomEncryptedDataBubbleCell encryptionIconForBubbleComponent:component];
        }
        else
        {
            self.encryptionStatusView.hidden = YES;
        }
        
        // Hide by default the info container
        self.bubbleInfoContainer.hidden = YES;
        
        // Adjust the layout according to the original cell, the one used to display the sticker unselected.
        if ([modelCellViewClass nib])
        {
            MXKRoomBubbleTableViewCell* cell= (MXKRoomBubbleTableViewCell*)[[modelCellViewClass nib] instantiateWithOwner:nil options:nil].firstObject;
            
            if (cell.userNameLabel)
            {
                frame = cell.userNameLabel.frame;
                self.userNameLabelTopConstraint.constant = frame.origin.y;
            }
            frame = cell.attachmentView.frame;
            self.attachViewLeadingConstraint.constant = frame.origin.x;
            self.attachViewTopConstraint.constant = cell.attachViewTopConstraint.constant;
            self.attachViewBottomConstraint.constant = cell.attachViewBottomConstraint.constant;
            self.bubbleInfoContainerTopConstraint.constant = cell.bubbleInfoContainerTopConstraint.constant;
        }
    }
}

+ (CGFloat)heightForCellData:(MXKCellData*)cellData withMaximumWidth:(CGFloat)maxWidth
{
    // Sanity check: accept only object of MXKRoomBubbleCellData classes or sub-classes
    NSParameterAssert([cellData isKindOfClass:[MXKRoomBubbleCellData class]]);
    MXKRoomBubbleCellData *bubbleData = (MXKRoomBubbleCellData*)cellData;
    
    // Look for the original cell class to extract the constraints value.
    Class modelCellViewClass = nil;
    if (bubbleData.shouldHideSenderInformation)
    {
        modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentWithoutSenderInfoBubbleCell.class : RoomIncomingAttachmentWithoutSenderInfoBubbleCell.class;
    }
    else
    {
        if (bubbleData.isPaginationFirstBubble)
        {
            modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentWithPaginationTitleBubbleCell.class : RoomIncomingAttachmentWithPaginationTitleBubbleCell.class;
        }
        else
        {
            modelCellViewClass = bubbleData.isEncryptedRoom ? RoomIncomingEncryptedAttachmentBubbleCell.class : RoomIncomingAttachmentBubbleCell.class;
        }
    }
    
    CGFloat rowHeight = [modelCellViewClass heightForCellData:cellData withMaximumWidth:maxWidth];
    
    // Finalize the cell height by adding the height of the description.
    // Retrieve the component which stores the sticker (Only one component is handled by the bubble in case of sticker).
    MXKRoomBubbleComponent *component = bubbleData.bubbleComponents.firstObject;
    NSAttributedString *description = component.attributedTextMessage;
    if (description.length)
    {
        RoomSelectedStickerBubbleCell* cell = (RoomSelectedStickerBubbleCell*)[self cellWithOriginalXib];
        CGRect frame = cell.frame;
        frame.size.width = maxWidth;
        frame.size.height = 300;
        cell.frame = frame;
        
        cell.descriptionLabel.attributedText = description;
        [cell layoutIfNeeded];
        
        rowHeight += cell.descriptionContainerView.frame.size.height + cell.descriptionContainerViewBottomConstraint.constant;
    }
    
    return rowHeight;
}

@end