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81 lines
2.7 KiB
Swift
81 lines
2.7 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@objc
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public class VoiceMemoLockView: UIView {
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private var offsetConstraint: NSLayoutConstraint!
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private let offsetFromToolbar: CGFloat = 40
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private let backgroundViewInitialHeight: CGFloat = 80
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private var chevronTravel: CGFloat {
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return -1 * (backgroundViewInitialHeight - 50)
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}
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@objc
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public override init(frame: CGRect) {
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super.init(frame: frame)
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addSubview(backgroundView)
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backgroundView.addSubview(lockIconView)
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backgroundView.addSubview(chevronView)
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layoutMargins = UIEdgeInsets(top: 0, leading: 0, bottom: offsetFromToolbar, trailing: 0)
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backgroundView.autoPinEdges(toSuperviewMarginsExcludingEdge: .bottom)
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self.offsetConstraint = backgroundView.autoPinEdge(toSuperviewMargin: .bottom)
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// we anchor the top so that the bottom "slides up" to meet it as the user slides the lock
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backgroundView.autoPinEdge(.top, to: .bottom, of: self, withOffset: -offsetFromToolbar - backgroundViewInitialHeight)
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backgroundView.layoutMargins = UIEdgeInsets(top: 6, leading: 6, bottom: 6, trailing: 6)
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lockIconView.autoPinEdges(toSuperviewMarginsExcludingEdge: .bottom)
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chevronView.autoPinEdges(toSuperviewMarginsExcludingEdge: .top)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// MARK: -
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@objc
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public func update(ratioComplete: CGFloat) {
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offsetConstraint.constant = CGFloatLerp(0, chevronTravel, ratioComplete)
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}
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// MARK: - Subviews
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private lazy var lockIconView: UIImageView = {
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let imageTemplate = #imageLiteral(resourceName: "ic_lock_outline").withRenderingMode(.alwaysTemplate)
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let imageView = UIImageView(image: imageTemplate)
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imageView.tintColor = Colors.destructive
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imageView.autoSetDimensions(to: CGSize(width: 24, height: 24))
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return imageView
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}()
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private lazy var chevronView: UIView = {
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let label = UILabel()
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label.text = "\u{2303}"
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label.textColor = Colors.destructive
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label.textAlignment = .center
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return label
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}()
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private lazy var backgroundView: UIView = {
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let view = UIView()
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let width: CGFloat = 36
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view.autoSetDimension(.width, toSize: width)
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view.backgroundColor = Colors.composeViewBackground
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view.layer.cornerRadius = width / 2
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view.layer.borderColor = Colors.text.withAlphaComponent(Values.composeViewTextFieldBorderOpacity).cgColor
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view.layer.borderWidth = Values.composeViewTextFieldBorderThickness
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return view
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}()
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}
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