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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "HomeViewCell.h"
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#import "OWSAvatarBuilder.h"
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#import "Signal-Swift.h"
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#import <SignalMessaging/OWSFormat.h>
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#import <SignalMessaging/OWSMath.h>
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#import <SignalMessaging/OWSUserProfile.h>
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#import <SignalMessaging/SignalMessaging-Swift.h>
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#import <SignalServiceKit/OWSMessageManager.h>
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#import <SignalServiceKit/TSContactThread.h>
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#import <SignalServiceKit/TSGroupThread.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface HomeViewCell ()
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@property (nonatomic) AvatarImageView *avatarView;
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@property (nonatomic) UIStackView *payloadView;
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@property (nonatomic) UIStackView *topRowView;
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@property (nonatomic) UILabel *nameLabel;
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@property (nonatomic) UILabel *snippetLabel;
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@property (nonatomic) UILabel *dateTimeLabel;
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@property (nonatomic) UIView *unreadBadge;
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@property (nonatomic) UILabel *unreadLabel;
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@property (nonatomic, nullable) ThreadViewModel *thread;
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@property (nonatomic, nullable) OWSContactsManager *contactsManager;
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@property (nonatomic, readonly) NSMutableArray<NSLayoutConstraint *> *viewConstraints;
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@end
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#pragma mark -
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@implementation HomeViewCell
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- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(nullable NSString *)reuseIdentifier
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{
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if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
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[self commontInit];
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}
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return self;
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}
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// `[UIView init]` invokes `[self initWithFrame:...]`.
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame]) {
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[self commontInit];
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}
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return self;
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}
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- (void)commontInit
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{
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OWSAssert(!self.avatarView);
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self.backgroundColor = [UIColor whiteColor];
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_viewConstraints = [NSMutableArray new];
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self.avatarView = [[AvatarImageView alloc] init];
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[self.contentView addSubview:self.avatarView];
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[self.avatarView autoSetDimension:ALDimensionWidth toSize:self.avatarSize];
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[self.avatarView autoSetDimension:ALDimensionHeight toSize:self.avatarSize];
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[self.avatarView autoPinLeadingToSuperviewMargin];
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[self.avatarView autoVCenterInSuperview];
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[self.avatarView setContentHuggingHigh];
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[self.avatarView setCompressionResistanceHigh];
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// Ensure that the cell's contents never overflow the cell bounds.
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[self.avatarView autoPinEdgeToSuperviewMargin:ALEdgeTop relation:NSLayoutRelationGreaterThanOrEqual];
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[self.avatarView autoPinEdgeToSuperviewMargin:ALEdgeBottom relation:NSLayoutRelationGreaterThanOrEqual];
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self.payloadView = [UIStackView new];
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self.payloadView.axis = UILayoutConstraintAxisVertical;
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[self.contentView addSubview:self.payloadView];
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[self.payloadView autoPinLeadingToTrailingEdgeOfView:self.avatarView offset:self.avatarHSpacing];
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[self.payloadView autoVCenterInSuperview];
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// Ensure that the cell's contents never overflow the cell bounds.
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[self.payloadView autoPinEdgeToSuperviewMargin:ALEdgeTop relation:NSLayoutRelationGreaterThanOrEqual];
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[self.payloadView autoPinEdgeToSuperviewMargin:ALEdgeBottom relation:NSLayoutRelationGreaterThanOrEqual];
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// We pin the payloadView traillingEdge later, as part of the "Unread Badge" logic.
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self.nameLabel = [UILabel new];
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self.nameLabel.lineBreakMode = NSLineBreakByTruncatingTail;
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self.nameLabel.font = self.nameFont;
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[self.nameLabel setContentHuggingHorizontalLow];
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[self.nameLabel setCompressionResistanceHorizontalLow];
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self.dateTimeLabel = [UILabel new];
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[self.dateTimeLabel setContentHuggingHorizontalHigh];
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[self.dateTimeLabel setCompressionResistanceHorizontalHigh];
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self.topRowView = [[UIStackView alloc] initWithArrangedSubviews:@[
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self.nameLabel,
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self.dateTimeLabel,
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]];
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self.topRowView.axis = UILayoutConstraintAxisHorizontal;
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self.topRowView.alignment = UIStackViewAlignmentLastBaseline;
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[self.payloadView addArrangedSubview:self.topRowView];
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self.snippetLabel = [UILabel new];
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self.snippetLabel.font = [self snippetFont];
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self.snippetLabel.numberOfLines = 1;
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self.snippetLabel.lineBreakMode = NSLineBreakByTruncatingTail;
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[self.payloadView addArrangedSubview:self.snippetLabel];
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[self.snippetLabel setContentHuggingHorizontalLow];
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[self.snippetLabel setCompressionResistanceHorizontalLow];
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self.unreadLabel = [UILabel new];
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self.unreadLabel.textColor = [UIColor whiteColor];
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self.unreadLabel.lineBreakMode = NSLineBreakByTruncatingTail;
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self.unreadLabel.textAlignment = NSTextAlignmentCenter;
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self.unreadBadge = [NeverClearView new];
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self.unreadBadge.backgroundColor = [UIColor ows_materialBlueColor];
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[self.unreadBadge addSubview:self.unreadLabel];
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[self.unreadLabel autoCenterInSuperview];
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[self.unreadLabel setContentHuggingHigh];
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[self.unreadLabel setCompressionResistanceHigh];
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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+ (NSString *)cellReuseIdentifier
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{
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return NSStringFromClass([self class]);
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}
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- (void)initializeLayout
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{
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self.selectionStyle = UITableViewCellSelectionStyleDefault;
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}
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- (nullable NSString *)reuseIdentifier
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{
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return NSStringFromClass(self.class);
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}
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- (void)configureWithThread:(ThreadViewModel *)thread
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contactsManager:(OWSContactsManager *)contactsManager
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blockedPhoneNumberSet:(NSSet<NSString *> *)blockedPhoneNumberSet
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{
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[self configureWithThread:thread
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contactsManager:contactsManager
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blockedPhoneNumberSet:blockedPhoneNumberSet
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overrideSnippet:nil
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overrideDate:nil];
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}
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- (void)configureWithThread:(ThreadViewModel *)thread
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contactsManager:(OWSContactsManager *)contactsManager
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blockedPhoneNumberSet:(NSSet<NSString *> *)blockedPhoneNumberSet
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overrideSnippet:(nullable NSAttributedString *)overrideSnippet
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overrideDate:(nullable NSDate *)overrideDate
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{
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OWSAssertIsOnMainThread();
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OWSAssert(thread);
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OWSAssert(contactsManager);
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OWSAssert(blockedPhoneNumberSet);
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self.thread = thread;
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self.contactsManager = contactsManager;
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BOOL hasUnreadMessages = thread.hasUnreadMessages;
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(otherUsersProfileDidChange:)
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name:kNSNotificationName_OtherUsersProfileDidChange
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object:nil];
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[self updateNameLabel];
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[self updateAvatarView];
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self.payloadView.spacing = 0.f;
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self.topRowView.spacing = self.topRowHSpacing;
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// We update the fonts every time this cell is configured to ensure that
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// changes to the dynamic type settings are reflected.
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self.snippetLabel.font = [self snippetFont];
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if (overrideSnippet) {
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self.snippetLabel.attributedText = overrideSnippet;
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} else {
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self.snippetLabel.attributedText =
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[self attributedSnippetForThread:thread blockedPhoneNumberSet:blockedPhoneNumberSet];
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}
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self.dateTimeLabel.text
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= (overrideDate ? [self stringForDate:overrideDate] : [self stringForDate:thread.lastMessageDate]);
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if (hasUnreadMessages && overrideSnippet == nil) {
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self.dateTimeLabel.textColor = [UIColor ows_blackColor];
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self.dateTimeLabel.font = self.unreadFont.ows_mediumWeight;
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} else {
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self.dateTimeLabel.textColor = [UIColor lightGrayColor];
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self.dateTimeLabel.font = self.unreadFont;
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}
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NSUInteger unreadCount = thread.unreadCount;
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if (unreadCount == 0 || overrideSnippet != nil) {
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[self.viewConstraints addObject:[self.payloadView autoPinTrailingToSuperviewMargin]];
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} else {
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[self.contentView addSubview:self.unreadBadge];
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self.unreadLabel.text = [OWSFormat formatInt:(int)unreadCount];
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self.unreadLabel.font = self.unreadFont;
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const int unreadBadgeHeight = (int)ceil(self.unreadLabel.font.lineHeight * 1.5f);
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self.unreadBadge.layer.cornerRadius = unreadBadgeHeight / 2;
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[NSLayoutConstraint autoSetPriority:UILayoutPriorityDefaultHigh
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forConstraints:^{
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// This is a bit arbitrary, but it should scale with the size of dynamic text
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CGFloat minMargin = CeilEven(unreadBadgeHeight * .5);
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// Spec check. Should be 12pts (6pt on each side) when using default font size.
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OWSAssert(UIFont.ows_dynamicTypeBodyFont.pointSize != 17 || minMargin == 12);
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[self.viewConstraints addObjectsFromArray:@[
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[self.unreadBadge autoMatchDimension:ALDimensionWidth
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toDimension:ALDimensionWidth
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ofView:self.unreadLabel
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withOffset:minMargin],
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// badge sizing
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[self.unreadBadge autoSetDimension:ALDimensionWidth
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toSize:unreadBadgeHeight
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relation:NSLayoutRelationGreaterThanOrEqual],
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[self.unreadBadge autoSetDimension:ALDimensionHeight toSize:unreadBadgeHeight],
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]];
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}];
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const CGFloat kMinVMargin = 5;
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[self.viewConstraints addObjectsFromArray:@[
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// Horizontally, badge is inserted after the tail of the payloadView, pushing back the date *and* snippet
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// view
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[self.payloadView autoPinEdge:ALEdgeTrailing
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toEdge:ALEdgeLeading
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ofView:self.unreadBadge
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withOffset:-self.topRowHSpacing],
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[self.unreadBadge autoPinTrailingToSuperviewMargin],
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[self.unreadBadge autoPinEdgeToSuperviewEdge:ALEdgeTop
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withInset:kMinVMargin
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relation:NSLayoutRelationGreaterThanOrEqual],
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[self.unreadBadge autoPinEdgeToSuperviewEdge:ALEdgeBottom
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withInset:kMinVMargin
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relation:NSLayoutRelationGreaterThanOrEqual],
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// Vertically, badge is positioned vertically by aligning it's label *subview's* baseline.
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// This allows us a single visual baseline of text across the top row across [name, dateTime,
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// optional(unread count)]
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[self.unreadLabel autoAlignAxis:ALAxisBaseline toSameAxisOfView:self.dateTimeLabel]
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]];
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}
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}
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- (void)updateAvatarView
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{
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OWSContactsManager *contactsManager = self.contactsManager;
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if (contactsManager == nil) {
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OWSFail(@"%@ contactsManager should not be nil", self.logTag);
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self.avatarView.image = nil;
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return;
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}
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ThreadViewModel *thread = self.thread;
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if (thread == nil) {
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OWSFail(@"%@ thread should not be nil", self.logTag);
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self.avatarView.image = nil;
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return;
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}
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self.avatarView.image = [OWSAvatarBuilder buildImageForThread:thread.threadRecord
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diameter:self.avatarSize
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contactsManager:contactsManager];
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}
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- (NSAttributedString *)attributedSnippetForThread:(ThreadViewModel *)thread
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blockedPhoneNumberSet:(NSSet<NSString *> *)blockedPhoneNumberSet
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{
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OWSAssert(thread);
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BOOL isBlocked = NO;
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if (!thread.isGroupThread) {
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NSString *contactIdentifier = thread.contactIdentifier;
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isBlocked = [blockedPhoneNumberSet containsObject:contactIdentifier];
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}
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BOOL hasUnreadMessages = thread.hasUnreadMessages;
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NSMutableAttributedString *snippetText = [NSMutableAttributedString new];
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if (isBlocked) {
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// If thread is blocked, don't show a snippet or mute status.
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[snippetText
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appendAttributedString:[[NSAttributedString alloc]
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initWithString:NSLocalizedString(@"HOME_VIEW_BLOCKED_CONTACT_CONVERSATION",
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@"A label for conversations with blocked users.")
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attributes:@{
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NSFontAttributeName : self.snippetFont.ows_mediumWeight,
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NSForegroundColorAttributeName : [UIColor ows_blackColor],
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}]];
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} else {
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if ([thread isMuted]) {
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[snippetText appendAttributedString:[[NSAttributedString alloc]
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initWithString:@"\ue067 "
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attributes:@{
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NSFontAttributeName : [UIFont ows_elegantIconsFont:9.f],
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NSForegroundColorAttributeName : (hasUnreadMessages
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? [UIColor colorWithWhite:0.1f alpha:1.f]
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: [UIColor lightGrayColor]),
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}]];
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}
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NSString *displayableText = thread.lastMessageText;
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if (displayableText) {
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[snippetText appendAttributedString:[[NSAttributedString alloc]
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initWithString:displayableText
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attributes:@{
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NSFontAttributeName :
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(hasUnreadMessages ? self.snippetFont.ows_mediumWeight
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: self.snippetFont),
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NSForegroundColorAttributeName :
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(hasUnreadMessages ? [UIColor ows_blackColor]
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: [UIColor lightGrayColor]),
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}]];
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}
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}
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return snippetText;
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}
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#pragma mark - Date formatting
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- (NSString *)stringForDate:(nullable NSDate *)date
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{
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if (date == nil) {
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OWSProdLogAndFail(@"%@ date was unexpectedly nil", self.logTag);
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return @"";
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}
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NSString *dateTimeString;
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if (![DateUtil dateIsThisYear:date]) {
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dateTimeString = [[DateUtil dateFormatter] stringFromDate:date];
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} else if ([DateUtil dateIsOlderThanOneWeek:date]) {
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dateTimeString = [[DateUtil monthAndDayFormatter] stringFromDate:date];
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} else if ([DateUtil dateIsOlderThanToday:date]) {
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dateTimeString = [[DateUtil shortDayOfWeekFormatter] stringFromDate:date];
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} else {
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dateTimeString = [[DateUtil timeFormatter] stringFromDate:date];
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}
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return dateTimeString.uppercaseString;
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}
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#pragma mark - Constants
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- (UIFont *)unreadFont
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{
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return [UIFont ows_dynamicTypeCaption1Font].ows_mediumWeight;
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}
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- (UIFont *)snippetFont
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{
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return [UIFont ows_dynamicTypeSubheadlineFont];
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}
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- (UIFont *)nameFont
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{
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return [UIFont ows_dynamicTypeBodyFont].ows_mediumWeight;
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}
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// Used for profile names.
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- (UIFont *)nameSecondaryFont
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{
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return [UIFont ows_dynamicTypeFootnoteFont];
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}
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// A simple function to scale dimensions to reflect dynamic type. Given a value
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// we lerp it larger linearly to reflect size of dynamic type relative to a
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// reference value for default dynamic type sizes.
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//
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// * We _NEVER_ scale values down.
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// * We cap scaling.
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+ (CGFloat)scaleValueWithDynamicType:(CGFloat)minValue
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{
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// The default size of dynamic "body" type.
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const NSUInteger kReferenceFontSizeMin = 17.f;
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CGFloat referenceFontSize = UIFont.ows_dynamicTypeBodyFont.pointSize;
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CGFloat alpha = CGFloatClamp(referenceFontSize / kReferenceFontSizeMin, 1.f, 1.3f);
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return minValue * alpha;
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}
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- (NSUInteger)avatarSize
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{
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return 48.f;
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}
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- (NSUInteger)avatarHSpacing
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{
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return 12.f;
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}
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// Using an NSUInteger precludes us from negating this value
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- (CGFloat)topRowHSpacing
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{
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return ceil([HomeViewCell scaleValueWithDynamicType:5]);
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}
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#pragma mark - Reuse
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- (void)prepareForReuse
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{
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[super prepareForReuse];
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[NSLayoutConstraint deactivateConstraints:self.viewConstraints];
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[self.viewConstraints removeAllObjects];
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|
self.thread = nil;
|
|
|
self.contactsManager = nil;
|
|
|
self.avatarView.image = nil;
|
|
|
|
|
|
[self.unreadBadge removeFromSuperview];
|
|
|
|
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
|
}
|
|
|
|
|
|
#pragma mark - Name
|
|
|
|
|
|
- (void)otherUsersProfileDidChange:(NSNotification *)notification
|
|
|
{
|
|
|
OWSAssertIsOnMainThread();
|
|
|
|
|
|
NSString *recipientId = notification.userInfo[kNSNotificationKey_ProfileRecipientId];
|
|
|
if (recipientId.length == 0) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (![self.thread isKindOfClass:[TSContactThread class]]) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (![self.thread.contactIdentifier isEqualToString:recipientId]) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
[self updateNameLabel];
|
|
|
[self updateAvatarView];
|
|
|
}
|
|
|
|
|
|
- (void)updateNameLabel
|
|
|
{
|
|
|
OWSAssertIsOnMainThread();
|
|
|
|
|
|
self.nameLabel.font = self.nameFont;
|
|
|
|
|
|
ThreadViewModel *thread = self.thread;
|
|
|
if (thread == nil) {
|
|
|
OWSFail(@"%@ thread should not be nil", self.logTag);
|
|
|
self.nameLabel.attributedText = nil;
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
OWSContactsManager *contactsManager = self.contactsManager;
|
|
|
if (contactsManager == nil) {
|
|
|
OWSFail(@"%@ contacts manager should not be nil", self.logTag);
|
|
|
self.nameLabel.attributedText = nil;
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
NSAttributedString *name;
|
|
|
if (thread.isGroupThread) {
|
|
|
if (thread.name.length == 0) {
|
|
|
name = [[NSAttributedString alloc] initWithString:[MessageStrings newGroupDefaultTitle]];
|
|
|
} else {
|
|
|
name = [[NSAttributedString alloc] initWithString:thread.name];
|
|
|
}
|
|
|
} else {
|
|
|
name = [contactsManager attributedStringForConversationTitleWithPhoneIdentifier:thread.contactIdentifier
|
|
|
primaryFont:self.nameFont
|
|
|
secondaryFont:self.nameSecondaryFont];
|
|
|
}
|
|
|
|
|
|
self.nameLabel.attributedText = name;
|
|
|
}
|
|
|
|
|
|
@end
|
|
|
|
|
|
NS_ASSUME_NONNULL_END
|