268 lines
11 KiB
Swift
268 lines
11 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 protocol FindByPhoneNumberDelegate: class {
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func findByPhoneNumber(_ findByPhoneNumber: FindByPhoneNumberViewController,
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didSelectAddress address: SignalServiceAddress)
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}
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@objc
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public class FindByPhoneNumberViewController: OWSViewController {
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weak var delegate: FindByPhoneNumberDelegate?
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let buttonText: String?
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let requiresRegisteredNumber: Bool
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var callingCode: String = "+1"
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let countryCodeLabel = UILabel()
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let phoneNumberTextField = OWSTextField()
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let exampleLabel = UILabel()
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let button = OWSFlatButton()
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let countryRowTitleLabel = UILabel()
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let phoneNumberRowTitleLabel = UILabel()
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@objc
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init(delegate: FindByPhoneNumberDelegate, buttonText: String?, requiresRegisteredNumber: Bool) {
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self.delegate = delegate
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self.buttonText = buttonText
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self.requiresRegisteredNumber = requiresRegisteredNumber
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override public func viewDidLoad() {
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super.viewDidLoad()
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title = NSLocalizedString("NEW_NONCONTACT_CONVERSATION_VIEW_TITLE",
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comment: "Title for the 'new non-contact conversation' view.")
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let stackView = UIStackView()
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stackView.axis = .vertical
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stackView.isLayoutMarginsRelativeArrangement = true
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stackView.layoutMargins = UIEdgeInsets(top: 10, leading: 18, bottom: 10, trailing: 18)
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stackView.spacing = 15
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view.addSubview(stackView)
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stackView.autoPinWidthToSuperviewMargins()
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stackView.autoPin(toTopLayoutGuideOf: self, withInset: 0)
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// Country Row
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let countryRow = UIView.container()
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countryRow.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(didTapCountryRow)))
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stackView.addArrangedSubview(countryRow)
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countryRowTitleLabel.text = NSLocalizedString("REGISTRATION_DEFAULT_COUNTRY_NAME", comment: "Label for the country code field")
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countryRowTitleLabel.font = UIFont.ows_dynamicTypeBodyClamped.ows_semibold()
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countryRow.addSubview(countryRowTitleLabel)
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countryRowTitleLabel.autoPinLeadingToSuperviewMargin()
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countryRowTitleLabel.autoPinHeightToSuperviewMargins()
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countryCodeLabel.textColor = .ows_signalBlue
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countryCodeLabel.font = UIFont.ows_dynamicTypeBodyClamped.ows_semibold()
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countryCodeLabel.textAlignment = .right
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countryRow.addSubview(countryCodeLabel)
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countryCodeLabel.autoPinLeading(toTrailingEdgeOf: countryRowTitleLabel, offset: 10)
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countryCodeLabel.autoPinTrailingToSuperviewMargin()
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countryCodeLabel.autoVCenterInSuperview()
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// Phone Number row
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let phoneNumberRow = UIView.container()
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stackView.addArrangedSubview(phoneNumberRow)
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phoneNumberRowTitleLabel.text = NSLocalizedString("REGISTRATION_PHONENUMBER_BUTTON",
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comment: "Label for the phone number textfield")
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phoneNumberRowTitleLabel.font = UIFont.ows_dynamicTypeBodyClamped.ows_semibold()
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phoneNumberRow.addSubview(phoneNumberRowTitleLabel)
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phoneNumberRowTitleLabel.autoPinLeadingToSuperviewMargin()
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phoneNumberRowTitleLabel.autoPinHeightToSuperviewMargins()
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phoneNumberTextField.font = .ows_dynamicTypeBodyClamped
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phoneNumberTextField.textColor = .ows_signalBlue
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phoneNumberTextField.autocorrectionType = .no
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phoneNumberTextField.autocapitalizationType = .none
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phoneNumberTextField.placeholder = NSLocalizedString("REGISTRATION_ENTERNUMBER_DEFAULT_TEXT",
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comment: "Placeholder text for the phone number textfield")
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phoneNumberTextField.textAlignment = .right
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phoneNumberTextField.delegate = self
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phoneNumberTextField.returnKeyType = .done
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phoneNumberTextField.becomeFirstResponder()
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phoneNumberRow.addSubview(phoneNumberTextField)
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phoneNumberTextField.autoPinLeading(toTrailingEdgeOf: phoneNumberRowTitleLabel, offset: 10)
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phoneNumberTextField.autoPinTrailingToSuperviewMargin()
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phoneNumberTextField.autoVCenterInSuperview()
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// Example row
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stackView.addArrangedSubview(exampleLabel)
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exampleLabel.font = .ows_dynamicTypeFootnoteClamped
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exampleLabel.textAlignment = .right
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populateDefaultCountryCode()
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// Button row
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let buttonHeight: CGFloat = 47
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let buttonTitle = buttonText ?? NSLocalizedString("NEW_NONCONTACT_CONVERSATION_VIEW_BUTTON",
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comment: "A label for the 'add by phone number' button in the 'new non-contact conversation' view")
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stackView.addArrangedSubview(button)
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button.useDefaultCornerRadius()
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button.autoSetDimension(.height, toSize: buttonHeight)
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button.setTitle(title: buttonTitle, font: OWSFlatButton.fontForHeight(buttonHeight), titleColor: .white)
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button.setBackgroundColors(upColor: .ows_signalBlue)
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button.addTarget(target: self, selector: #selector(tryToSelectPhoneNumber))
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button.setEnabled(false)
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}
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public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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view.backgroundColor = Theme.backgroundColor
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countryRowTitleLabel.textColor = Theme.primaryTextColor
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phoneNumberRowTitleLabel.textColor = Theme.primaryTextColor
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exampleLabel.textColor = Theme.secondaryTextAndIconColor
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}
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func updateButtonState() {
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button.setEnabled(hasValidPhoneNumber())
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}
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func possiblePhoneNumbers() -> [PhoneNumber] {
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guard let localNumber = TSAccountManager.localNumber else {
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owsFailDebug("local number unexpectedly nil")
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return []
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}
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guard let phoneNumberText = phoneNumberTextField.text else { return [] }
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let possiblePhoneNumber = callingCode + phoneNumberText
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return PhoneNumber.tryParsePhoneNumbersFromsUserSpecifiedText(possiblePhoneNumber, clientPhoneNumber: localNumber)
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}
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func hasValidPhoneNumber() -> Bool {
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let phoneNumbers = possiblePhoneNumbers()
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guard phoneNumbers.count > 0 else {
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return false
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}
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// It'd be nice to use [PhoneNumber isValid] but it always returns false for some countries
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// (like afghanistan) and there doesn't seem to be a good way to determine beforehand
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// which countries it can validate for without forking libPhoneNumber.
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return !phoneNumbers[0].toE164().isEmpty
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}
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@objc func tryToSelectPhoneNumber() {
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guard hasValidPhoneNumber() else { return }
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let phoneNumbers = possiblePhoneNumbers()
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guard phoneNumbers.count > 0 else { return owsFailDebug("unexpectedly found no numbers") }
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// There should only be one phone number, since we're explicitly specifying
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// a country code and therefore parsing a number in e164 format.
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assert(phoneNumbers.count == 1)
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phoneNumberTextField.resignFirstResponder()
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if requiresRegisteredNumber {
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ModalActivityIndicatorViewController.present(fromViewController: self, canCancel: true) { [weak self] modal in
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ContactsUpdater.shared().lookupIdentifiers(phoneNumbers.map { $0.toE164() }, success: { recipients in
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AssertIsOnMainThread()
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guard !modal.wasCancelled else { return }
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guard let self = self else { return }
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modal.dismiss {
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guard let recipient = recipients.first else {
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return OWSAlerts.showErrorAlert(message: OWSErrorMakeNoSuchSignalRecipientError().localizedDescription)
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}
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self.delegate?.findByPhoneNumber(self, didSelectAddress: recipient.address)
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}
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}, failure: { error in
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AssertIsOnMainThread()
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guard !modal.wasCancelled else { return }
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modal.dismiss {
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OWSAlerts.showErrorAlert(message: error.localizedDescription)
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}
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})
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}
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} else {
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delegate?.findByPhoneNumber(self, didSelectAddress: SignalServiceAddress(phoneNumber: phoneNumbers[0].toE164()))
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}
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}
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}
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// MARK: - Country
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extension FindByPhoneNumberViewController: CountryCodeViewControllerDelegate {
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public func countryCodeViewController(_ vc: CountryCodeViewController, didSelectCountryCode countryCode: String, countryName: String, callingCode: String) {
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updateCountry(callingCode: callingCode, countryCode: countryCode)
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}
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@objc func didTapCountryRow() {
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let countryCodeController = CountryCodeViewController()
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countryCodeController.countryCodeDelegate = self
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present(OWSNavigationController(rootViewController: countryCodeController), animated: true)
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}
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func populateDefaultCountryCode() {
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guard let localNumber = TSAccountManager.localNumber else {
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return owsFailDebug("Local number unexpectedly nil")
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}
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var callingCodeInt: Int?
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var countryCode: String?
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if let localE164 = PhoneNumber(fromE164: localNumber), let localCountryCode = localE164.getCountryCode()?.intValue {
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callingCodeInt = localCountryCode
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} else {
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callingCodeInt = PhoneNumberUtil.sharedThreadLocal().nbPhoneNumberUtil.getCountryCode(
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forRegion: PhoneNumber.defaultCountryCode()
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)?.intValue
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}
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var callingCode: String?
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if let callingCodeInt = callingCodeInt {
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callingCode = COUNTRY_CODE_PREFIX + "\(callingCodeInt)"
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countryCode = PhoneNumberUtil.sharedThreadLocal().probableCountryCode(forCallingCode: callingCode!)
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}
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updateCountry(callingCode: callingCode, countryCode: countryCode)
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}
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func updateCountry(callingCode: String?, countryCode: String?) {
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guard let callingCode = callingCode, !callingCode.isEmpty, let countryCode = countryCode, !countryCode.isEmpty else {
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return owsFailDebug("missing calling code for selected country")
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}
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self.callingCode = callingCode
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let labelFormat = CurrentAppContext().isRTL ? "(%2$@) %1$@" : "%1$@ (%2$@)"
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countryCodeLabel.text = String(format: labelFormat, callingCode, countryCode.localizedUppercase)
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exampleLabel.text = ViewControllerUtils.examplePhoneNumber(forCountryCode: countryCode, callingCode: callingCode)
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}
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}
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extension FindByPhoneNumberViewController: UITextFieldDelegate {
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public func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
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ViewControllerUtils.phoneNumber(textField, shouldChangeCharactersIn: range, replacementString: string, callingCode: callingCode)
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updateButtonState()
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return false
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}
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public func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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tryToSelectPhoneNumber()
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return false
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}
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}
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