1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
//
// NotificationBannerView.swift
// MullvadVPN
//
// Created by pronebird on 01/06/2021.
// Copyright © 2021 Mullvad VPN AB. All rights reserved.
//
import UIKit
enum NotificationBannerStyle {
case success, warning, error
fileprivate var color: UIColor {
switch self {
case .success:
return UIColor.InAppNotificationBanner.successIndicatorColor
case .warning:
return UIColor.InAppNotificationBanner.warningIndicatorColor
case .error:
return UIColor.InAppNotificationBanner.errorIndicatorColor
}
}
}
class NotificationBannerView: UIView {
private static let indicatorViewSize = CGSize(width: 12, height: 12)
private let backgroundView: UIVisualEffectView = {
let effect = UIBlurEffect(style: .dark)
let visualEffectView = UIVisualEffectView(effect: effect)
visualEffectView.translatesAutoresizingMaskIntoConstraints = false
return visualEffectView
}()
private let titleLabel: UILabel = {
let textLabel = UILabel()
textLabel.translatesAutoresizingMaskIntoConstraints = false
textLabel.font = UIFont.systemFont(ofSize: 17, weight: .bold)
textLabel.textColor = UIColor.InAppNotificationBanner.titleColor
textLabel.numberOfLines = 0
textLabel.lineBreakMode = .byWordWrapping
return textLabel
}()
private let bodyLabel: UILabel = {
let textLabel = UILabel()
textLabel.translatesAutoresizingMaskIntoConstraints = false
textLabel.font = UIFont.systemFont(ofSize: 17)
textLabel.textColor = UIColor.InAppNotificationBanner.bodyColor
textLabel.numberOfLines = 0
textLabel.lineBreakMode = .byWordWrapping
return textLabel
}()
private let indicatorView: UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
view.backgroundColor = .dangerColor
view.layer.cornerRadius = NotificationBannerView.indicatorViewSize.width * 0.5
if #available(iOS 13.0, *) {
view.layer.cornerCurve = .circular
}
return view
}()
private let wrapperView: UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
view.layoutMargins = UIMetrics.inAppBannerNotificationLayoutMargins
return view
}()
var title: String? {
didSet {
titleLabel.text = title
}
}
var body: String? {
didSet {
bodyLabel.text = body
}
}
var style: NotificationBannerStyle = .error {
didSet {
indicatorView.backgroundColor = style.color
}
}
override init(frame: CGRect) {
super.init(frame: frame)
for subview in [titleLabel, bodyLabel, indicatorView] {
wrapperView.addSubview(subview)
}
backgroundView.contentView.addSubview(wrapperView)
addSubview(backgroundView)
NSLayoutConstraint.activate([
backgroundView.topAnchor.constraint(equalTo: topAnchor),
backgroundView.leadingAnchor.constraint(equalTo: leadingAnchor),
backgroundView.trailingAnchor.constraint(equalTo: trailingAnchor),
backgroundView.bottomAnchor.constraint(equalTo: bottomAnchor),
wrapperView.topAnchor.constraint(equalTo: backgroundView.contentView.topAnchor),
wrapperView.leadingAnchor.constraint(equalTo: backgroundView.contentView.leadingAnchor),
wrapperView.trailingAnchor.constraint(equalTo: backgroundView.contentView.trailingAnchor),
wrapperView.bottomAnchor.constraint(equalTo: backgroundView.contentView.bottomAnchor),
indicatorView.bottomAnchor.constraint(equalTo: titleLabel.firstBaselineAnchor),
indicatorView.leadingAnchor.constraint(equalTo: wrapperView.layoutMarginsGuide.leadingAnchor),
indicatorView.widthAnchor.constraint(equalToConstant: Self.indicatorViewSize.width),
indicatorView.heightAnchor.constraint(equalToConstant: Self.indicatorViewSize.height),
titleLabel.topAnchor.constraint(equalTo: wrapperView.layoutMarginsGuide.topAnchor),
titleLabel.leadingAnchor.constraint(equalToSystemSpacingAfter: indicatorView.trailingAnchor, multiplier: 1),
titleLabel.trailingAnchor.constraint(equalTo: wrapperView.layoutMarginsGuide.trailingAnchor),
bodyLabel.topAnchor.constraint(equalToSystemSpacingBelow: titleLabel.bottomAnchor, multiplier: 1),
bodyLabel.leadingAnchor.constraint(equalTo: titleLabel.leadingAnchor),
bodyLabel.trailingAnchor.constraint(equalTo: titleLabel.trailingAnchor),
bodyLabel.bottomAnchor.constraint(equalTo: wrapperView.layoutMarginsGuide.bottomAnchor)
])
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
|
