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
|
//
// InfoHeaderView.swift
// MullvadVPN
//
// Created by Jon Petersson on 2024-10-01.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import MullvadSettings
import UIKit
/// Header view pinned at the top of a ``ViewController``.
class InfoHeaderView: UIView, UITextViewDelegate {
/// Event handler invoked when user taps on the link.
var onAbout: (() -> Void)?
private let infoLabel = UILabel()
private let config: InfoHeaderConfig
init(config: InfoHeaderConfig) {
self.config = config
super.init(frame: .zero)
infoLabel.backgroundColor = .clear
infoLabel.attributedText = makeAttributedString()
infoLabel.adjustsFontForContentSizeCategory = true
infoLabel.numberOfLines = 0
infoLabel.accessibilityTraits = .link
directionalLayoutMargins = .zero
addSubviews()
addTapGestureRecognizer()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
private let defaultTextAttributes: [NSAttributedString.Key: Any] = [
.font: UIFont.mullvadTiny,
.foregroundColor: UIColor.ContentHeading.textColor,
]
private let defaultLinkAttributes: [NSAttributedString.Key: Any] = [
.font: UIFont.mullvadTiny,
.foregroundColor: UIColor.ContentHeading.linkColor,
.attachment: "#",
]
private func makeAttributedString() -> NSAttributedString {
let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.lineBreakMode = .byWordWrapping
let attributedString = NSMutableAttributedString()
attributedString.append(NSAttributedString(string: config.body, attributes: defaultTextAttributes))
attributedString.append(NSAttributedString(string: " ", attributes: defaultTextAttributes))
attributedString.append(NSAttributedString(string: config.link, attributes: defaultLinkAttributes))
attributedString.addAttribute(
.paragraphStyle,
value: paragraphStyle,
range: NSRange(location: 0, length: attributedString.length)
)
return attributedString
}
private func addSubviews() {
addConstrainedSubviews([infoLabel]) {
infoLabel.pinEdgesToSuperviewMargins()
}
}
private func addTapGestureRecognizer() {
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTextViewTap))
addGestureRecognizer(tapGesture)
}
@objc
private func handleTextViewTap() {
onAbout?()
}
}
|
