251 lines
10 KiB
Swift
251 lines
10 KiB
Swift
//
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// Copyright (c) 2017 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 SignalServiceKit
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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 TAG = "[ShareActions]"
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let installUrl = "https://signal.org/install/"
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let homepageUrl = "https://signal.org"
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let actionSheetController: UIAlertController
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let presentingViewController: UIViewController
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let contactsManager: OWSContactsManager
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var channel: Channel?
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required init(presentingViewController: UIViewController, contactsManager: OWSContactsManager) {
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self.presentingViewController = presentingViewController
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self.contactsManager = contactsManager
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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 #available(iOS 9.0, *) {
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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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}
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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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// 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("\(TAG) 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("\(TAG) 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")
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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("\(self.TAG) 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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@available(iOS 9.0, *)
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func contactsPicker(_: ContactsPicker, didSelectMultipleContacts contacts: [Contact]) {
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Logger.debug("\(TAG) didSelectContacts:\(contacts)")
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guard let inviteChannel = channel else {
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Logger.error("\(TAG) unexpected nil channel after returning from contact picker.")
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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("\(TAG) unexpected channel after returning from contact picker: \(inviteChannel)")
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}
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}
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@available(iOS 9.0, *)
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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("\(TAG) 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("\(TAG) 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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// MARK: SMS
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@available(iOS 9.0, *)
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func messageAction() -> UIAlertAction? {
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guard MFMessageComposeViewController.canSendText() else {
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Logger.info("\(TAG) 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("\(self.TAG) Chose message.")
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self.channel = .message
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let picker = ContactsPicker(delegate: self, multiSelection: true, subtitleCellType: .phoneNumber)
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let navigationController = UINavigationController(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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self.sendSMSTo(phoneNumbers: phoneNumbers)
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}
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}
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public func sendSMSTo(phoneNumbers: [String]) {
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if #available(iOS 10.0, *) {
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// iOS10 message compose view doesn't respect some system appearence attributes.
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// Specifically, the title is white, but the navbar is gray.
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// So, we have to set system appearence before init'ing the message compose view controller in order
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// to make its colors legible.
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// Then we have to be sure to set it back in the ComposeViewControllerDelegate callback.
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UIUtil.applyDefaultSystemAppearence()
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}
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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.navigationController?.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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// Revert system styling applied to make messaging app legible on iOS10.
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UIUtil.applySignalAppearence()
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self.presentingViewController.dismiss(animated: true, completion: nil)
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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("\(self.TAG) user successfully invited their friends via SMS.")
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case .cancelled:
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Logger.debug("\(self.TAG) user cancelled message invite")
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}
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}
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// MARK: Mail
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@available(iOS 9.0, *)
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func mailAction() -> UIAlertAction? {
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guard MFMailComposeViewController.canSendMail() else {
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Logger.info("\(TAG) 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("\(self.TAG) Chose mail.")
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self.channel = .mail
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let picker = ContactsPicker(delegate: self, multiSelection: true, subtitleCellType: .email)
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let navigationController = UINavigationController(rootViewController: picker)
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self.presentingViewController.present(navigationController, animated: true)
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}
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}
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@available(iOS 9.0, *)
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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 WhisperSystems 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.navigationController?.present(mailComposeViewController, animated:true) {
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UIUtil.applySignalAppearence()
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}
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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, completion: nil)
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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("\(self.TAG) user successfully invited their friends via mail.")
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case .saved:
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Logger.debug("\(self.TAG) user saved mail invite.")
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case .cancelled:
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Logger.debug("\(self.TAG) user cancelled mail invite.")
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}
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}
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}
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