Swiftgram/TelegramUI/AuthorizationSequenceCountrySelectionController.swift
2018-06-16 20:03:02 +03:00

486 lines
19 KiB
Swift

import Foundation
import Display
import AsyncDisplayKit
private func loadCountryCodes() -> [(String, Int)] {
guard let filePath = frameworkBundle.path(forResource: "PhoneCountries", ofType: "txt") else {
return []
}
guard let stringData = try? Data(contentsOf: URL(fileURLWithPath: filePath)) else {
return []
}
guard let data = String(data: stringData, encoding: .utf8) else {
return []
}
let delimiter = ";"
let endOfLine = "\n"
var result: [(String, Int)] = []
var currentLocation = data.startIndex
while true {
guard let codeRange = data.range(of: delimiter, options: [], range: currentLocation ..< data.endIndex) else {
break
}
let countryCode = String(data[currentLocation ..< codeRange.lowerBound])
guard let idRange = data.range(of: delimiter, options: [], range: codeRange.upperBound ..< data.endIndex) else {
break
}
let countryId = String(data[codeRange.upperBound ..< idRange.lowerBound])
let maybeNameRange = data.range(of: endOfLine, options: [], range: idRange.upperBound ..< data.endIndex)
if let countryCodeInt = Int(countryCode) {
result.append((countryId, countryCodeInt))
}
if let maybeNameRange = maybeNameRange {
currentLocation = maybeNameRange.upperBound
} else {
break
}
}
return result
}
private let countryCodes: [(String, Int)] = loadCountryCodes()
private final class InnerCoutrySearchResultsController: UIViewController, UITableViewDelegate, UITableViewDataSource {
private let displayCodes: Bool
private let needsSubtitle: Bool
private let theme: AuthorizationTheme
private let tableView: UITableView
var searchResults: [((String, String), String, Int)] = [] {
didSet {
self.tableView.reloadData()
}
}
var itemSelected: ((((String, String), String, Int)) -> Void)?
init(strings: PresentationStrings, theme: AuthorizationTheme, displayCodes: Bool, needsSubtitle: Bool) {
self.displayCodes = displayCodes
self.theme = theme
self.needsSubtitle = needsSubtitle
self.tableView = UITableView(frame: CGRect(), style: .plain)
super.init(nibName: nil, bundle: nil)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = .white
self.view.addSubview(self.tableView)
self.tableView.frame = self.view.bounds
self.tableView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
self.tableView.dataSource = self
self.tableView.delegate = self
self.tableView.backgroundColor = self.theme.backgroundColor
self.tableView.separatorColor = self.theme.separatorColor
self.tableView.backgroundView = UIView()
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.searchResults.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell: UITableViewCell
if let currentCell = tableView.dequeueReusableCell(withIdentifier: "CountryCell") {
cell = currentCell
} else {
cell = UITableViewCell(style: self.needsSubtitle ? .subtitle : .default, reuseIdentifier: "CountryCell")
let label = UILabel()
label.font = Font.medium(17.0)
cell.accessoryView = label
cell.selectedBackgroundView = UIView()
}
cell.textLabel?.text = self.searchResults[indexPath.row].0.1
cell.detailTextLabel?.text = self.searchResults[indexPath.row].0.0
if self.displayCodes, let label = cell.accessoryView as? UILabel {
label.text = "+\(self.searchResults[indexPath.row].2)"
label.sizeToFit()
label.textColor = self.theme.primaryColor
}
cell.textLabel?.textColor = self.theme.primaryColor
cell.detailTextLabel?.textColor = self.theme.primaryColor
cell.backgroundColor = self.theme.backgroundColor
cell.selectedBackgroundView?.backgroundColor = self.theme.itemHighlightedBackgroundColor
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
self.itemSelected?(self.searchResults[indexPath.row])
}
}
private final class InnerCountrySelectionController: UIViewController, UITableViewDelegate, UITableViewDataSource, UISearchResultsUpdating, UISearchBarDelegate {
private let strings: PresentationStrings
private let theme: AuthorizationTheme
private let displayCodes: Bool
private let needsSubtitle: Bool
private let tableView: UITableView
private let sections: [(String, [((String, String), String, Int)])]
private let sectionTitles: [String]
private var searchController: UISearchController!
private var searchResultsController: InnerCoutrySearchResultsController!
var dismiss: (() -> Void)?
var itemSelected: ((((String, String), String, Int)) -> Void)?
init(strings: PresentationStrings, theme: AuthorizationTheme, displayCodes: Bool) {
self.strings = strings
self.theme = theme
self.displayCodes = displayCodes
self.needsSubtitle = strings.languageCode != "en"
self.tableView = UITableView(frame: CGRect(), style: .plain)
let countryNamesAndCodes = localizedContryNamesAndCodes(strings: strings)
var sections: [(String, [((String, String), String, Int)])] = []
for (names, id, code) in countryNamesAndCodes.sorted(by: { lhs, rhs in
return lhs.0 < rhs.0
}) {
let title = String(names.1[names.1.startIndex ..< names.1.index(after: names.1.startIndex)]).uppercased()
if sections.isEmpty || sections[sections.count - 1].0 != title {
sections.append((title, []))
}
sections[sections.count - 1].1.append((names, id, code))
}
self.sections = sections
var sectionTitles = sections.map { $0.0 }
sectionTitles.insert(UITableViewIndexSearch, at: 0)
self.sectionTitles = sectionTitles
super.init(nibName: nil, bundle: nil)
self.title = strings.Login_SelectCountry_Title
self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: strings.Common_Cancel, style: .plain, target: self, action: #selector(self.cancelPressed))
self.definesPresentationContext = true
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = .white
self.searchResultsController = InnerCoutrySearchResultsController(strings: self.strings, theme: self.theme, displayCodes: self.displayCodes, needsSubtitle: self.needsSubtitle)
self.searchResultsController.itemSelected = { [weak self] item in
self?.itemSelected?(item)
}
self.searchController = UISearchController(searchResultsController: self.searchResultsController)
self.searchController.searchResultsUpdater = self
self.searchController.dimsBackgroundDuringPresentation = false
self.searchController.searchBar.delegate = self
self.searchController.searchBar.keyboardAppearance = self.theme.keyboardAppearance
self.searchController.hidesNavigationBarDuringPresentation = true
self.view.addSubview(self.tableView)
self.tableView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
self.tableView.tableHeaderView = self.searchController.searchBar
self.tableView.dataSource = self
self.tableView.delegate = self
self.tableView.sectionIndexColor = self.theme.accentColor
self.tableView.backgroundColor = self.theme.backgroundColor
self.tableView.separatorColor = self.theme.separatorColor
self.tableView.backgroundView = UIView()
self.tableView.frame = self.view.bounds
self.view.addSubview(self.tableView)
self.searchController.searchBar.barTintColor = self.theme.searchBarBackgroundColor
self.searchController.searchBar.tintColor = self.theme.accentColor
self.searchController.searchBar.backgroundColor = self.theme.searchBarBackgroundColor
self.searchController.searchBar.setTextColor(theme.searchBarTextColor)
let searchImage = generateImage(CGSize(width: 8.0, height: 28.0), rotatedContext: { size, context in
context.clear(CGRect(origin: CGPoint(), size: size))
context.setFillColor(self.theme.searchBarFillColor.cgColor)
context.fillEllipse(in: CGRect(origin: CGPoint(), size: CGSize(width: size.width, height: size.width)))
context.fillEllipse(in: CGRect(origin: CGPoint(x: 0.0, y: size.height - size.width), size: CGSize(width: size.width, height: size.width)))
context.fill(CGRect(origin: CGPoint(x: 0.0, y: size.width / 2.0), size: CGSize(width: size.width, height: size.height - size.width)))
})
self.searchController.searchBar.setSearchFieldBackgroundImage(searchImage, for: [])
self.searchController.searchBar.backgroundImage = UIImage()
}
override func viewWillLayoutSubviews() {
super.viewWillLayoutSubviews()
if #available(iOSApplicationExtension 11.0, *) {
var frame = self.searchController.view.frame
frame.origin.y = 12.0
self.searchController.view.frame = frame
}
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
}
func numberOfSections(in tableView: UITableView) -> Int {
return self.sections.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.sections[section].1.count
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return self.sections[section].0
}
func tableView(_ tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) {
(view as? UITableViewHeaderFooterView)?.backgroundView?.backgroundColor = self.theme.backgroundColor
(view as? UITableViewHeaderFooterView)?.textLabel?.textColor = self.theme.primaryColor
}
func sectionIndexTitles(for tableView: UITableView) -> [String]? {
return self.sectionTitles
}
func tableView(_ tableView: UITableView, sectionForSectionIndexTitle title: String, at index: Int) -> Int {
if index == 0 {
return 0
} else {
return max(0, index - 1)
}
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell: UITableViewCell
if let currentCell = tableView.dequeueReusableCell(withIdentifier: "CountryCell") {
cell = currentCell
} else {
cell = UITableViewCell(style: self.needsSubtitle ? .subtitle : .default, reuseIdentifier: "CountryCell")
let label = UILabel()
label.font = Font.medium(17.0)
cell.accessoryView = label
cell.selectedBackgroundView = UIView()
}
cell.textLabel?.text = self.sections[indexPath.section].1[indexPath.row].0.1
cell.detailTextLabel?.text = self.sections[indexPath.section].1[indexPath.row].0.0
if self.displayCodes, let label = cell.accessoryView as? UILabel {
label.text = "+\(self.sections[indexPath.section].1[indexPath.row].2)"
label.sizeToFit()
label.textColor = self.theme.primaryColor
}
cell.textLabel?.textColor = self.theme.primaryColor
cell.detailTextLabel?.textColor = self.theme.primaryColor
cell.backgroundColor = self.theme.backgroundColor
cell.selectedBackgroundView?.backgroundColor = self.theme.itemHighlightedBackgroundColor
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
self.itemSelected?(self.sections[indexPath.section].1[indexPath.row])
}
func updateSearchResults(for searchController: UISearchController) {
guard let normalizedQuery = searchController.searchBar.text?.lowercased() else {
self.searchResultsController.searchResults = []
return
}
var results: [((String, String), String, Int)] = []
for (_, items) in self.sections {
for item in items {
if item.0.0.lowercased().hasPrefix(normalizedQuery) || item.0.1.lowercased().hasPrefix(normalizedQuery) {
results.append(item)
}
}
}
self.searchResultsController.searchResults = results
}
@objc func cancelPressed() {
self.dismiss?()
}
}
private final class AuthorizationSequenceCountrySelectionNavigationContentNode: NavigationBarContentNode {
private let theme: AuthorizationTheme
private let strings: PresentationStrings
private let cancel: () -> Void
private let searchBar: SearchBarNode
private var queryUpdated: ((String) -> Void)?
init(theme: AuthorizationTheme, strings: PresentationStrings, cancel: @escaping () -> Void) {
self.theme = theme
self.strings = strings
self.cancel = cancel
self.searchBar = SearchBarNode(theme: defaultDarkPresentationTheme, strings: strings)
let placeholderText = strings.Common_Search
let searchBarFont = Font.regular(14.0)
self.searchBar.placeholderString = NSAttributedString(string: placeholderText, font: searchBarFont, textColor: theme.searchBarTextColor)
super.init()
self.addSubnode(self.searchBar)
self.searchBar.cancel = { [weak self] in
self?.searchBar.deactivate(clear: false)
self?.cancel()
}
self.searchBar.textUpdated = { [weak self] query in
self?.queryUpdated?(query)
}
}
func setQueryUpdated(_ f: @escaping (String) -> Void) {
self.queryUpdated = f
}
override func layout() {
super.layout()
let size = self.bounds.size
let searchBarFrame = CGRect(origin: CGPoint(), size: size)
self.searchBar.frame = searchBarFrame
self.searchBar.updateLayout(boundingSize: size, leftInset: 0.0, rightInset: 0.0, transition: .immediate)
}
func activate() {
self.searchBar.activate()
}
func deactivate() {
self.searchBar.deactivate(clear: false)
}
}
final class AuthorizationSequenceCountrySelectionController: ViewController {
static func lookupCountryNameById(_ id: String, strings: PresentationStrings) -> String? {
for (itemId, _) in countryCodes {
if id == itemId {
let locale = localeWithStrings(strings)
if let countryName = locale.localizedString(forRegionCode: id) {
return countryName
} else {
return nil
}
}
}
return nil
}
static func lookupCountryIdByCode(_ code: Int) -> String? {
for (itemId, itemCode) in countryCodes {
if itemCode == code {
return itemId
}
}
return nil
}
private let theme: AuthorizationTheme
private let strings: PresentationStrings
private let displayCodes: Bool
private var navigationContentNode: AuthorizationSequenceCountrySelectionNavigationContentNode?
private var controllerNode: AuthorizationSequenceCountrySelectionControllerNode {
return self.displayNode as! AuthorizationSequenceCountrySelectionControllerNode
}
var completeWithCountryCode: ((Int, String) -> Void)?
var dismissed: (() -> Void)?
init(strings: PresentationStrings, theme: AuthorizationTheme, displayCodes: Bool = true) {
self.theme = theme
self.strings = strings
self.displayCodes = displayCodes
super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: AuthorizationSequenceController.navigationBarTheme(theme), strings: NavigationBarStrings(presentationStrings: strings)))
self.statusBar.statusBarStyle = theme.statusBarStyle
let navigationContentNode = AuthorizationSequenceCountrySelectionNavigationContentNode(theme: theme, strings: strings, cancel: { [weak self] in
self?.dismissed?()
self?.dismiss()
})
self.navigationContentNode = navigationContentNode
navigationContentNode.setQueryUpdated { [weak self] query in
guard let strongSelf = self, strongSelf.isNodeLoaded else {
return
}
strongSelf.controllerNode.updateSearchQuery(query)
}
self.navigationBar?.setContentNode(navigationContentNode, animated: false)
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override public func loadDisplayNode() {
self.displayNode = AuthorizationSequenceCountrySelectionControllerNode(theme: self.theme, strings: self.strings, displayCodes: self.displayCodes, itemSelected: { [weak self] args in
let (_, countryId, code) = args
self?.completeWithCountryCode?(code, countryId)
self?.dismiss()
})
self.displayNodeDidLoad()
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
self.controllerNode.animateIn()
self.navigationContentNode?.activate()
}
override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
super.containerLayoutUpdated(layout, transition: transition)
self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
}
private func cancelPressed() {
self.dismissed?()
self.dismiss(completion: nil)
}
override func dismiss(completion: (() -> Void)? = nil) {
self.controllerNode.animateOut(completion: { [weak self] in
self?.presentingViewController?.dismiss(animated: true, completion: nil)
})
}
}