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202 lines
10 KiB
Swift
202 lines
10 KiB
Swift
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@objc(LKConversationTitleView)
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final class ConversationTitleView : UIView {
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private let thread: TSThread
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private var currentStatus: Status? { didSet { updateSubtitleForCurrentStatus() } }
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// MARK: Types
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private enum Status : Int {
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case calculatingPoW = 1
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case contactingNetwork = 2
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case sendingMessage = 3
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case messageSent = 4
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case messageFailed = 5
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}
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// MARK: Components
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private lazy var titleLabel: UILabel = {
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let result = UILabel()
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result.textColor = Colors.text
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result.font = .boldSystemFont(ofSize: Values.mediumFontSize)
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result.lineBreakMode = .byTruncatingTail
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return result
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}()
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private lazy var subtitleLabel: UILabel = {
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let result = UILabel()
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result.textColor = Colors.text
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result.font = .systemFont(ofSize: Values.smallFontSize)
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result.lineBreakMode = .byTruncatingTail
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return result
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}()
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// MARK: Lifecycle
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@objc init(thread: TSThread) {
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self.thread = thread
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super.init(frame: CGRect.zero)
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setUpViewHierarchy()
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updateTitle()
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updateSubtitleForCurrentStatus()
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let notificationCenter = NotificationCenter.default
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notificationCenter.addObserver(self, selector: #selector(handleProfileChangedNotification(_:)), name: NSNotification.Name(rawValue: kNSNotificationName_OtherUsersProfileDidChange), object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleCalculatingPoWNotification(_:)), name: .calculatingPoW, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleContactingNetworkNotification(_:)), name: .contactingNetwork, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleSendingMessageNotification(_:)), name: .sendingMessage, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleMessageSentNotification(_:)), name: .messageSent, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleMessageFailedNotification(_:)), name: .messageFailed, object: nil)
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}
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override init(frame: CGRect) {
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preconditionFailure("Use init(thread:) instead.")
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}
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required init?(coder: NSCoder) {
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preconditionFailure("Use init(thread:) instead.")
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}
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private func setUpViewHierarchy() {
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let stackView = UIStackView(arrangedSubviews: [ titleLabel, subtitleLabel ])
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stackView.axis = .vertical
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stackView.alignment = .center
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stackView.layoutMargins = UIEdgeInsets(top: 4, left: 8, bottom: 4, right: 0) // Compensate for settings button trailing margin
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stackView.isLayoutMarginsRelativeArrangement = true
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addSubview(stackView)
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stackView.pin(to: self)
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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// MARK: Updating
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private func updateTitle() {
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let title: String
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if thread.isGroupThread() {
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if thread.name().isEmpty {
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title = GroupDisplayNameUtilities.getDefaultDisplayName(for: thread as! TSGroupThread)
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} else {
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title = thread.name()
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}
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} else {
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if thread.isNoteToSelf() {
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title = NSLocalizedString("Note to Self", comment: "")
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} else {
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let hexEncodedPublicKey = thread.contactIdentifier()!
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title = UserDisplayNameUtilities.getPrivateChatDisplayName(for: hexEncodedPublicKey) ?? hexEncodedPublicKey
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}
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}
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titleLabel.text = title
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}
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@objc private func handleProfileChangedNotification(_ notification: Notification) {
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guard let hexEncodedPublicKey = notification.userInfo?[kNSNotificationKey_ProfileRecipientId] as? String, let thread = self.thread as? TSContactThread,
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hexEncodedPublicKey == thread.contactIdentifier() else { return }
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updateTitle()
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}
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@objc private func handleCalculatingPoWNotification(_ notification: Notification) {
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guard let timestamp = notification.object as? NSNumber else { return }
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setStatusIfNeeded(to: .calculatingPoW, forMessageWithTimestamp: timestamp)
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}
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@objc private func handleContactingNetworkNotification(_ notification: Notification) {
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guard let timestamp = notification.object as? NSNumber else { return }
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setStatusIfNeeded(to: .contactingNetwork, forMessageWithTimestamp: timestamp)
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}
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@objc private func handleSendingMessageNotification(_ notification: Notification) {
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guard let timestamp = notification.object as? NSNumber else { return }
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setStatusIfNeeded(to: .sendingMessage, forMessageWithTimestamp: timestamp)
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}
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@objc private func handleMessageSentNotification(_ notification: Notification) {
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guard let timestamp = notification.object as? NSNumber else { return }
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setStatusIfNeeded(to: .messageSent, forMessageWithTimestamp: timestamp)
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DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
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self.clearStatusIfNeededForMessageWithTimestamp(timestamp)
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}
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}
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@objc private func handleMessageFailedNotification(_ notification: Notification) {
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guard let timestamp = notification.object as? NSNumber else { return }
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clearStatusIfNeededForMessageWithTimestamp(timestamp)
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}
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private func setStatusIfNeeded(to status: Status, forMessageWithTimestamp timestamp: NSNumber) {
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var uncheckedTargetInteraction: TSInteraction? = nil
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thread.enumerateInteractions { interaction in
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guard interaction.timestamp == timestamp.uint64Value else { return }
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uncheckedTargetInteraction = interaction
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}
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guard let targetInteraction = uncheckedTargetInteraction, targetInteraction.interactionType() == .outgoingMessage, status.rawValue > (currentStatus?.rawValue ?? 0) else { return }
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currentStatus = status
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}
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private func clearStatusIfNeededForMessageWithTimestamp(_ timestamp: NSNumber) {
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var uncheckedTargetInteraction: TSInteraction? = nil
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thread.enumerateInteractions { interaction in
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guard interaction.timestamp == timestamp.uint64Value else { return }
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uncheckedTargetInteraction = interaction
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}
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guard let targetInteraction = uncheckedTargetInteraction, targetInteraction.interactionType() == .outgoingMessage else { return }
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self.currentStatus = nil
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}
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@objc func updateSubtitleForCurrentStatus() {
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DispatchQueue.main.async {
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self.subtitleLabel.isHidden = false
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switch self.currentStatus {
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case .calculatingPoW: self.subtitleLabel.text = NSLocalizedString("Encrypting message", comment: "")
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case .contactingNetwork: self.subtitleLabel.text = NSLocalizedString("Tracing a path", comment: "")
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case .sendingMessage: self.subtitleLabel.text = NSLocalizedString("Sending message", comment: "")
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case .messageSent: self.subtitleLabel.text = NSLocalizedString("Message sent securely", comment: "")
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case .messageFailed: self.subtitleLabel.text = NSLocalizedString("Message failed to send", comment: "")
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case nil:
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let subtitle = NSMutableAttributedString()
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if let muteEndDate = self.thread.mutedUntilDate {
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subtitle.append(NSAttributedString(string: "\u{e067} ", attributes: [ .font : UIFont.ows_elegantIconsFont(10), .foregroundColor : Colors.unimportant ]))
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let dateFormatter = DateFormatter()
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dateFormatter.locale = Locale.current
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dateFormatter.timeStyle = .medium
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dateFormatter.dateStyle = .medium
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subtitle.append(NSAttributedString(string: "Muted until " + dateFormatter.string(from: muteEndDate)))
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} else if let thread = self.thread as? TSGroupThread, !thread.isRSSFeed {
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let storage = OWSPrimaryStorage.shared()
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var userCount: Int?
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if thread.groupModel.groupType == .closedGroup {
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userCount = GroupUtilities.getClosedGroupMemberCount(thread)
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} else if thread.groupModel.groupType == .openGroup {
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storage.dbReadConnection.readWrite { transaction in
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if let publicChat = LokiDatabaseUtilities.getPublicChat(for: self.thread.uniqueId!, in: transaction) {
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userCount = storage.getUserCount(for: publicChat, in: transaction)
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}
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}
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}
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if let userCount = userCount {
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if userCount >= 200 {
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subtitle.append(NSAttributedString(string: "200+ members"))
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} else {
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subtitle.append(NSAttributedString(string: "\(userCount) members"))
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}
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} else if let hexEncodedPublicKey = (self.thread as? TSContactThread)?.contactIdentifier(), ECKeyPair.isValidHexEncodedPublicKey(candidate: hexEncodedPublicKey) {
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subtitle.append(NSAttributedString(string: hexEncodedPublicKey))
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} else {
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self.subtitleLabel.isHidden = true
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}
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} else if let hexEncodedPublicKey = (self.thread as? TSContactThread)?.contactIdentifier(), ECKeyPair.isValidHexEncodedPublicKey(candidate: hexEncodedPublicKey) {
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subtitle.append(NSAttributedString(string: hexEncodedPublicKey))
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} else {
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self.subtitleLabel.isHidden = true
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}
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self.subtitleLabel.attributedText = subtitle
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}
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self.titleLabel.font = .boldSystemFont(ofSize: self.subtitleLabel.isHidden ? Values.veryLargeFontSize : Values.mediumFontSize)
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}
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}
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// MARK: Layout
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public override var intrinsicContentSize: CGSize {
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return UIView.layoutFittingExpandedSize
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}
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}
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