132 lines
5.1 KiB
Swift
132 lines
5.1 KiB
Swift
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final class ConversationTitleView : UIView {
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private let thread: TSThread
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weak var delegate: ConversationTitleViewDelegate?
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override var intrinsicContentSize: CGSize {
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return UIView.layoutFittingExpandedSize
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}
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// MARK: UI 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: 13)
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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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init(thread: TSThread) {
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self.thread = thread
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super.init(frame: CGRect.zero)
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initialize()
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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(coder:) instead.")
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}
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private func initialize() {
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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.isLayoutMarginsRelativeArrangement = true
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stackView.layoutMargins = UIEdgeInsets(top: 0, left: 8, bottom: 0, right: 0)
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addSubview(stackView)
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stackView.pin(to: self)
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let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTap))
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addGestureRecognizer(tapGestureRecognizer)
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let notificationCenter = NotificationCenter.default
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notificationCenter.addObserver(self, selector: #selector(update), name: Notification.Name.groupThreadUpdated, object: nil)
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notificationCenter.addObserver(self, selector: #selector(update), name: Notification.Name.muteSettingUpdated, object: nil)
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notificationCenter.addObserver(self, selector: #selector(update), name: Notification.Name.contactUpdated, object: nil)
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update()
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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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@objc private func update() {
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titleLabel.text = getTitle()
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let subtitle = getSubtitle()
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subtitleLabel.attributedText = subtitle
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let titleFontSize = (subtitle != nil) ? Values.mediumFontSize : Values.veryLargeFontSize
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titleLabel.font = .boldSystemFont(ofSize: titleFontSize)
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}
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// MARK: General
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private func getTitle() -> String {
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if let thread = thread as? TSGroupThread {
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return thread.groupModel.groupName!
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} else if thread.isNoteToSelf() {
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return "Note to Self"
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} else {
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let sessionID = (thread as! TSContactThread).contactSessionID()
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var result = sessionID
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Storage.read { transaction in
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result = Storage.shared.getContact(with: sessionID)?.displayName(for: .regular) ?? "Anonymous"
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}
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return result
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}
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}
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private func getSubtitle() -> NSAttributedString? {
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let result = NSMutableAttributedString()
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if thread.isMuted {
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result.append(NSAttributedString(string: "\u{e067} ", attributes: [ .font : UIFont.ows_elegantIconsFont(10), .foregroundColor : Colors.text ]))
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result.append(NSAttributedString(string: "Muted"))
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return result
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} else if let thread = self.thread as? TSGroupThread {
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if thread.isOnlyNotifyingForMentions {
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let imageAttachment = NSTextAttachment()
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let color: UIColor = isDarkMode ? .white : .black
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imageAttachment.image = UIImage(named: "NotifyMentions.png")?.asTintedImage(color: color)
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imageAttachment.bounds = CGRect(x: 0, y: -2, width: Values.smallFontSize, height: Values.smallFontSize)
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let imageAsString = NSAttributedString(attachment: imageAttachment)
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result.append(imageAsString)
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result.append(NSAttributedString(string: " " + NSLocalizedString("view_conversation_title_notify_for_mentions_only", comment: "")))
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return result
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} else {
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var userCount: UInt64?
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switch thread.groupModel.groupType {
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case .closedGroup: userCount = UInt64(thread.groupModel.groupMemberIds.count)
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case .openGroup:
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guard let openGroupV2 = Storage.shared.getV2OpenGroup(for: self.thread.uniqueId!) else { return nil }
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userCount = Storage.shared.getUserCount(forV2OpenGroupWithID: openGroupV2.id)
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default: break
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}
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if let userCount = userCount {
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return NSAttributedString(string: "\(userCount) members")
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}
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}
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}
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return nil
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}
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// MARK: Interaction
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@objc private func handleTap() {
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delegate?.handleTitleViewTapped()
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}
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}
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// MARK: Delegate
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protocol ConversationTitleViewDelegate : AnyObject {
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func handleTitleViewTapped()
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}
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