145 lines
3.9 KiB
Swift
145 lines
3.9 KiB
Swift
//
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// Copyright 2017 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import UIKit
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open class ReminderView: UIView {
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public enum Style {
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case info
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case warning
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}
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static func warningBackgroundColor(forceDarkMode: Bool = false) -> UIColor {
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if forceDarkMode || Theme.isDarkThemeEnabled {
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return .ows_gray75
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} else {
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return UIColor(rgbHex: 0xFCF0D9)
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}
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}
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private let style: Style
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public var text: String {
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didSet { render() }
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}
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public var actionTitle: String? {
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didSet { render() }
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}
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public var tapAction: () -> Void
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@available(*, unavailable, message: "use other constructor instead.")
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required public init(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@available(*, unavailable, message: "use other constructor instead.")
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override init(frame: CGRect) {
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fatalError("init(frame:) has not been implemented")
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}
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public init(
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style: Style,
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text: String,
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actionTitle: String? = nil,
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tapAction: @escaping () -> Void = {}
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) {
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self.style = style
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self.text = text
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self.tapAction = tapAction
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super.init(frame: .zero)
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self.actionTitle = actionTitle
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NotificationCenter.default.addObserver(
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self,
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selector: #selector(render),
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name: .themeDidChange,
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object: nil
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)
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self.addGestureRecognizer(UITapGestureRecognizer(
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target: self,
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action: #selector(handleTap(gestureRecognizer:))
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))
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initialRender()
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}
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// MARK: - Rendering
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private lazy var backgroundView = UIView()
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private lazy var textLabel: UILabel = {
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let result = UILabel()
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result.font = .dynamicTypeSubheadline
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result.numberOfLines = 0
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result.lineBreakMode = .byWordWrapping
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return result
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}()
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private lazy var actionLabel: UILabel = {
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let result = UILabel()
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result.font = .dynamicTypeSubheadline.semibold()
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result.numberOfLines = 0
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result.lineBreakMode = .byWordWrapping
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return result
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}()
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private lazy var textContainer: UIStackView = {
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let result = UIStackView()
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result.axis = .vertical
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result.spacing = 8
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result.alignment = .trailing
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return result
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}()
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private func initialRender() {
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self.layoutMargins = .init(hMargin: 18, vMargin: 12)
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self.addSubview(backgroundView)
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backgroundView.autoPinEdgesToSuperviewMargins()
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backgroundView.layer.cornerRadius = 12
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backgroundView.layoutMargins = .init(top: 14, leading: 16, bottom: 14, trailing: 16)
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backgroundView.addSubview(textContainer)
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textContainer.addArrangedSubview(textLabel)
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textContainer.autoPinEdgesToSuperviewMargins()
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textLabel.autoPinWidthToSuperviewMargins()
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render()
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}
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@objc
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private func render() {
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textLabel.text = text
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textLabel.textColor = Theme.primaryTextColor
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actionLabel.textColor = Theme.primaryTextColor
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textContainer.removeArrangedSubview(actionLabel)
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if let actionTitle {
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actionLabel.text = actionTitle
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textContainer.addArrangedSubview(actionLabel)
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layoutMargins.bottom = 10
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} else {
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layoutMargins.bottom = 14
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}
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self.backgroundColor = Theme.backgroundColor
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switch style {
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case .warning:
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backgroundView.backgroundColor = Self.warningBackgroundColor()
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case .info:
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backgroundView.backgroundColor = Theme.secondaryBackgroundColor
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}
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}
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@objc
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private func handleTap(gestureRecognizer: UIGestureRecognizer) {
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guard gestureRecognizer.state == .recognized else {
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return
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}
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tapAction()
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}
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}
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