mirror of
https://github.com/oxen-io/session-ios.git
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271 lines
11 KiB
Swift
271 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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import Social
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import ContactsUI
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import MessageUI
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import SessionServiceKit
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@objc(OWSInviteFlow)
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class InviteFlow: NSObject, MFMessageComposeViewControllerDelegate, MFMailComposeViewControllerDelegate, ContactsPickerDelegate {
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enum Channel {
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case message, mail, twitter
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}
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let installUrl = "https://signal.org/install/"
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let homepageUrl = "https://signal.org"
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@objc
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let actionSheetController: UIAlertController
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@objc
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let presentingViewController: UIViewController
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var channel: Channel?
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@objc
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required init(presentingViewController: UIViewController) {
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self.presentingViewController = presentingViewController
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actionSheetController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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super.init()
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actionSheetController.addAction(dismissAction())
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if let messageAction = messageAction() {
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actionSheetController.addAction(messageAction)
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}
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if let mailAction = mailAction() {
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actionSheetController.addAction(mailAction)
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}
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if let tweetAction = tweetAction() {
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actionSheetController.addAction(tweetAction)
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}
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}
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deinit {
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Logger.verbose("[InviteFlow] deinit")
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}
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// MARK: Twitter
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func canTweet() -> Bool {
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return SLComposeViewController.isAvailable(forServiceType: SLServiceTypeTwitter)
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}
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func tweetAction() -> UIAlertAction? {
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guard canTweet() else {
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Logger.info("Twitter not supported.")
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return nil
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}
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guard let twitterViewController = SLComposeViewController(forServiceType: SLServiceTypeTwitter) else {
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Logger.error("unable to build twitter controller.")
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return nil
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}
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let tweetString = NSLocalizedString("SETTINGS_INVITE_TWITTER_TEXT", comment: "content of tweet when inviting via twitter - please do not translate URL")
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twitterViewController.setInitialText(tweetString)
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let tweetUrl = URL(string: installUrl)
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twitterViewController.add(tweetUrl)
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twitterViewController.add(#imageLiteral(resourceName: "twitter_sharing_image"))
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let tweetTitle = NSLocalizedString("SHARE_ACTION_TWEET", comment: "action sheet item")
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return UIAlertAction(title: tweetTitle, style: .default) { _ in
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Logger.debug("Chose tweet")
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self.presentingViewController.present(twitterViewController, animated: true, completion: nil)
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}
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}
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func dismissAction() -> UIAlertAction {
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return UIAlertAction(title: CommonStrings.dismissButton, style: .cancel)
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}
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// MARK: ContactsPickerDelegate
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func contactsPicker(_: ContactsPicker, didSelectMultipleContacts contacts: [Contact]) {
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Logger.debug("didSelectContacts:\(contacts)")
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guard let inviteChannel = channel else {
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Logger.error("unexpected nil channel after returning from contact picker.")
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self.presentingViewController.dismiss(animated: true)
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return
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}
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switch inviteChannel {
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case .message:
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let phoneNumbers: [String] = contacts.map { $0.userTextPhoneNumbers.first }.filter { $0 != nil }.map { $0! }
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dismissAndSendSMSTo(phoneNumbers: phoneNumbers)
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case .mail:
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let recipients: [String] = contacts.map { $0.emails.first }.filter { $0 != nil }.map { $0! }
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sendMailTo(emails: recipients)
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default:
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Logger.error("unexpected channel after returning from contact picker: \(inviteChannel)")
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}
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}
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func contactsPicker(_: ContactsPicker, shouldSelectContact contact: Contact) -> Bool {
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guard let inviteChannel = channel else {
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Logger.error("unexpected nil channel in contact picker.")
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return true
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}
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switch inviteChannel {
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case .message:
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return contact.userTextPhoneNumbers.count > 0
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case .mail:
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return contact.emails.count > 0
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default:
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Logger.error("unexpected channel after returning from contact picker: \(inviteChannel)")
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}
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return true
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}
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func contactsPicker(_: ContactsPicker, contactFetchDidFail error: NSError) {
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Logger.error("with error: \(error)")
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self.presentingViewController.dismiss(animated: true) {
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OWSAlerts.showErrorAlert(message: NSLocalizedString("ERROR_COULD_NOT_FETCH_CONTACTS", comment: "Error indicating that the phone's contacts could not be retrieved."))
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}
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}
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func contactsPickerDidCancel(_: ContactsPicker) {
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Logger.debug("")
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self.presentingViewController.dismiss(animated: true)
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}
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func contactsPicker(_: ContactsPicker, didSelectContact contact: Contact) {
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owsFailDebug("InviteFlow only supports multi-select")
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self.presentingViewController.dismiss(animated: true)
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}
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// MARK: SMS
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func messageAction() -> UIAlertAction? {
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guard MFMessageComposeViewController.canSendText() else {
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Logger.info("Device cannot send text")
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return nil
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}
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let messageTitle = NSLocalizedString("SHARE_ACTION_MESSAGE", comment: "action sheet item to open native messages app")
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return UIAlertAction(title: messageTitle, style: .default) { _ in
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Logger.debug("Chose message.")
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self.channel = .message
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let picker = ContactsPicker(allowsMultipleSelection: true, subtitleCellType: .phoneNumber)
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picker.contactsPickerDelegate = self
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picker.title = NSLocalizedString("INVITE_FRIENDS_PICKER_TITLE", comment: "Navbar title")
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let navigationController = OWSNavigationController(rootViewController: picker)
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self.presentingViewController.present(navigationController, animated: true)
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}
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}
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public func dismissAndSendSMSTo(phoneNumbers: [String]) {
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self.presentingViewController.dismiss(animated: true) {
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if phoneNumbers.count > 1 {
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let warning = UIAlertController(title: nil,
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message: NSLocalizedString("INVITE_WARNING_MULTIPLE_INVITES_BY_TEXT",
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comment: "Alert warning that sending an invite to multiple users will create a group message whose recipients will be able to see each other."),
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preferredStyle: .alert)
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warning.addAction(UIAlertAction(title: NSLocalizedString("BUTTON_CONTINUE",
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comment: "Label for 'continue' button."),
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style: .default, handler: { _ in
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self.sendSMSTo(phoneNumbers: phoneNumbers)
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}))
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warning.addAction(OWSAlerts.cancelAction)
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self.presentingViewController.presentAlert(warning)
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} else {
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self.sendSMSTo(phoneNumbers: phoneNumbers)
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}
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}
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}
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@objc
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public func sendSMSTo(phoneNumbers: [String]) {
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let messageComposeViewController = MFMessageComposeViewController()
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messageComposeViewController.messageComposeDelegate = self
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messageComposeViewController.recipients = phoneNumbers
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let inviteText = NSLocalizedString("SMS_INVITE_BODY", comment: "body sent to contacts when inviting to Install Signal")
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messageComposeViewController.body = inviteText.appending(" \(self.installUrl)")
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self.presentingViewController.present(messageComposeViewController, animated: true)
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}
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// MARK: MessageComposeViewControllerDelegate
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func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult) {
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self.presentingViewController.dismiss(animated: true) {
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switch result {
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case .failed:
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let warning = UIAlertController(title: nil, message: NSLocalizedString("SEND_INVITE_FAILURE", comment: "Alert body after invite failed"), preferredStyle: .alert)
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warning.addAction(UIAlertAction(title: CommonStrings.dismissButton, style: .default, handler: nil))
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self.presentingViewController.present(warning, animated: true, completion: nil)
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case .sent:
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Logger.debug("user successfully invited their friends via SMS.")
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case .cancelled:
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Logger.debug("user cancelled message invite")
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}
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}
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}
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// MARK: Mail
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func mailAction() -> UIAlertAction? {
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guard MFMailComposeViewController.canSendMail() else {
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Logger.info("Device cannot send mail")
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return nil
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}
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let mailActionTitle = NSLocalizedString("SHARE_ACTION_MAIL", comment: "action sheet item to open native mail app")
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return UIAlertAction(title: mailActionTitle, style: .default) { _ in
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Logger.debug("Chose mail.")
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self.channel = .mail
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let picker = ContactsPicker(allowsMultipleSelection: true, subtitleCellType: .email)
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picker.contactsPickerDelegate = self
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picker.title = NSLocalizedString("INVITE_FRIENDS_PICKER_TITLE", comment: "Navbar title")
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let navigationController = OWSNavigationController(rootViewController: picker)
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self.presentingViewController.present(navigationController, animated: true)
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}
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}
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func sendMailTo(emails recipientEmails: [String]) {
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let mailComposeViewController = MFMailComposeViewController()
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mailComposeViewController.mailComposeDelegate = self
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mailComposeViewController.setBccRecipients(recipientEmails)
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let subject = NSLocalizedString("EMAIL_INVITE_SUBJECT", comment: "subject of email sent to contacts when inviting to install Signal")
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let bodyFormat = NSLocalizedString("EMAIL_INVITE_BODY", comment: "body of email sent to contacts when inviting to install Signal. Embeds {{link to install Signal}} and {{link to the Signal home page}}")
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let body = String.init(format: bodyFormat, installUrl, homepageUrl)
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mailComposeViewController.setSubject(subject)
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mailComposeViewController.setMessageBody(body, isHTML: false)
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self.presentingViewController.dismiss(animated: true) {
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self.presentingViewController.present(mailComposeViewController, animated: true)
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}
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}
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// MARK: MailComposeViewControllerDelegate
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func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
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self.presentingViewController.dismiss(animated: true) {
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switch result {
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case .failed:
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let warning = UIAlertController(title: nil, message: NSLocalizedString("SEND_INVITE_FAILURE", comment: "Alert body after invite failed"), preferredStyle: .alert)
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warning.addAction(UIAlertAction(title: CommonStrings.dismissButton, style: .default, handler: nil))
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self.presentingViewController.present(warning, animated: true, completion: nil)
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case .sent:
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Logger.debug("user successfully invited their friends via mail.")
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case .saved:
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Logger.debug("user saved mail invite.")
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case .cancelled:
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Logger.debug("user cancelled mail invite.")
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}
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}
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}
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}
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