421 lines
16 KiB
Swift
421 lines
16 KiB
Swift
//
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// TimelineStatusTableViewCell.swift
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// Tusker
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//
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// Created by Shadowfacts on 8/16/18.
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// Copyright © 2018 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Combine
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import Pachyderm
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class TimelineStatusTableViewCell: BaseStatusTableViewCell {
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static let relativeDateFormatter: RelativeDateTimeFormatter = {
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let formatter = RelativeDateTimeFormatter()
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formatter.dateTimeStyle = .numeric
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formatter.unitsStyle = .full
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return formatter
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}()
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@IBOutlet weak var reblogLabel: EmojiLabel!
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@IBOutlet weak var reblogSpacer: UIView!
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@IBOutlet weak var timestampLabel: UILabel!
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@IBOutlet weak var pinImageView: UIImageView!
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@IBOutlet weak var actionsContainerView: UIView!
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@IBOutlet weak var actionsContainerHeightConstraint: NSLayoutConstraint!
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@IBOutlet weak var verticalStackToActionsContainerConstraint: NSLayoutConstraint!
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@IBOutlet weak var verticalStackToSuperviewConstraint: NSLayoutConstraint!
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var reblogStatusID: String?
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var rebloggerID: String?
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var showPinned = false
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var showReplyIndicator = true
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var updateTimestampWorkItem: DispatchWorkItem?
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var rebloggerAccountUpdater: Cancellable?
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deinit {
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rebloggerAccountUpdater?.cancel()
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updateTimestampWorkItem?.cancel()
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}
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override func awakeFromNib() {
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super.awakeFromNib()
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isAccessibilityElement = true
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reblogLabel.font = .preferredFont(forTextStyle: .body)
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reblogLabel.adjustsFontForContentSizeCategory = true
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reblogLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
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avatarImageView.addInteraction(UIContextMenuInteraction(delegate: self))
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displayNameLabel.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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displayNameLabel.adjustsFontForContentSizeCategory = true
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usernameLabel.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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usernameLabel.adjustsFontForContentSizeCategory = true
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timestampLabel.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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timestampLabel.adjustsFontForContentSizeCategory = true
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metaIndicatorsView.primaryAxis = .vertical
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metaIndicatorsView.secondaryAxisAlignment = .trailing
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contentWarningLabel.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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contentWarningLabel.adjustsFontForContentSizeCategory = true
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contentTextView.defaultFont = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 16))
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contentTextView.adjustsFontForContentSizeCategory = true
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// todo: double check this on RTL layouts
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replyButton.imageView!.leadingAnchor.constraint(equalTo: contentTextView.leadingAnchor).isActive = true
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updateActionsVisibility()
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}
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override func createObserversIfNecessary() {
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super.createObserversIfNecessary()
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if rebloggerAccountUpdater == nil {
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rebloggerAccountUpdater = mastodonController.persistentContainer.accountSubject
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.receive(on: DispatchQueue.main)
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.filter { [unowned self] in $0 == self.rebloggerID }
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.sink { [unowned self] in
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if let mastodonController = self.mastodonController,
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let reblogger = mastodonController.persistentContainer.account(for: $0) {
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self.updateRebloggerLabel(reblogger: reblogger)
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}
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}
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}
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}
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override func doUpdateUI(status: StatusMO, state: StatusState) {
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var status = status
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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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reblogSpacer.isHidden = false
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updateRebloggerLabel(reblogger: status.account)
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status = rebloggedStatus
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// necessary b/c statusID is initially set to the reblog status ID in updateUI(statusID:state:)
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statusID = rebloggedStatus.id
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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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reblogSpacer.isHidden = true
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}
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super.doUpdateUI(status: status, state: state)
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doUpdateTimestamp(status: status)
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timestampLabel.isHidden = showPinned
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pinImageView.isHidden = !showPinned
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}
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override func updateGrayscaleableUI(account: AccountMO, status: StatusMO) {
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super.updateGrayscaleableUI(account: account, status: status)
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if let rebloggerID = rebloggerID,
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reblogLabel.hasEmojis,
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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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override func updateStatusIconsForPreferences(_ status: StatusMO) {
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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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let oldState = actionsContainerView.isHidden
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if oldState != Preferences.shared.hideActionsInTimeline {
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updateActionsVisibility()
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if #available(iOS 16.0, *) {
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invalidateIntrinsicContentSize()
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} else {
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// not really accurate, but it notifies the vc our height has changed
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delegate?.statusCellCollapsedStateChanged(self)
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}
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}
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super.updateStatusIconsForPreferences(status)
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}
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private func updateActionsVisibility() {
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if Preferences.shared.hideActionsInTimeline {
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actionsContainerView.isHidden = true
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} else {
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actionsContainerView.isHidden = false
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}
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}
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private func updateTimestamp() {
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// if the mastodonController is nil (i.e. the delegate is nil), then the screen this cell was a part of has been deallocated
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// so we bail out immediately, since there's nothing to update
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// if the status cannot be found, it may have already been discarded due to not being on screen, so we do nothing
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guard let mastodonController = mastodonController,
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let status = mastodonController.persistentContainer.status(for: statusID) else { return }
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doUpdateTimestamp(status: status)
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}
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private func doUpdateTimestamp(status: StatusMO) {
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timestampLabel.text = status.createdAt.timeAgoString()
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let delay: DispatchTimeInterval?
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switch status.createdAt.timeAgo().1 {
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case .second:
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delay = .seconds(10)
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case .minute:
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delay = .seconds(60)
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default:
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delay = nil
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}
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if let delay = delay {
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if updateTimestampWorkItem == nil {
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updateTimestampWorkItem = DispatchWorkItem { [weak self] in
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self?.updateTimestamp()
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}
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}
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DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: updateTimestampWorkItem!)
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} else {
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updateTimestampWorkItem = nil
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}
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}
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func reply() {
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if Preferences.shared.mentionReblogger,
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let rebloggerID = rebloggerID,
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let rebloggerAccount = mastodonController.persistentContainer.account(for: rebloggerID) {
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delegate?.compose(inReplyToID: statusID, mentioningAcct: rebloggerAccount.acct)
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} else {
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delegate?.compose(inReplyToID: statusID)
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}
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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updateTimestampWorkItem?.cancel()
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updateTimestampWorkItem = nil
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showPinned = false
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}
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@objc func reblogLabelPressed() {
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guard let rebloggerID = rebloggerID else { return }
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delegate?.selected(account: rebloggerID)
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}
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override func replyPressed() {
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reply()
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}
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// MARK: - Accessibility
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override var accessibilityAttributedLabel: NSAttributedString? {
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get {
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guard let status = mastodonController.persistentContainer.status(for: statusID) else {
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return nil
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}
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var str = AttributedString("\(status.account.displayOrUserName), ")
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if statusState.collapsed ?? false {
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if !status.spoilerText.isEmpty {
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str += AttributedString(status.spoilerText)
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str += ", "
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}
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str += "collapsed"
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} else {
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str += AttributedString(contentTextView.attributedText)
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}
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if status.attachments.count > 0 {
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// TODO: localize me
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str += AttributedString(", \(status.attachments.count) attachment\(status.attachments.count > 1 ? "s" : "")")
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}
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if status.poll != nil {
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str += ", poll"
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}
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str += AttributedString(", \(status.createdAt.formatted(.relative(presentation: .numeric)))")
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if status.visibility < .unlisted {
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str += AttributedString(", \(status.visibility.displayName)")
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}
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if status.localOnly {
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str += ", local"
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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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str += AttributedString(", reblogged by \(reblogger.displayOrUserName)")
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}
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return NSAttributedString(str)
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}
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set {}
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}
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override var accessibilityHint: String? {
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get {
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if statusState.collapsed ?? false {
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return "Double tap to expand the post."
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} else {
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return nil
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}
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}
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set {}
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}
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override func accessibilityActivate() -> Bool {
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if statusState.collapsed ?? false {
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collapseButtonPressed()
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} else {
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didSelectCell()
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}
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return true
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}
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override var accessibilityCustomActions: [UIAccessibilityCustomAction]? {
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get {
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guard let text = contentTextView.attributedText else {
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return nil
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}
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var actions: [UIAccessibilityCustomAction] = []
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text.enumerateAttribute(.link, in: NSRange(location: 0, length: text.length)) { value, range, stop in
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guard let value = value as? URL else {
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return
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}
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let text = text.attributedSubstring(from: range).string
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actions.append(UIAccessibilityCustomAction(name: text) { [unowned self] _ in
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self.contentTextView.handleLinkTapped(url: value, text: text)
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return true
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})
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}
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return actions
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}
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set {}
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}
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}
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extension TimelineStatusTableViewCell: SelectableTableViewCell {
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func didSelectCell() {
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delegate?.selected(status: statusID, state: statusState.copy())
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}
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}
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extension TimelineStatusTableViewCell: TableViewSwipeActionProvider {
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func leadingSwipeActionsConfiguration() -> UISwipeActionsConfiguration? {
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guard let status = mastodonController.persistentContainer.status(for: statusID) else {
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return nil
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}
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return UISwipeActionsConfiguration(actions: Preferences.shared.leadingStatusSwipeActions.compactMap { $0.createAction(status: status, container: self) })
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}
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func trailingSwipeActionsConfiguration() -> UISwipeActionsConfiguration? {
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guard let status = mastodonController.persistentContainer.status(for: statusID) else {
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return nil
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}
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return UISwipeActionsConfiguration(actions: Preferences.shared.trailingStatusSwipeActions.compactMap { $0.createAction(status: status, container: self) })
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}
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}
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extension TimelineStatusTableViewCell: DraggableTableViewCell {
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func dragItemsForBeginning(session: UIDragSession) -> [UIDragItem] {
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// the poll options view is tracking while the user is dragging between options
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// while that's happening, don't initiate a drag
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guard let status = mastodonController.persistentContainer.status(for: statusID),
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let accountID = mastodonController.accountInfo?.id,
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!pollView.isTracking else {
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return []
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}
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let provider = NSItemProvider(object: status.url! as NSURL)
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let activity = UserActivityManager.showConversationActivity(mainStatusID: status.id, accountID: accountID)
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activity.displaysAuxiliaryScene = true
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provider.registerObject(activity, visibility: .all)
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return [UIDragItem(itemProvider: provider)]
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}
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}
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extension TimelineStatusTableViewCell: UIContextMenuInteractionDelegate {
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func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
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return UIContextMenuConfiguration(identifier: nil) {
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ProfileViewController(accountID: self.accountID, mastodonController: self.mastodonController)
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} actionProvider: { (_) in
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return UIMenu(title: "", image: nil, identifier: nil, options: [], children: self.delegate?.actionsForProfile(accountID: self.accountID, source: .view(self.avatarImageView)) ?? [])
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}
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}
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func contextMenuInteraction(_ interaction: UIContextMenuInteraction, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
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if let viewController = animator.previewViewController,
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let delegate = delegate {
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animator.preferredCommitStyle = .pop
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animator.addCompletion {
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if let customPresenting = viewController as? CustomPreviewPresenting {
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customPresenting.presentFromPreview(presenter: delegate)
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} else {
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delegate.show(viewController)
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}
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}
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}
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}
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}
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extension TimelineStatusTableViewCell: MenuPreviewProvider {
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func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
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guard let mastodonController = mastodonController,
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let status = mastodonController.persistentContainer.status(for: statusID) else {
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return nil
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}
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return (
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content: { ConversationTableViewController(for: self.statusID, state: self.statusState.copy(), mastodonController: mastodonController) },
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actions: { self.delegate?.actionsForStatus(status, source: .view(self)) ?? [] }
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)
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}
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}
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extension TimelineStatusTableViewCell: StatusSwipeActionContainer {
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var navigationDelegate: TuskerNavigationDelegate { delegate! }
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var toastableViewController: ToastableViewController? { delegate }
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func performReplyAction() {
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self.replyPressed()
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}
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}
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