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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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#import <SignalServiceKit/TSThread.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) TSThread *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 setTranslatesAutoresizingMaskIntoConstraints:NO];
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self.layoutMargins = UIEdgeInsetsZero;
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self.contentView.layoutMargins = UIEdgeInsetsZero;
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self.preservesSuperviewLayoutMargins = NO;
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self.contentView.preservesSuperviewLayoutMargins = NO;
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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 autoPinLeadingToSuperviewMarginWithInset:self.cellHMargin];
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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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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 autoPinTrailingToSuperviewMarginWithInset:self.cellHMargin];
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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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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 = UIStackViewAlignmentCenter;
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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.font = [UIFont ows_dynamicTypeCaption1Font];
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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 setContentHuggingHigh];
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[self.unreadBadge setCompressionResistanceHigh];
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[self.unreadBadge addSubview:self.unreadLabel];
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[self.unreadLabel autoVCenterInSuperview];
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[self.unreadLabel autoPinWidthToSuperview];
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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:(TSThread *)thread
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contactsManager:(OWSContactsManager *)contactsManager
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blockedPhoneNumberSet:(NSSet<NSString *> *)blockedPhoneNumberSet
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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 = ceil([HomeViewCell scaleValueWithDynamicType:5]);
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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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self.snippetLabel.attributedText =
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[self attributedSnippetForThread:thread blockedPhoneNumberSet:blockedPhoneNumberSet];
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self.dateTimeLabel.attributedText = [self attributedStringForDate:thread.lastMessageDate];
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self.dateTimeLabel.textColor = hasUnreadMessages ? [UIColor ows_materialBlueColor] : [UIColor ows_darkGrayColor];
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NSUInteger unreadCount = [[OWSMessageUtils sharedManager] unreadMessagesInThread:thread];
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if (unreadCount > 0) {
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[self.topRowView addArrangedSubview:self.unreadBadge];
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self.unreadLabel.font = [UIFont ows_dynamicTypeCaption1Font];
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self.unreadLabel.text = [OWSFormat formatInt:MIN(99, (int)unreadCount)];
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// TODO: Will this localize? It assumes that the worst case
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// unread count (99) will fit horizontally into some multiple
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// N of the font's line height.
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const int unreadBadgeSize = (int)ceil(self.unreadLabel.font.lineHeight * 1.5f);
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self.unreadBadge.layer.cornerRadius = unreadBadgeSize / 2;
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[self.viewConstraints addObjectsFromArray:@[
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[self.unreadBadge autoSetDimension:ALDimensionWidth toSize:unreadBadgeSize],
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[self.unreadBadge autoSetDimension:ALDimensionHeight toSize:unreadBadgeSize],
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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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TSThread *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 =
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[OWSAvatarBuilder buildImageForThread:thread diameter:self.avatarSize contactsManager:contactsManager];
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}
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- (NSAttributedString *)attributedSnippetForThread:(TSThread *)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_medium,
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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.lastMessageLabel.filterStringForDisplay;
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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_medium
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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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- (NSAttributedString *)attributedStringForDate:(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 [NSAttributedString new];
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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 [[NSAttributedString alloc] initWithString:dateTimeString
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attributes:@{
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NSForegroundColorAttributeName : [UIColor ows_darkGrayColor],
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NSFontAttributeName : self.dateTimeFont,
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}];
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}
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#pragma mark - Constants
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- (UIFont *)dateTimeFont
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{
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return [UIFont ows_dynamicTypeFootnoteFont];
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}
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- (UIFont *)snippetFont
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{
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return [UIFont ows_dynamicTypeFootnoteFont];
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}
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- (UIFont *)nameFont
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{
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return [UIFont ows_dynamicTypeBodyFont].ows_medium;
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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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+ (CGFloat)rowHeight
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{
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return 72;
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}
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- (NSUInteger)cellHMargin
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{
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return 16;
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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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#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;
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self.contactsManager = nil;
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[self.unreadBadge removeFromSuperview];
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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#pragma mark - Name
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- (void)otherUsersProfileDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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NSString *recipientId = notification.userInfo[kNSNotificationKey_ProfileRecipientId];
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if (recipientId.length == 0) {
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return;
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}
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if (![self.thread isKindOfClass:[TSContactThread class]]) {
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return;
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}
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if (![self.thread.contactIdentifier isEqualToString:recipientId]) {
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return;
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}
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[self updateNameLabel];
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[self updateAvatarView];
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}
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- (void)updateNameLabel
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{
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OWSAssertIsOnMainThread();
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self.nameLabel.font = self.nameFont;
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TSThread *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.nameLabel.attributedText = nil;
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return;
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}
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OWSContactsManager *contactsManager = self.contactsManager;
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if (contactsManager == nil) {
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OWSFail(@"%@ contacts manager should not be nil", self.logTag);
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self.nameLabel.attributedText = nil;
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return;
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}
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NSAttributedString *name;
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if (thread.isGroupThread) {
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if (thread.name.length == 0) {
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name = [[NSAttributedString alloc] initWithString:[MessageStrings newGroupDefaultTitle]];
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} else {
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name = [[NSAttributedString alloc] initWithString:thread.name];
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}
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} else {
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name = [contactsManager attributedStringForConversationTitleWithPhoneIdentifier:thread.contactIdentifier
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primaryFont:self.nameFont
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secondaryFont:self.nameSecondaryFont];
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}
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self.nameLabel.attributedText = name;
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|
|
}
|
|
|
|
|
|
@end
|
|
|
|
|
|
NS_ASSUME_NONNULL_END
|