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//
// MessageCell.m
// Juick
//
// Created by Vitaly Takmazov on 03/12/2017.
// Copyright © 2017 com.juick. All rights reserved.
//
#import "MessageCell.h"
#import "Entity.h"
#import "NSDate+TimeAgo.h"
@interface MessageCell()
@property(nonatomic, readonly) NSMutableParagraphStyle *quoteStyle;
@property(nonatomic, readonly) UIFont *boldFont;
@property(nonatomic, readonly) UIFont *italicFont;
- (void) updateAvatarWithUrl:(NSString *)avatarUrl;
@end
@implementation MessageCell
const NSString *unreadMarker = @"●";
- (void)awakeFromNib {
[super awakeFromNib];
self.text.dataDetectorTypes = UIDataDetectorTypeAll;
self.text.tintColor = [UIColor colorNamed:@"Title"];
self.title.textColor = [UIColor colorNamed:@"Title"];
self.timestamp.textColor = [UIColor colorNamed:@"Muted"];
self.summary.textColor = [UIColor colorNamed:@"Muted"];
UIGestureRecognizer *avatarTapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(avatarClicked:)];
[avatarTapRecognizer setEnabled:YES];
[self.avatar addGestureRecognizer:avatarTapRecognizer];
[self.avatar setUserInteractionEnabled:YES];
_quoteStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
_quoteStyle.firstLineHeadIndent = 12.0f;
_quoteStyle.headIndent = 12.0f;
_quoteStyle.paragraphSpacing = 6.0f;
UIFontDescriptor* fontDescriptor = [UIFontDescriptor
preferredFontDescriptorWithTextStyle:UIFontTextStyleBody];
UIFontDescriptor* boldFontDescriptor = [fontDescriptor
fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitBold];
_boldFont = [UIFont fontWithDescriptor:boldFontDescriptor size: 0.0];
UIFontDescriptor* italicFontDescriptor = [fontDescriptor
fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitItalic];
_italicFont = [UIFont fontWithDescriptor:italicFontDescriptor size: 0.0];
}
- (void) updateAvatarWithUrl:(NSString *)avatarUrl {
self.avatar.image = nil;
__weak UIImageView *weakAvatar = self.avatar;
[[AppDelegate shared].api fetchImageWithURL:[NSURL URLWithString:avatarUrl] callback:^(NSData *data) {
[UIView transitionWithView:weakAvatar
duration:0.3
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
weakAvatar.image = [UIImage imageWithData:data];
} completion:nil];
}];
}
- (void) configureWithMessage:(Message *)msg selectable:(BOOL)selectable {
self.selectionStyle = UITableViewCellSelectionStyleNone;
[self updateAvatarWithUrl:msg.user.avatar];
if (!msg.user.uid) {
__weak UILabel *title = self.title;
[[AppDelegate shared].api getUserByUri:msg.user.uri callback:^(User *user) {
title.text = user.uname;
NSString *avatarUrl = user.avatar ? user.avatar : [API defaultAvatarUrl];
[self updateAvatarWithUrl:avatarUrl];
}];
}
if ([msg.attach length] > 0) {
CGFloat imageHeight = [msg.attachment.small.height floatValue] / [[UIScreen mainScreen] scale];
CGFloat imageWidth = [msg.attachment.small.width floatValue] / [[UIScreen mainScreen] scale];
self.attach.image = [UIImage placeholderImageWithColor:[UIColor colorNamed:@"Muted"] size:CGSizeMake(imageWidth, imageHeight)];
self.attachmentHeight.constant = imageHeight;
self.attachmentWidth.constant = imageWidth;
__weak UIImageView *weakAttach = self.attach;
[[AppDelegate shared].api fetchImageWithURL:[NSURL URLWithString:msg.attachment.small.url] callback:^(NSData *data) {
[UIView transitionWithView:weakAttach
duration:0.3
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
weakAttach.image = [UIImage imageWithData:data];
}
completion:nil];
}];
} else {
self.attachmentHeight.constant = 0;
self.attach.image = nil;
}
self.title.text = msg.user.uname;
self.timestamp.text = [[[AppDelegate shared].sharedDateFormatter dateFromString:msg.timestamp] timeAgo];
NSUInteger count = [msg.repliesCount unsignedIntegerValue];
if (count > 0) {
if ([msg.repliesBy length] > 0) {
self.summary.text = [NSString stringWithFormat:@"%@ replies by %@", msg.repliesCount, msg.repliesBy];
} else {
self.summary.text = [NSString stringWithFormat:@"%@ replies", msg.repliesCount];
}
} else {
self.summary.text = nil;
}
if (msg.unread) {
self.summary.text = [NSString stringWithFormat:@"%@ %@", unreadMarker, self.summary.text];
self.summary.textColor = [UIColor colorNamed:@"Funny"];
} else {
self.summary.textColor = [UIColor colorNamed:@"Muted"];
}
self.text.attributedText = nil;
if (msg.text) {
[self.text setHidden:NO];
[self.text setSelectable:selectable];
[self.text setUserInteractionEnabled:selectable];
NSMutableAttributedString *txt = [[NSMutableAttributedString alloc]
initWithString:msg.text
attributes:@{NSFontAttributeName:[UIFont preferredFontForTextStyle:UIFontTextStyleBody],
NSForegroundColorAttributeName:[UIColor colorNamed:@"Text"]
}];
[txt beginEditing];
for (Entity *entity in msg.entities) {
NSUInteger start = entity.start ? [entity.start unsignedIntegerValue] : 0;
NSUInteger end = entity.end ? [entity.end unsignedIntegerValue] : 0;
NSString *text = entity.text ? entity.text : @"";
NSRange currentRange = NSMakeRange(start, end - start);
[txt addAttribute:@"displayText" value:text range:currentRange];
if ([entity.type isEqualToString:@"a"]) {
[txt addAttribute:NSLinkAttributeName value:entity.link range:currentRange];
}
if ([entity.type isEqualToString:@"q"]) {
[txt addAttribute:NSForegroundColorAttributeName value:[UIColor colorNamed:@"Muted"] range:currentRange];
[txt addAttribute:NSParagraphStyleAttributeName value:_quoteStyle range:currentRange];
}
if ([entity.type isEqualToString:@"u"]) {
[txt addAttribute:NSUnderlineStyleAttributeName value:@(NSUnderlineStyleSingle) range:currentRange];
}
if ([entity.type isEqualToString:@"b"]) {
[txt addAttribute:NSFontAttributeName value:_boldFont range:currentRange];
}
if ([entity.type isEqualToString:@"i"]) {
[txt addAttribute:NSFontAttributeName value:_italicFont range:currentRange];
}
}
[txt enumerateAttribute:@"displayText" inRange:NSMakeRange(0, [txt length]) options:0 usingBlock:^(id _Nullable value, NSRange range, BOOL * _Nonnull stop) {
if (value) {
[txt replaceCharactersInRange:range withString:value];
}
}];
if ([msg.tags count] > 0) {
NSString *tagsList = [NSString stringWithFormat:@"%@\n", [msg.tags componentsJoinedByString:@", "]];
[txt insertAttributedString:[[NSAttributedString alloc]
initWithString:tagsList
attributes:@{
NSFontAttributeName:_italicFont,
NSForegroundColorAttributeName:[UIColor colorNamed:@"Muted"]
}] atIndex:0];
}
[txt endEditing];
self.text.attributedText = txt;
} else {
[self.text setHidden:YES];
}
}
-(void) avatarClicked:(UIGestureRecognizer *)gestureRecognizer {
[self.delegate avatarClicked:self.title.text];
}
@end
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