Tusker/Tusker/Views/Status/StatusTableViewCell.swift

382 lines
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Swift
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//
// StatusTableViewCell.swift
// Tusker
//
// Created by Shadowfacts on 8/16/18.
// Copyright © 2018 Shadowfacts. All rights reserved.
//
import UIKit
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import Pachyderm
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protocol StatusTableViewCellDelegate: TuskerNavigationDelegate {
}
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class StatusTableViewCell: UITableViewCell, PreferencesAdaptive {
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var delegate: StatusTableViewCellDelegate? {
didSet {
contentLabel.navigationDelegate = delegate
}
}
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@IBOutlet weak var displayNameLabel: UILabel!
@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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@IBOutlet weak var favoriteButton: UIButton!
@IBOutlet weak var reblogButton: UIButton!
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var statusID: String!
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var accountID: String!
var reblogStatusID: String?
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var rebloggerID: String?
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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
}
}
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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() {
displayNameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
displayNameLabel.isUserInteractionEnabled = true
usernameLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
usernameLabel.isUserInteractionEnabled = true
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reblogLabel.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
reblogLabel.isUserInteractionEnabled = true
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avatarImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(accountPressed)))
avatarImageView.isUserInteractionEnabled = true
avatarImageView.layer.masksToBounds = true
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attachmentsView.layer.cornerRadius = 5
attachmentsView.layer.masksToBounds = true
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}
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func updateUIForPreferences() {
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guard let account = MastodonCache.account(for: accountID) else { fatalError("") }
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avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
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if let rebloggerID = rebloggerID,
let reblogger = MastodonCache.account(for: rebloggerID) {
reblogLabel.text = "Reblogged by \(reblogger.realDisplayName)"
}
displayNameLabel.text = account.realDisplayName
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}
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func updateUI(for statusID: String) {
guard var status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID)") }
if let reblogID = status.reblog?.id,
let reblog = MastodonCache.status(for: reblogID) {
reblogStatusID = statusID
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rebloggerID = status.account.id
status = reblog
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reblogLabel.isHidden = false
} else {
reblogStatusID = nil
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rebloggerID = nil
reblogLabel.isHidden = true
}
let account = status.account
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self.accountID = account.id
self.statusID = status.id
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updateUIForPreferences()
usernameLabel.text = "@\(account.acct)"
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avatarImageView.image = nil
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avatarURL = account.avatar
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ImageCache.avatars.get(account.avatar) { (data) in
guard let data = data else { return }
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DispatchQueue.main.async {
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self.avatarImageView.image = UIImage(data: data)
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self.avatarURL = nil
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}
}
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updateTimestamp()
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let attachments = status.attachments.filter({ $0.kind == .image })
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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
}
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let realStatus = status.reblog ?? status
favorited = realStatus.favourited ?? false
reblogged = realStatus.reblogged ?? false
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contentLabel.statusID = statusID
}
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func updateTimestamp() {
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guard let status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID!)") }
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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
}
}
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func addAttachmentView(frame: CGRect, attachment: Attachment) {
let attachmentView = AttachmentView(frame: frame, attachment: attachment)
attachmentView.delegate = self
attachmentsView.addSubview(attachmentView)
}
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override func prepareForReuse() {
if let url = avatarURL {
ImageCache.avatars.cancel(url)
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}
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updateTimestampWorkItem?.cancel()
updateTimestampWorkItem = nil
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attachmentsView.subviews.forEach { $0.removeFromSuperview() }
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}
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override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
if selected {
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delegate?.selected(status: statusID)
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}
}
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@IBAction func replyPressed(_ sender: Any) {
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delegate?.reply(to: statusID)
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}
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@objc func accountPressed() {
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delegate?.selected(account: accountID)
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}
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@objc func reblogLabelPressed() {
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guard let rebloggerID = rebloggerID else { return }
delegate?.selected(account: rebloggerID)
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}
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@IBAction func favoritePressed(_ sender: Any) {
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guard let status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID!)") }
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let oldValue = favorited
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favorited = !favorited
let realStatus: Status = status.reblog ?? status
let request = (favorited ? Status.favourite : Status.unfavourite)(realStatus)
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MastodonController.client.run(request) { response in
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DispatchQueue.main.async {
self.favorited = realStatus.favourited ?? false
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if case .success = response {
self.favorited = realStatus.favourited ?? false
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UIImpactFeedbackGenerator(style: .light).impactOccurred()
} else {
self.favorited = oldValue
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print("Couldn't favorite status \(realStatus.id)")
// todo: display error message
UINotificationFeedbackGenerator().notificationOccurred(.error)
return
}
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}
}
}
@IBAction func reblogPressed(_ sender: Any) {
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guard let status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID!)") }
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let oldValue = reblogged
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reblogged = !reblogged
let realStatus: Status = status.reblog ?? status
let request = (reblogged ? Status.reblog : Status.unreblog)(realStatus)
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MastodonController.client.run(request) { response in
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self.reblogged = realStatus.reblogged ?? false
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DispatchQueue.main.async {
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if case .success = response {
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self.reblogged = realStatus.reblogged ?? false
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UIImpactFeedbackGenerator(style: .light).impactOccurred()
} else {
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self.reblogged = oldValue
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print("Couldn't reblog status \(realStatus.id)")
// todo: display error message
UINotificationFeedbackGenerator().notificationOccurred(.error)
}
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}
}
}
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@IBAction func morePressed(_ sender: Any) {
delegate?.showMoreOptions(forStatus: statusID)
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}
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}
extension StatusTableViewCell: TableViewSwipeActionProvider {
static var favoriteActionImage: UIImage = UIGraphicsImageRenderer(size: CGSize(width: 30 * 137/131, height: 30)).image { _ in
UIImage(named: "Favorite")!.draw(in: CGRect(x: 0, y: 0, width: 30 * 137/131, height: 30))
}
static var reblogActionImage: UIImage = UIGraphicsImageRenderer(size: CGSize(width: 30 * 927/558, height: 30)).image { _ in
UIImage(named: "Reblog")!.draw(in: CGRect(x: 0, y: 0, width: 30 * 927/558, height: 30))
}
static var replyActionImage: UIImage = UIGraphicsImageRenderer(size: CGSize(width: 30 * 205/151, height: 30)).image { _ in
UIImage(named: "Reply")!.draw(in: CGRect(x: 0, y: 0, width: 30 * 205/151, height: 30))
}
static var moreActionImage: UIImage = UIGraphicsImageRenderer(size: CGSize(width: 30 * 2/1, height: 30)).image { _ in
UIImage(named: "More")!.draw(in: CGRect(x: 0, y: 0, width: 30 * 2/1, height: 30))
}
func leadingSwipeActionsConfiguration() -> UISwipeActionsConfiguration? {
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guard let status = MastodonCache.status(for: statusID) else { fatalError("Missing cached status \(statusID!)") }
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let favoriteTitle: String
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let favoriteRequest: Request<Status>
let favoriteColor: UIColor
if status.favourited ?? false {
favoriteTitle = "Unfavorite"
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favoriteRequest = Status.unfavourite(status)
favoriteColor = UIColor(displayP3Red: 235/255, green: 77/255, blue: 62/255, alpha: 1)
} else {
favoriteTitle = "Favorite"
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favoriteRequest = Status.favourite(status)
favoriteColor = UIColor(displayP3Red: 1, green: 204/255, blue: 0, alpha: 1)
}
let favorite = UIContextualAction(style: .normal, title: favoriteTitle) { (action, view, completion) in
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MastodonController.client.run(favoriteRequest, completion: { response in
DispatchQueue.main.async {
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guard case let .success(status, _) = response else {
completion(false)
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return
}
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completion(true)
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MastodonCache.add(status: status)
self.updateUI(for: self.reblogStatusID ?? self.statusID)
}
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})
}
favorite.image = StatusTableViewCell.favoriteActionImage
favorite.backgroundColor = favoriteColor
let reblogTitle: String
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let reblogRequest: Request<Status>
let reblogColor: UIColor
if status.reblogged ?? false {
reblogTitle = "Unreblog"
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reblogRequest = Status.unreblog(status)
reblogColor = UIColor(displayP3Red: 235/255, green: 77/255, blue: 62/255, alpha: 1)
} else {
reblogTitle = "Reblog"
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reblogRequest = Status.reblog(status)
reblogColor = tintColor
}
let reblog = UIContextualAction(style: .normal, title: reblogTitle) { (action, view, completion) in
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MastodonController.client.run(reblogRequest, completion: { response in
DispatchQueue.main.async {
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guard case let .success(status, _) = response else {
completion(false)
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return
}
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completion(true)
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MastodonCache.add(status: status)
self.updateUI(for: self.reblogStatusID ?? self.statusID)
}
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})
}
reblog.image = StatusTableViewCell.reblogActionImage
reblog.backgroundColor = reblogColor
return UISwipeActionsConfiguration(actions: [favorite, reblog])
}
func trailingSwipeActionsConfiguration() -> UISwipeActionsConfiguration? {
let reply = UIContextualAction(style: .normal, title: "Reply") { (action, view, completion) in
completion(true)
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self.delegate?.reply(to: self.statusID)
}
reply.image = StatusTableViewCell.replyActionImage
reply.backgroundColor = tintColor
let more = UIContextualAction(style: .normal, title: "More") { (action, view, completion) in
completion(true)
self.delegate?.showMoreOptions(forStatus: self.statusID)
}
more.image = StatusTableViewCell.moreActionImage
more.backgroundColor = .gray
return UISwipeActionsConfiguration(actions: [reply, more])
}
}
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extension StatusTableViewCell: AttachmentViewDelegate {
func showLargeAttachment(for attachmentView: AttachmentView) {
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if let gifData = attachmentView.gifData {
delegate?.showLargeImage(gifData: gifData, description: attachmentView.attachment.description, animatingFrom: attachmentView)
} else {
delegate?.showLargeImage(attachmentView.image!, description: attachmentView.attachment.description, animatingFrom: attachmentView)
}
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}
}
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extension StatusTableViewCell: PreviewViewControllerProvider {
func getPreviewViewController(forLocation location: CGPoint, sourceViewController: UIViewController) -> UIViewController? {
if avatarImageView.frame.contains(location) {
return delegate?.router.profile(for: accountID)
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} else if attachmentsView.frame.contains(location) {
let attachmentsViewLocation = attachmentsView.convert(location, from: self)
if let attachmentView = attachmentsView.subviews.first(where: { $0.frame.contains(attachmentsViewLocation) }) as? AttachmentView {
let image = attachmentView.image!
let description = attachmentView.attachment.description
return delegate?.largeImage(image, description: description, sourceView: attachmentView)
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}
} else if contentLabel.frame.contains(location),
let vc = contentLabel.getViewController(forLinkAt: contentLabel.convert(location, from: self)) {
return vc
}
return delegate?.router.conversation(for: statusID)
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}
}