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
134
135
136
|
//
// SelectLocationViewController.swift
// MullvadVPN
//
// Created by pronebird on 02/05/2019.
// Copyright © 2019 Mullvad VPN AB. All rights reserved.
//
import MullvadLogging
import MullvadTypes
import RelayCache
import UIKit
final class SelectLocationViewController: UIViewController {
private let searchBar = UISearchBar()
private let tableView = UITableView()
private var dataSource: LocationDataSource?
private var cachedRelays: CachedRelays?
var relayLocation: RelayLocation?
override var preferredStatusBarStyle: UIStatusBarStyle {
.lightContent
}
var didSelectRelay: ((RelayLocation) -> Void)?
var didFinish: (() -> Void)?
// MARK: - View lifecycle
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .secondaryColor
navigationItem.title = NSLocalizedString(
"NAVIGATION_TITLE",
tableName: "SelectLocation",
value: "Select location",
comment: ""
)
navigationItem.rightBarButtonItem = UIBarButtonItem(
systemItem: .done,
primaryAction: UIAction(handler: { [weak self] _ in
self?.didFinish?()
})
)
setupDataSource()
setupTableView()
setupSearchBar()
view.addConstrainedSubviews([searchBar, tableView]) {
searchBar.pinEdgesToSuperviewMargins(.all().excluding(.bottom))
tableView.pinEdgesToSuperview(.all().excluding(.top))
tableView.topAnchor.constraint(equalTo: searchBar.bottomAnchor)
}
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
tableView.flashScrollIndicators()
}
override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
super.viewWillTransition(to: size, with: coordinator)
coordinator.animate(alongsideTransition: nil) { _ in
guard let indexPath = self.dataSource?.indexPathForSelectedRelay() else { return }
self.tableView.scrollToRow(at: indexPath, at: .middle, animated: false)
}
}
// MARK: - Public
func setCachedRelays(_ cachedRelays: CachedRelays) {
self.cachedRelays = cachedRelays
dataSource?.setRelays(cachedRelays.relays)
}
// MARK: - Private
private func setupDataSource() {
dataSource = LocationDataSource(tableView: tableView)
dataSource?.didSelectRelayLocation = { [weak self] location in
self?.didSelectRelay?(location)
}
dataSource?.selectedRelayLocation = relayLocation
if let cachedRelays {
dataSource?.setRelays(cachedRelays.relays)
}
}
private func setupTableView() {
tableView.backgroundColor = view.backgroundColor
tableView.separatorColor = .secondaryColor
tableView.separatorInset = .zero
tableView.estimatedRowHeight = 53
tableView.indicatorStyle = .white
tableView.keyboardDismissMode = .onDrag
}
private func setupSearchBar() {
searchBar.delegate = self
searchBar.searchBarStyle = .minimal
searchBar.layer.cornerRadius = 8
searchBar.clipsToBounds = true
searchBar.placeholder = NSLocalizedString(
"SEARCHBAR_PLACEHOLDER",
tableName: "SelectLocation",
value: "Search for...",
comment: ""
)
UITextField.SearchTextFieldAppearance.inactive.apply(to: searchBar)
}
}
extension SelectLocationViewController: UISearchBarDelegate {
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
dataSource?.filterRelays(by: searchText)
}
func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {
UITextField.SearchTextFieldAppearance.active.apply(to: searchBar)
}
func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {
UITextField.SearchTextFieldAppearance.inactive.apply(to: searchBar)
}
}
|
