72 lines
2.8 KiB
Swift
72 lines
2.8 KiB
Swift
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final class InfoMessageCell : MessageCell {
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private lazy var iconImageViewWidthConstraint = iconImageView.set(.width, to: InfoMessageCell.iconSize)
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private lazy var iconImageViewHeightConstraint = iconImageView.set(.height, to: InfoMessageCell.iconSize)
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// MARK: UI Components
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private lazy var iconImageView = UIImageView()
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private lazy var label: UILabel = {
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let result = UILabel()
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result.numberOfLines = 0
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result.lineBreakMode = .byWordWrapping
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result.font = .boldSystemFont(ofSize: Values.verySmallFontSize)
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result.textColor = Colors.text
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result.textAlignment = .center
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return result
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}()
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private lazy var stackView: UIStackView = {
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let result = UIStackView(arrangedSubviews: [ iconImageView, label ])
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result.axis = .vertical
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result.alignment = .center
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result.spacing = Values.smallSpacing
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return result
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}()
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// MARK: Settings
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private static let iconSize: CGFloat = 16
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private static let inset = Values.mediumSpacing
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override class var identifier: String { "InfoMessageCell" }
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// MARK: Lifecycle
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override func setUpViewHierarchy() {
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super.setUpViewHierarchy()
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iconImageViewWidthConstraint.isActive = true
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iconImageViewHeightConstraint.isActive = true
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addSubview(stackView)
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stackView.pin(.left, to: .left, of: self, withInset: InfoMessageCell.inset)
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stackView.pin(.top, to: .top, of: self, withInset: InfoMessageCell.inset)
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stackView.pin(.right, to: .right, of: self, withInset: -InfoMessageCell.inset)
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stackView.pin(.bottom, to: .bottom, of: self, withInset: -InfoMessageCell.inset)
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}
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// MARK: Updating
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override func update() {
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guard let message = viewItem?.interaction as? TSInfoMessage else { return }
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let icon: UIImage?
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switch message.messageType {
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case .typeDisappearingMessagesUpdate:
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var configuration: OWSDisappearingMessagesConfiguration?
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Storage.read { transaction in
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configuration = message.thread(with: transaction).disappearingMessagesConfiguration(with: transaction)
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}
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if let configuration = configuration {
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icon = configuration.isEnabled ? UIImage(named: "ic_timer") : UIImage(named: "ic_timer_disabled")
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} else {
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icon = nil
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}
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default: icon = nil
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}
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if let icon = icon {
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iconImageView.image = icon.withTint(Colors.text)
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}
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iconImageViewWidthConstraint.constant = (icon != nil) ? InfoMessageCell.iconSize : 0
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iconImageViewHeightConstraint.constant = (icon != nil) ? InfoMessageCell.iconSize : 0
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Storage.read { transaction in
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self.label.text = message.previewText(with: transaction)
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}
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}
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}
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