500 lines
22 KiB
Swift
500 lines
22 KiB
Swift
//
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// TimelineStatusCollectionViewCell.swift
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// Tusker
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//
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// Created by Shadowfacts on 10/1/22.
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// Copyright © 2022 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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@MainActor
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protocol TimelineStatusCollectionViewCellDelegate: AnyObject, TuskerNavigationDelegate, MenuActionProvider {
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func statusCellCollapsedStateChanged(_ cell: TimelineStatusCollectionViewCell)
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}
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class TimelineStatusCollectionViewCell: UICollectionViewListCell {
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// MARK: Subviews
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private let reblogLabel = EmojiLabel().configure {
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$0.textColor = .secondaryLabel
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// this needs to have a higher priorty than the content container's zero height constraint
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$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
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// TODO: tap gesture
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// $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
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}
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private lazy var mainContainer = UIView().configure {
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avatarImageView.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(avatarImageView)
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contentVStack.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(contentVStack)
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metaIndicatorsView.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(metaIndicatorsView)
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NSLayoutConstraint.activate([
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avatarImageView.leadingAnchor.constraint(equalTo: $0.leadingAnchor),
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avatarImageView.topAnchor.constraint(equalTo: $0.topAnchor),
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contentVStack.leadingAnchor.constraint(equalTo: avatarImageView.trailingAnchor, constant: 8),
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contentVStack.trailingAnchor.constraint(equalTo: $0.trailingAnchor),
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contentVStack.topAnchor.constraint(equalTo: $0.topAnchor),
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contentVStack.bottomAnchor.constraint(equalTo: $0.bottomAnchor),
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metaIndicatorsView.leadingAnchor.constraint(greaterThanOrEqualTo: $0.leadingAnchor),
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metaIndicatorsView.trailingAnchor.constraint(equalTo: avatarImageView.trailingAnchor),
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metaIndicatorsView.topAnchor.constraint(equalTo: avatarImageView.bottomAnchor, constant: 4),
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])
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}
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private static let avatarImageViewSize: CGFloat = 50
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private let avatarImageView = CachedImageView(cache: .avatars).configure {
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$0.layer.masksToBounds = true
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NSLayoutConstraint.activate([
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$0.heightAnchor.constraint(equalToConstant: TimelineStatusCollectionViewCell.avatarImageViewSize),
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$0.widthAnchor.constraint(equalToConstant: TimelineStatusCollectionViewCell.avatarImageViewSize),
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])
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// TODO: context menu
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// $0.addInteraction(UIContextMenuInteraction(delegate: self))
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// TODO: drag gesture
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// $0.addInteraction(UIDragInteraction(delegate: self))
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// TODO: tap gesture
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// $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
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}
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private let metaIndicatorsView = StatusMetaIndicatorsView()
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private lazy var contentVStack = UIStackView(arrangedSubviews: [
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nameHStack,
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contentWarningLabel,
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collapseButton,
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contentContainer,
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]).configure {
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$0.axis = .vertical
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$0.spacing = 4
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$0.alignment = .fill
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}
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private lazy var nameHStack = UIStackView(arrangedSubviews: [
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displayNameLabel,
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usernameLabel,
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pinImageView,
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timestampLabel,
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]).configure {
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$0.axis = .horizontal
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$0.spacing = 4
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// TODO: tap gesture
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// $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
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}
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private let displayNameLabel = EmojiLabel().configure {
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$0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
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.traits: [
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UIFontDescriptor.TraitKey.weight: UIFont.Weight.semibold.rawValue,
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]
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]), size: 0)
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$0.setContentHuggingPriority(.init(251), for: .horizontal)
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$0.setContentCompressionResistancePriority(.init(749), for: .horizontal)
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}
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private let usernameLabel = UILabel().configure {
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$0.textColor = .secondaryLabel
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$0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
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.traits: [
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UIFontDescriptor.TraitKey.weight: UIFont.Weight.light.rawValue,
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]
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]), size: 0)
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$0.setContentHuggingPriority(.init(249), for: .horizontal)
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$0.setContentCompressionResistancePriority(.init(748), for: .horizontal)
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}
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private let pinImageView = UIImageView(image: UIImage(systemName: "pin.fill")).configure {
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$0.tintColor = .secondaryLabel
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$0.setContentHuggingPriority(.init(251), for: .horizontal)
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}
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private let timestampLabel = UILabel().configure {
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$0.textColor = .secondaryLabel
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$0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
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.traits: [
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UIFontDescriptor.TraitKey.weight: UIFont.Weight.light.rawValue,
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]
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]), size: 0)
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}
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private lazy var contentWarningLabel = EmojiLabel().configure {
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$0.textColor = .secondaryLabel
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$0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
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.traits: [
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UIFontDescriptor.TraitKey.weight: UIFont.Weight.bold.rawValue,
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]
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]), size: 0)
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// this needs to have a higher priorty than the content container's zero height constraint
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$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
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$0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(collapseButtonPressed)))
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}
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private lazy var collapseButton = UIButton(configuration: {
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var config = UIButton.Configuration.filled()
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config.image = UIImage(systemName: "chevron.down")
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return config
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}()).configure {
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$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
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$0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
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}
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private let contentContainer = StatusContentContainer().configure {
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$0.setContentHuggingPriority(.defaultLow, for: .vertical)
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}
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private var contentTextView: StatusContentTextView {
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contentContainer.contentTextView
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}
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private var cardView: StatusCardView {
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contentContainer.cardView
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}
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private var attachmentsView: AttachmentsContainerView {
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contentContainer.attachmentsView
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}
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private var pollView: StatusPollView {
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contentContainer.pollView
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}
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private var placeholderReplyButtonLeadingConstraint: NSLayoutConstraint!
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private lazy var actionsContainer = UIView().configure {
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replyButton.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(replyButton)
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favoriteButton.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(favoriteButton)
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reblogButton.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(reblogButton)
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moreButton.translatesAutoresizingMaskIntoConstraints = false
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$0.addSubview(moreButton)
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placeholderReplyButtonLeadingConstraint = replyButton.leadingAnchor.constraint(equalTo: $0.leadingAnchor)
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NSLayoutConstraint.activate([
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favoriteButton.widthAnchor.constraint(equalTo: replyButton.widthAnchor),
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reblogButton.widthAnchor.constraint(equalTo: replyButton.widthAnchor),
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moreButton.widthAnchor.constraint(equalTo: replyButton.widthAnchor),
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// TODO: gah
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placeholderReplyButtonLeadingConstraint,
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replyButton.topAnchor.constraint(equalTo: $0.topAnchor),
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replyButton.bottomAnchor.constraint(equalTo: $0.bottomAnchor),
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favoriteButton.leadingAnchor.constraint(equalTo: replyButton.trailingAnchor),
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favoriteButton.topAnchor.constraint(equalTo: $0.topAnchor),
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favoriteButton.bottomAnchor.constraint(equalTo: $0.bottomAnchor),
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reblogButton.leadingAnchor.constraint(equalTo: favoriteButton.trailingAnchor),
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reblogButton.topAnchor.constraint(equalTo: $0.topAnchor),
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reblogButton.bottomAnchor.constraint(equalTo: $0.bottomAnchor),
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moreButton.leadingAnchor.constraint(equalTo: reblogButton.trailingAnchor),
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moreButton.trailingAnchor.constraint(equalTo: $0.trailingAnchor),
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moreButton.topAnchor.constraint(equalTo: $0.topAnchor),
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moreButton.bottomAnchor.constraint(equalTo: $0.bottomAnchor),
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])
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}
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private let replyButton = UIButton().configure {
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$0.setImage(UIImage(systemName: "arrowshape.turn.up.left.fill"), for: .normal)
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}
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private let favoriteButton = UIButton().configure {
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$0.setImage(UIImage(systemName: "star.fill"), for: .normal)
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}
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private let reblogButton = UIButton().configure {
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$0.setImage(UIImage(systemName: "repeat"), for: .normal)
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}
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private let moreButton = UIButton().configure {
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$0.setImage(UIImage(systemName: "ellipsis"), for: .normal)
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$0.showsMenuAsPrimaryAction = true
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}
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// MARK: Cell state
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private var mainContainerTopToReblogLabelConstraint: NSLayoutConstraint!
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private var mainContainerTopToSelfConstraint: NSLayoutConstraint!
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private var mainContainerBottomToActionsConstraint: NSLayoutConstraint!
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private var mainContainerBottomToSelfConstraint: NSLayoutConstraint!
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weak var mastodonController: MastodonController!
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weak var delegate: TimelineStatusCollectionViewCellDelegate?
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var showStatusAutomatically: Bool {
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// TODO: needed once conversation controller refactored
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false
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}
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var showReplyIndicator: Bool {
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// TODO: needed once conversation controller refactored
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false
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}
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var showPinned: Bool {
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// TODO: needed once profile controller refactored
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false
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}
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private(set) var statusID: String!
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private(set) var statusState = StatusState.unknown
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private var accountID: String!
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private var reblogStatusID: String?
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private var rebloggerID: String?
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private var firstLayout = true
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private var isGrayscale = false
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override init(frame: CGRect) {
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super.init(frame: frame)
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for subview in [reblogLabel, mainContainer, actionsContainer] {
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subview.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(subview)
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}
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mainContainerTopToReblogLabelConstraint = mainContainer.topAnchor.constraint(equalTo: reblogLabel.bottomAnchor, constant: 4)
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mainContainerTopToSelfConstraint = mainContainer.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 8)
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mainContainerBottomToActionsConstraint = mainContainer.bottomAnchor.constraint(equalTo: actionsContainer.topAnchor)
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mainContainerBottomToSelfConstraint = mainContainer.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -6)
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let metaIndicatorsBottomConstraint = metaIndicatorsView.bottomAnchor.constraint(lessThanOrEqualTo: contentView.bottomAnchor, constant: -6)
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// sometimes during intermediate layouts, there are conflicting constraints, so let this one get broken temporarily, to avoid a bunch of printing
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metaIndicatorsBottomConstraint.priority = .init(999)
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NSLayoutConstraint.activate([
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// why is this 4 but the mainContainerTopSelfConstraint constant 8? because this looks more balanced
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reblogLabel.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 4),
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reblogLabel.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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reblogLabel.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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mainContainer.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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mainContainer.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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actionsContainer.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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actionsContainer.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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// yes, this is deliberately 6. 4 looks to cramped, 8 looks uneven
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actionsContainer.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -6),
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metaIndicatorsBottomConstraint,
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])
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updateActionsVisibility()
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NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
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// TEMP
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reblogLabel.text = "Reblogged by Person"
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avatarImageView.backgroundColor = .red
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displayNameLabel.text = "Display name"
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usernameLabel.text = "@username"
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timestampLabel.text = "2m"
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contentWarningLabel.text = "Content Warning"
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contentTextView.setTextFromHtml("<p>Weeeeeeeee</p>")
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attachmentsView.backgroundColor = .red
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metaIndicatorsView.placeholder()
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// contentWarningLabel.isHidden = true
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// collapseButton.isHidden = true
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// cardView.isHidden = true
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// pollView.isHidden = true
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// attachmentsView.isHidden = true
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// actionsContainer.isHidden = true
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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if firstLayout {
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firstLayout = false
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// the button's image view doesn't exist until after the first layout
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// accessing it before that cause the button to layoutIfNeeded which generates a broken, intermediate layout and prints a bunch of unhelpful autolayout warnings
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// so we wait until after the first layout pass to setup the reply button's real constraint
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placeholderReplyButtonLeadingConstraint.isActive = false
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replyButton.imageView!.leadingAnchor.constraint(equalTo: contentTextView.leadingAnchor).isActive = true
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}
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}
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func updateUI(statusID: String, state: StatusState) {
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guard var status = mastodonController.persistentContainer.status(for: statusID) else {
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fatalError()
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}
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self.statusState = state
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if let rebloggedStatus = status.reblog {
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reblogStatusID = statusID
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rebloggerID = status.account.id
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reblogLabel.isHidden = false
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mainContainerTopToReblogLabelConstraint.isActive = true
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mainContainerTopToSelfConstraint.isActive = false
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updateRebloggerLabel(reblogger: status.account)
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status = rebloggedStatus
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} else {
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reblogStatusID = nil
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rebloggerID = nil
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reblogLabel.isHidden = true
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mainContainerTopToReblogLabelConstraint.isActive = false
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mainContainerTopToSelfConstraint.isActive = true
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}
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doUpdateUI(status: status)
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}
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private func doUpdateUI(status: StatusMO) {
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self.statusID = status.id
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self.accountID = status.account.id
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let account = status.account
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usernameLabel.text = "@\(account.acct)"
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contentTextView.setTextFrom(status: status)
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updateGrayscaleableUI(account: account, status: status)
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updateUIForPreferences(account: account, status: status)
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cardView.card = status.card
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cardView.isHidden = status.card == nil
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cardView.navigationDelegate = delegate
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cardView.actionProvider = delegate
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attachmentsView.updateUI(status: status)
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updateStatusState(status: status)
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contentWarningLabel.text = status.spoilerText
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contentWarningLabel.isHidden = status.spoilerText.isEmpty
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if !contentWarningLabel.isHidden {
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contentWarningLabel.setEmojis(status.emojis, identifier: statusID)
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}
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let reblogDisabled: Bool
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if mastodonController.instanceFeatures.boostToOriginalAudience {
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reblogDisabled = status.visibility == .direct || (status.visibility == .private && status.account.id != mastodonController.account.id)
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} else {
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reblogDisabled = status.visibility == .private || status.visibility == .direct
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}
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reblogButton.isEnabled = !reblogDisabled && mastodonController.loggedIn
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favoriteButton.isEnabled = mastodonController.loggedIn
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replyButton.isEnabled = mastodonController.loggedIn
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if statusState.unknown {
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statusState.resolveFor(status: status, text: contentTextView.text)
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if statusState.collapsible! && showStatusAutomatically {
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statusState.collapsed = false
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}
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}
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contentContainer.setCollapsed(statusState.collapsed!)
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contentContainer.alpha = statusState.collapsed! ? 0 : 1
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collapseButton.imageView!.transform = CGAffineTransform(rotationAngle: statusState.collapsed! ? .pi : 0)
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if statusState.collapsed! {
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collapseButton.accessibilityLabel = NSLocalizedString("Expand Status", comment: "expand status button accessibility label")
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} else {
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collapseButton.accessibilityLabel = NSLocalizedString("Collapse Status", comment: "collapse status button accessibility label")
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}
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}
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func updateUIForPreferences(account: AccountMO, status: StatusMO) {
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avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * TimelineStatusCollectionViewCell.avatarImageViewSize
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attachmentsView.contentHidden = Preferences.shared.blurAllMedia || status.sensitive
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if showReplyIndicator {
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metaIndicatorsView.allowedIndicators = .all
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} else {
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metaIndicatorsView.allowedIndicators = .all.subtracting(.reply)
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}
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if isGrayscale != Preferences.shared.grayscaleImages {
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updateGrayscaleableUI(account: account, status: status)
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}
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if let rebloggerID,
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let reblogger = mastodonController.persistentContainer.account(for: rebloggerID) {
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updateRebloggerLabel(reblogger: reblogger)
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}
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}
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private func updateRebloggerLabel(reblogger: AccountMO) {
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if Preferences.shared.hideCustomEmojiInUsernames {
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reblogLabel.text = "Reblogged by \(reblogger.displayNameWithoutCustomEmoji)"
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reblogLabel.removeEmojis()
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} else {
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reblogLabel.text = "Reblogged by \(reblogger.displayOrUserName)"
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reblogLabel.setEmojis(reblogger.emojis, identifier: reblogger.id)
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}
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}
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func updateGrayscaleableUI(account: AccountMO, status: StatusMO) {
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isGrayscale = Preferences.shared.grayscaleImages
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avatarImageView.update(for: account.avatar)
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if contentTextView.hasEmojis {
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contentTextView.setTextFrom(status: status)
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}
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displayNameLabel.updateForAccountDisplayName(account: account)
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}
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func updateStatusState(status: StatusMO) {
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if status.favourited {
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favoriteButton.tintColor = UIColor(displayP3Red: 1, green: 0.8, blue: 0, alpha: 1)
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favoriteButton.accessibilityLabel = NSLocalizedString("Undo Favorite", comment: "undo favorite button accessibility label")
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} else {
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favoriteButton.tintColor = nil
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favoriteButton.accessibilityLabel = NSLocalizedString("Favorite", comment: "favorite button accessibility label")
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}
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if status.reblogged {
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reblogButton.tintColor = UIColor(displayP3Red: 1, green: 0.8, blue: 0, alpha: 1)
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reblogButton.accessibilityLabel = NSLocalizedString("Undo Reblog", comment: "undo reblog button accessibility label")
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} else {
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reblogButton.tintColor = nil
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reblogButton.accessibilityLabel = NSLocalizedString("Reblog", comment: "reblog button accessibility label")
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}
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// keep menu in sync with changed states e.g. bookmarked, muted
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// do not include reply action here, because the cell already contains a button for it
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moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: delegate?.actionsForStatus(status, sourceView: moreButton, includeReply: false) ?? [])
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pollView.isHidden = status.poll == nil
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pollView.mastodonController = mastodonController
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pollView.toastableViewController = delegate?.toastableViewController
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pollView.updateUI(status: status, poll: status.poll)
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}
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private func updateActionsVisibility() {
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if Preferences.shared.hideActionsInTimeline {
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actionsContainer.isHidden = true
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mainContainerBottomToSelfConstraint.isActive = true
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mainContainerBottomToActionsConstraint.isActive = false
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} else {
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actionsContainer.isHidden = false
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mainContainerBottomToSelfConstraint.isActive = false
|
|
mainContainerBottomToActionsConstraint.isActive = true
|
|
}
|
|
}
|
|
|
|
@objc private func preferencesChanged() {
|
|
guard let mastodonController,
|
|
let status = mastodonController.persistentContainer.status(for: statusID) else {
|
|
return
|
|
}
|
|
|
|
updateUIForPreferences(account: status.account, status: status)
|
|
|
|
// only needs to happen when prefs change, rather than in updateUIForPrefs b/c this is setup correctly during init
|
|
let oldState = actionsContainer.isHidden
|
|
if oldState != Preferences.shared.hideActionsInTimeline {
|
|
updateActionsVisibility()
|
|
delegate?.statusCellCollapsedStateChanged(self)
|
|
}
|
|
}
|
|
|
|
// MARK: Interaction
|
|
|
|
@objc func collapseButtonPressed() {
|
|
statusState.collapsed!.toggle()
|
|
// this delegate call causes the collection view to reconfigure this cell, at which point (and inside of the collection view's animation handling) we'll update the contentContainer
|
|
delegate?.statusCellCollapsedStateChanged(self)
|
|
}
|
|
|
|
}
|