Tusker/Tusker/Views/Status/StatusTableViewCell.swift

291 lines
10 KiB
Swift

//
// StatusTableViewCell.swift
// Tusker
//
// Created by Shadowfacts on 8/16/18.
// Copyright © 2018 Shadowfacts. All rights reserved.
//
import UIKit
import MastodonKit
protocol StatusTableViewCellDelegate {
func selected(account: Account)
func selected(mention: Mention)
func selected(tag: MastodonKit.Tag)
func selected(url: URL)
func selected(status: Status)
func reply(to status: Status)
func showLargeImage(_ image: UIImage, description: String?, animatingFrom originView: UIView)
func updatedStatus(for cell: StatusTableViewCell, status: Status)
}
class StatusTableViewCell: UITableViewCell, PreferencesAdaptive {
var delegate: StatusTableViewCellDelegate?
@IBOutlet weak var displayNameLabel: UILabel!
@IBOutlet weak var usernameLabel: UILabel!
@IBOutlet weak var contentLabel: StatusContentLabel!
@IBOutlet weak var avatarImageView: UIImageView!
@IBOutlet weak var reblogLabel: UILabel!
@IBOutlet weak var timestampLabel: UILabel!
@IBOutlet weak var attachmentsView: UIView!
@IBOutlet weak var favoriteButton: UIButton!
@IBOutlet weak var reblogButton: UIButton!
var status: Status!
var account: Account!
var reblogger: Account?
var favorited: Bool = false {
didSet {
favoriteButton.tintColor = favorited ? UIColor(displayP3Red: 1, green: 0.8, blue: 0, alpha: 1) : tintColor
}
}
var reblogged: Bool = false {
didSet {
reblogButton.tintColor = reblogged ? UIColor(displayP3Red: 1, green: 0.8, blue: 0, alpha: 1) : tintColor
}
}
var avatarURL: URL?
var updateTimestampWorkItem: DispatchWorkItem?
var attachmentDataTasks: [URLSessionDataTask] = []
override func awakeFromNib() {
displayNameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
displayNameLabel.isUserInteractionEnabled = true
usernameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
usernameLabel.isUserInteractionEnabled = true
reblogLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
reblogLabel.isUserInteractionEnabled = true
avatarImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
avatarImageView.isUserInteractionEnabled = true
avatarImageView.layer.masksToBounds = true
attachmentsView.layer.cornerRadius = 5
attachmentsView.layer.masksToBounds = true
contentLabel.delegate = self
}
func updateUIForPreferences() {
avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
if let reblogger = reblogger {
reblogLabel.text = "Reblogged by \(reblogger.realDisplayName)"
}
displayNameLabel.text = account.realDisplayName
}
func updateUI(for status: Status) {
self.status = status
let account: Account
if let reblog = status.reblog {
account = reblog.account
reblogger = status.account
reblogLabel.isHidden = false
} else {
account = status.account
reblogLabel.isHidden = true
reblogger = nil
}
self.account = account
updateUIForPreferences()
usernameLabel.text = "@\(account.acct)"
avatarImageView.image = nil
if let url = URL(string: account.avatar) {
avatarURL = url
AvatarCache.shared.get(url) { image in
DispatchQueue.main.async {
self.avatarImageView.image = image
self.avatarURL = nil
}
}
}
updateTimestamp()
let attachments = status.mediaAttachments.filter({ $0.type == .image })
if attachments.count > 0 {
attachmentsView.isHidden = false
let width = attachmentsView.bounds.width
let height: CGFloat = 200
switch attachments.count {
case 1:
addAttachmentView(frame: CGRect(x: 0, y: 0, width: width, height: height), attachment: attachments[0])
case 2:
addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height), attachment: attachments[0])
addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height), attachment: attachments[1])
case 3:
addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height), attachment: attachments[0])
addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[1])
addAttachmentView(frame: CGRect(x: width / 2 + 4, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[2])
case 4:
addAttachmentView(frame: CGRect(x: 0, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[0])
addAttachmentView(frame: CGRect(x: 0, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[1])
addAttachmentView(frame: CGRect(x: width / 2 + 4, y: 0, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[2])
addAttachmentView(frame: CGRect(x: width / 2 + 4, y: height / 2 + 4, width: width / 2 - 4, height: height / 2 - 4), attachment: attachments[3])
default:
fatalError("Too many attachments")
}
} else {
attachmentsView.isHidden = true
}
let realStatus = status.reblog ?? status
favorited = realStatus.favourited ?? false
reblogged = realStatus.reblogged ?? false
contentLabel.status = status
}
func updateTimestamp() {
timestampLabel.text = status.createdAt.timeAgoString()
let delay: DispatchTimeInterval?
switch status.createdAt.timeAgo().1 {
case .second:
delay = .seconds(10)
case .minute:
delay = .seconds(60)
default:
delay = nil
}
if let delay = delay {
updateTimestampWorkItem = DispatchWorkItem {
self.updateTimestamp()
}
DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: updateTimestampWorkItem!)
} else {
updateTimestampWorkItem = nil
}
}
func addAttachmentView(frame: CGRect, attachment: Attachment) {
let attachmentView = AttachmentView(frame: frame, attachment: attachment)
attachmentView.delegate = self
attachmentsView.addSubview(attachmentView)
}
override func prepareForReuse() {
if let url = avatarURL {
AvatarCache.shared.cancel(url)
}
updateTimestampWorkItem?.cancel()
updateTimestampWorkItem = nil
attachmentsView.subviews.forEach { view in
(view as? AttachmentView)?.task?.cancel()
view.removeFromSuperview()
}
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
if selected {
delegate?.selected(status: status)
}
}
@IBAction func replyPressed(_ sender: Any) {
delegate?.reply(to: status)
}
@objc func accountPressed() {
delegate?.selected(account: account)
}
@objc func reblogLabelPressed() {
guard let reblogger = reblogger else { return }
delegate?.selected(account: reblogger)
}
@IBAction func favoritePressed(_ sender: Any) {
let oldValue = favorited
favorited = !favorited
let realStatus: Status = status.reblog ?? status
let req = favorited ? Statuses.favourite(id: realStatus.id) : Statuses.unfavourite(id: realStatus.id)
MastodonController.shared.client.run(req) { result in
guard case .success = result else {
print("Couldn't favorite status \(realStatus.id)")
// todo: display error message
DispatchQueue.main.async {
self.favorited = oldValue
let generator = UINotificationFeedbackGenerator()
generator.notificationOccurred(.error)
}
return
}
DispatchQueue.main.async {
let generator = UIImpactFeedbackGenerator(style: .light)
generator.impactOccurred()
}
}
}
@IBAction func reblogPressed(_ sender: Any) {
let oldValue = reblogged
reblogged = !reblogged
let realStatus: Status = status.reblog ?? status
let req = reblogged ? Statuses.reblog(id: realStatus.id) : Statuses.unreblog(id: realStatus.id)
MastodonController.shared.client.run(req) { result in
guard case .success = result else {
print("Couldn't reblog status \(realStatus.id)")
// todo: display error message
DispatchQueue.main.async {
self.reblogged = oldValue
let generator = UINotificationFeedbackGenerator()
generator.notificationOccurred(.error)
}
return
}
DispatchQueue.main.async {
let generator = UIImpactFeedbackGenerator(style: .light)
generator.impactOccurred()
}
}
}
}
extension StatusTableViewCell: HTMLContentLabelDelegate {
func selected(mention: Mention) {
delegate?.selected(mention: mention)
}
func selected(tag: MastodonKit.Tag) {
delegate?.selected(tag: tag)
}
func selected(url: URL) {
delegate?.selected(url: url)
}
}
extension StatusTableViewCell: AttachmentViewDelegate {
func showLargeAttachment(for attachmentView: AttachmentView) {
delegate?.showLargeImage(attachmentView.image!, description: attachmentView.attachment.description, animatingFrom: attachmentView)
}
}