forked from shadowfacts/Tusker
218 lines
7.7 KiB
Swift
218 lines
7.7 KiB
Swift
//
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// StatusTableViewCell.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 MastodonKit
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protocol StatusTableViewCellDelegate {
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func selected(account: Account)
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func selected(mention: Mention)
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func selected(tag: MastodonKit.Tag)
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func selected(url: URL)
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func selected(status: Status)
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func reply(to status: Status)
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func showLargeImage(_ image: UIImage, description: String?, animatingFrom originView: UIView)
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}
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class StatusTableViewCell: UITableViewCell, PreferencesAdaptive {
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var delegate: StatusTableViewCellDelegate?
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@IBOutlet weak var displayNameLabel: UILabel!
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@IBOutlet weak var usernameLabel: UILabel!
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@IBOutlet weak var contentLabel: StatusContentLabel!
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@IBOutlet weak var avatarImageView: UIImageView!
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@IBOutlet weak var reblogLabel: UILabel!
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@IBOutlet weak var timestampLabel: UILabel!
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@IBOutlet weak var attachmentsView: UIView!
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var status: Status!
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var account: Account!
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var reblogger: Account?
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var avatarURL: URL?
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var updateTimestampWorkItem: DispatchWorkItem?
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var attachmentDataTasks: [URLSessionDataTask] = []
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override func awakeFromNib() {
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displayNameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
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displayNameLabel.isUserInteractionEnabled = true
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usernameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
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usernameLabel.isUserInteractionEnabled = true
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reblogLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
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reblogLabel.isUserInteractionEnabled = true
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avatarImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
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avatarImageView.isUserInteractionEnabled = true
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avatarImageView.layer.masksToBounds = true
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attachmentsView.layer.cornerRadius = 5
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attachmentsView.layer.masksToBounds = true
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contentLabel.delegate = self
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}
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func updateUIForPreferences() {
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avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
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if let reblogger = reblogger {
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reblogLabel.text = "Reblogged by \(reblogger.realDisplayName)"
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}
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displayNameLabel.text = account.realDisplayName
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}
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func updateUI(for status: Status) {
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self.status = status
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let account: Account
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if let reblog = status.reblog {
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account = reblog.account
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reblogger = status.account
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reblogLabel.isHidden = false
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} else {
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account = status.account
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reblogLabel.isHidden = true
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reblogger = nil
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}
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self.account = account
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updateUIForPreferences()
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usernameLabel.text = "@\(account.acct)"
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avatarImageView.image = nil
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if let url = URL(string: account.avatar) {
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avatarURL = url
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AvatarCache.shared.get(url) { image in
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DispatchQueue.main.async {
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self.avatarImageView.image = image
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self.avatarURL = nil
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}
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}
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}
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updateTimestamp()
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let attachments = status.mediaAttachments.filter({ $0.type == .image })
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if attachments.count > 0 {
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attachmentsView.isHidden = false
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let width = attachmentsView.bounds.width
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let height: CGFloat = 200
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switch attachments.count {
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case 1:
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addAttachmentView(frame: CGRect(x: 0, y: 0, width: width, height: height), attachment: attachments[0])
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case 2:
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addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height), attachment: attachments[0])
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addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height), attachment: attachments[1])
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case 3:
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addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height), attachment: attachments[0])
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addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[1])
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addAttachmentView(frame: CGRect(x: width / 2 + 4, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[2])
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case 4:
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addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[0])
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addAttachmentView(frame: CGRect(x: 0, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[1])
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addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[2])
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addAttachmentView(frame: CGRect(x: width / 2 + 4, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[3])
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default:
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fatalError("Too many attachments")
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}
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} else {
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attachmentsView.isHidden = true
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}
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contentLabel.status = status
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}
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func updateTimestamp() {
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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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updateTimestampWorkItem = DispatchWorkItem {
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self.updateTimestamp()
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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 addAttachmentView(frame: CGRect, attachment: Attachment) {
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let attachmentView = AttachmentView(frame: frame, attachment: attachment)
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attachmentView.delegate = self
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attachmentsView.addSubview(attachmentView)
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}
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override func prepareForReuse() {
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if let url = avatarURL {
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AvatarCache.shared.cancel(url)
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}
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updateTimestampWorkItem?.cancel()
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updateTimestampWorkItem = nil
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attachmentsView.subviews.forEach { view in
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(view as? AttachmentView)?.task?.cancel()
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view.removeFromSuperview()
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}
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}
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override func setSelected(_ selected: Bool, animated: Bool) {
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super.setSelected(selected, animated: animated)
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if selected {
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delegate?.selected(status: status)
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}
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}
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@IBAction func replyPressed(_ sender: Any) {
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delegate?.reply(to: status)
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}
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@objc func accountPressed() {
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delegate?.selected(account: account)
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}
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@objc func reblogLabelPressed() {
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guard let reblogger = reblogger else { return }
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delegate?.selected(account: reblogger)
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}
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}
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extension StatusTableViewCell: HTMLContentLabelDelegate {
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func selected(mention: Mention) {
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delegate?.selected(mention: mention)
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}
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func selected(tag: MastodonKit.Tag) {
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delegate?.selected(tag: tag)
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}
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func selected(url: URL) {
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delegate?.selected(url: url)
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}
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}
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extension StatusTableViewCell: AttachmentViewDelegate {
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func showLargeAttachment(for attachmentView: AttachmentView) {
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delegate?.showLargeImage(attachmentView.image!, description: attachmentView.attachment.description, animatingFrom: attachmentView)
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}
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}
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