651 lines
26 KiB
Swift
651 lines
26 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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import AVFoundation
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import GRDB
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import Curve25519Kit
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import SessionUIKit
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import SessionMessagingKit
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import SessionUtilitiesKit
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import SignalUtilitiesKit
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final class NewDMVC: BaseVC, UIPageViewControllerDataSource, UIPageViewControllerDelegate, QRScannerDelegate {
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private var shouldShowBackButton: Bool = true
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private let pageVC = UIPageViewController(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)
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private var pages: [UIViewController] = []
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private var targetVCIndex: Int?
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// MARK: - Components
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private lazy var tabBar: TabBar = {
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let tabs = [
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TabBar.Tab(title: "vc_create_private_chat_enter_session_id_tab_title".localized()) { [weak self] in
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guard let self = self else { return }
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self.pageVC.setViewControllers([ self.pages[0] ], direction: .forward, animated: false, completion: nil)
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},
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TabBar.Tab(title: "vc_create_private_chat_scan_qr_code_tab_title".localized()) { [weak self] in
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guard let self = self else { return }
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self.pageVC.setViewControllers([ self.pages[1] ], direction: .forward, animated: false, completion: nil)
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}
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]
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return TabBar(tabs: tabs)
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}()
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private lazy var enterPublicKeyVC: EnterPublicKeyVC = {
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let result = EnterPublicKeyVC()
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result.NewDMVC = self
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return result
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}()
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private lazy var scanQRCodePlaceholderVC: ScanQRCodePlaceholderVC = {
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let result: ScanQRCodePlaceholderVC = ScanQRCodePlaceholderVC()
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result.newDMVC = self
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return result
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}()
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private lazy var scanQRCodeWrapperVC: ScanQRCodeWrapperVC = {
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let result: ScanQRCodeWrapperVC = ScanQRCodeWrapperVC(message: nil)
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result.delegate = self
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return result
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}()
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// MARK: - Initialization
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init(sessionId: String? = nil, shouldShowBackButton: Bool = true) {
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self.shouldShowBackButton = shouldShowBackButton
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super.init(nibName: nil, bundle: nil)
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if let sessionId: String = sessionId {
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enterPublicKeyVC.setSessionId(to: sessionId)
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}
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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}
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override init(nibName: String?, bundle: Bundle?) {
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super.init(nibName: nibName, bundle: bundle)
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}
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// MARK: - Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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setNavBarTitle("vc_create_private_chat_title".localized())
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view.themeBackgroundColor = .newConversation_background
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// Set up navigation bar buttons
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let closeButton = UIBarButtonItem(image: #imageLiteral(resourceName: "X"), style: .plain, target: self, action: #selector(close))
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closeButton.themeTintColor = .textPrimary
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if shouldShowBackButton {
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navigationItem.rightBarButtonItem = closeButton
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}
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else {
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navigationItem.leftBarButtonItem = closeButton
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}
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// Set up tab bar
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view.addSubview(tabBar)
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tabBar.pin(.top, to: .top, of: view)
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tabBar.pin(.leading, to: .leading, of: view)
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tabBar.pin(.trailing, to: .trailing, of: view)
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// Set up page VC
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let containerView: UIView = UIView()
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view.addSubview(containerView)
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containerView.pin(.top, to: .bottom, of: tabBar)
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containerView.pin(.leading, to: .leading, of: view)
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containerView.pin(.trailing, to: .trailing, of: view)
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containerView.pin(.bottom, to: .bottom, of: view)
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let hasCameraAccess = (AVCaptureDevice.authorizationStatus(for: .video) == .authorized)
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pages = [ enterPublicKeyVC, (hasCameraAccess ? scanQRCodeWrapperVC : scanQRCodePlaceholderVC) ]
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pageVC.dataSource = self
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pageVC.delegate = self
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pageVC.setViewControllers([ enterPublicKeyVC ], direction: .forward, animated: false, completion: nil)
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addChild(pageVC)
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containerView.addSubview(pageVC.view)
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pageVC.view.pin(to: containerView)
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pageVC.didMove(toParent: self)
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}
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// MARK: - General
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
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guard let index = pages.firstIndex(of: viewController), index != 0 else { return nil }
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return pages[index - 1]
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
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guard let index = pages.firstIndex(of: viewController), index != (pages.count - 1) else { return nil }
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return pages[index + 1]
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}
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fileprivate func handleCameraAccessGranted() {
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DispatchQueue.main.async {
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self.pages[1] = self.scanQRCodeWrapperVC
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self.pageVC.setViewControllers([ self.scanQRCodeWrapperVC ], direction: .forward, animated: false, completion: nil)
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}
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}
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// MARK: - Updating
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func pageViewController(_ pageViewController: UIPageViewController, willTransitionTo pendingViewControllers: [UIViewController]) {
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guard let targetVC = pendingViewControllers.first, let index = pages.firstIndex(of: targetVC) else { return }
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targetVCIndex = index
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}
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func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating isFinished: Bool, previousViewControllers: [UIViewController], transitionCompleted isCompleted: Bool) {
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guard isCompleted, let index = targetVCIndex else { return }
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tabBar.selectTab(at: index)
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}
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// MARK: - Interaction
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@objc private func close() {
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dismiss(animated: true, completion: nil)
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}
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func controller(_ controller: QRCodeScanningViewController, didDetectQRCodeWith string: String) {
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let hexEncodedPublicKey = string
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startNewDMIfPossible(with: hexEncodedPublicKey)
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}
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fileprivate func startNewDMIfPossible(with onsNameOrPublicKey: String) {
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let maybeSessionId: SessionId? = SessionId(from: onsNameOrPublicKey)
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if ECKeyPair.isValidHexEncodedPublicKey(candidate: onsNameOrPublicKey) && maybeSessionId?.prefix == .standard {
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startNewDM(with: onsNameOrPublicKey)
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return
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}
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// This could be an ONS name
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ModalActivityIndicatorViewController
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.present(fromViewController: navigationController!, canCancel: false) { [weak self] modalActivityIndicator in
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SnodeAPI
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.getSessionID(for: onsNameOrPublicKey)
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.done { sessionID in
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modalActivityIndicator.dismiss {
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self?.startNewDM(with: sessionID)
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}
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}
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.catch { error in
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modalActivityIndicator.dismiss {
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var messageOrNil: String?
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if let error = error as? SnodeAPIError {
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switch error {
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case .decryptionFailed, .hashingFailed, .validationFailed:
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messageOrNil = error.errorDescription
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default: break
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}
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}
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let message: String = {
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if let messageOrNil: String = messageOrNil {
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return messageOrNil
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}
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return (maybeSessionId?.prefix == .blinded ?
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"DM_ERROR_DIRECT_BLINDED_ID".localized() :
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"DM_ERROR_INVALID".localized()
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)
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}()
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let modal: ConfirmationModal = ConfirmationModal(
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targetView: self?.view,
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info: ConfirmationModal.Info(
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title: "ALERT_ERROR_TITLE".localized(),
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explanation: message,
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cancelTitle: "BUTTON_OK".localized(),
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cancelStyle: .alert_text
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)
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)
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self?.present(modal, animated: true)
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}
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}
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}
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}
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private func startNewDM(with sessionId: String) {
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let maybeThread: SessionThread? = Storage.shared.write { db in
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try SessionThread.fetchOrCreate(db, id: sessionId, variant: .contact)
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}
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guard maybeThread != nil else { return }
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presentingViewController?.dismiss(animated: true, completion: nil)
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SessionApp.presentConversation(for: sessionId, action: .compose, animated: false)
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}
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}
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// MARK: - EnterPublicKeyVC
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private final class EnterPublicKeyVC: UIViewController {
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weak var NewDMVC: NewDMVC!
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private var isKeyboardShowing = false
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private var simulatorWillResignFirstResponder = false
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private var bottomConstraint: NSLayoutConstraint!
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private let bottomMargin: CGFloat = UIDevice.current.isIPad ? Values.largeSpacing : 0
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// MARK: - Components
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private lazy var publicKeyTextView: TextView = {
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let result = TextView(placeholder: "vc_enter_public_key_text_field_hint".localized()) { [weak self] text in
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self?.nextButton.isEnabled = !text.isEmpty
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}
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result.autocapitalizationType = .none
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return result
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}()
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private lazy var explanationLabel: UILabel = {
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let result: UILabel = UILabel()
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result.setContentHuggingPriority(.required, for: .vertical)
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result.setContentCompressionResistancePriority(.required, for: .vertical)
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result.font = .systemFont(ofSize: Values.verySmallFontSize)
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result.text = "vc_enter_public_key_explanation".localized()
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result.themeTextColor = .textSecondary
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result.textAlignment = .center
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result.lineBreakMode = .byWordWrapping
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result.numberOfLines = 0
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return result
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}()
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private lazy var spacer1 = UIView.spacer(withHeight: Values.largeSpacing)
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private lazy var spacer2 = UIView.spacer(withHeight: Values.largeSpacing)
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private lazy var spacer3 = UIView.spacer(withHeight: Values.largeSpacing)
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private lazy var spacer4 = UIView.spacer(withHeight: Values.largeSpacing)
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private lazy var separator = Separator(title: "your_session_id".localized())
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private lazy var qrCodeView: UIView = {
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let result: UIView = UIView()
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result.layer.cornerRadius = 8
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let qrCodeImageView: UIImageView = UIImageView()
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qrCodeImageView.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
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qrCodeImageView.image = QRCode.generate(for: getUserHexEncodedPublicKey(), hasBackground: false)
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.withRenderingMode(.alwaysTemplate)
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qrCodeImageView.set(.width, to: .height, of: qrCodeImageView)
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qrCodeImageView.heightAnchor
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.constraint(lessThanOrEqualToConstant: (isIPhone5OrSmaller ? 160 : 220))
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.isActive = true
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#if targetEnvironment(simulator)
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#else
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// Note: For some reason setting this seems to stop the QRCode from rendering on the
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// simulator so only doing it on device
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qrCodeImageView.contentMode = .scaleAspectFit
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#endif
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result.addSubview(qrCodeImageView)
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qrCodeImageView.pin(
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to: result,
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withInset: 5 // The QRCode image has about 6pt of padding and we want 11 in total
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)
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ThemeManager.onThemeChange(observer: qrCodeImageView) { [weak qrCodeImageView, weak result] theme, _ in
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switch theme.interfaceStyle {
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case .light:
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qrCodeImageView?.themeTintColorForced = .theme(theme, color: .textPrimary)
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result?.themeBackgroundColorForced = nil
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default:
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qrCodeImageView?.themeTintColorForced = .theme(theme, color: .backgroundPrimary)
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result?.themeBackgroundColorForced = .color(.white)
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}
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}
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return result
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}()
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private lazy var qrCodeImageViewContainer: UIView = {
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let result: UIView = UIView()
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result.accessibilityLabel = "Your QR code"
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result.isAccessibilityElement = true
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result.addSubview(qrCodeView)
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qrCodeView.center(.horizontal, in: result)
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qrCodeView.pin(.top, to: .top, of: result)
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qrCodeView.pin(.bottom, to: .bottom, of: result)
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return result
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}()
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private lazy var userPublicKeyLabel: SRCopyableLabel = {
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let result: SRCopyableLabel = SRCopyableLabel()
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result.setContentCompressionResistancePriority(.required, for: .vertical)
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result.font = Fonts.spaceMono(ofSize: Values.mediumFontSize)
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result.text = getUserHexEncodedPublicKey()
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result.themeTextColor = .textPrimary
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result.textAlignment = .center
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result.lineBreakMode = .byCharWrapping
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result.numberOfLines = 0
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return result
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}()
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private lazy var userPublicKeyContainer: UIView = {
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let result: UIView = UIView(
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wrapping: userPublicKeyLabel,
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withInsets: .zero,
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shouldAdaptForIPadWithWidth: Values.iPadUserSessionIdContainerWidth
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)
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return result
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}()
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private lazy var buttonContainer: UIStackView = {
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let result = UIStackView(arrangedSubviews: [ copyButton, shareButton ])
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result.axis = .horizontal
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result.spacing = UIDevice.current.isIPad ? Values.iPadButtonSpacing : Values.mediumSpacing
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result.distribution = .fillEqually
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if (UIDevice.current.isIPad) {
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result.layoutMargins = UIEdgeInsets(top: 0, left: Values.iPadButtonContainerMargin, bottom: 0, right: Values.iPadButtonContainerMargin)
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result.isLayoutMarginsRelativeArrangement = true
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}
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return result
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}()
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private lazy var copyButton: SessionButton = {
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let result = SessionButton(style: .bordered, size: .small)
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result.setTitle("copy".localized(), for: .normal)
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result.addTarget(self, action: #selector(copyPublicKey), for: .touchUpInside)
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return result
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}()
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private lazy var shareButton: SessionButton = {
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let result = SessionButton(style: .bordered, size: .small)
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result.setTitle("share".localized(), for: .normal)
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result.addTarget(self, action: #selector(sharePublicKey), for: .touchUpInside)
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return result
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}()
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private lazy var nextButtonContainer: UIView = {
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let result = UIView(
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wrapping: nextButton,
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withInsets: UIEdgeInsets(top: 0, leading: 80, bottom: 0, trailing: 80),
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shouldAdaptForIPadWithWidth: Values.iPadButtonWidth
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)
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result.alpha = (isKeyboardShowing ? 1 : 0)
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result.isHidden = !isKeyboardShowing
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return result
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}()
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private lazy var nextButton: SessionButton = {
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let result = SessionButton(style: .bordered, size: .large)
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result.setTitle("next".localized(), for: .normal)
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result.isEnabled = false
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result.addTarget(self, action: #selector(startNewDMIfPossible), for: .touchUpInside)
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return result
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}()
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// MARK: - Lifecycle
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override func viewDidLoad() {
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// Remove background color
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view.themeBackgroundColor = .clear
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// Main stack view
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let mainStackView = UIStackView(arrangedSubviews: [
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publicKeyTextView,
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UIView.spacer(withHeight: Values.smallSpacing),
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explanationLabel,
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spacer1,
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separator,
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spacer2,
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qrCodeImageViewContainer,
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spacer3,
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userPublicKeyContainer,
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spacer4,
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buttonContainer,
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UIView.vStretchingSpacer(),
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nextButtonContainer
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])
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mainStackView.axis = .vertical
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mainStackView.alignment = .fill
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mainStackView.layoutMargins = UIEdgeInsets(
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top: Values.largeSpacing,
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left: Values.largeSpacing,
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bottom: Values.smallSpacing,
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right: Values.largeSpacing
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)
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mainStackView.isLayoutMarginsRelativeArrangement = true
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view.addSubview(mainStackView)
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mainStackView.pin(.top, to: .top, of: view)
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mainStackView.pin(.leading, to: .leading, of: view)
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mainStackView.pin(.trailing, to: .trailing, of: view)
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bottomConstraint = mainStackView.pin(.bottom, to: .bottom, of: view, withInset: -bottomMargin)
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// Dismiss keyboard on tap
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let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard))
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view.addGestureRecognizer(tapGestureRecognizer)
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// Listen to keyboard notifications
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let notificationCenter = NotificationCenter.default
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notificationCenter.addObserver(self, selector: #selector(handleKeyboardWillChangeFrameNotification(_:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
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notificationCenter.addObserver(self, selector: #selector(handleKeyboardWillHideNotification(_:)), name: UIResponder.keyboardWillHideNotification, object: nil)
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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// MARK: - General
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func setSessionId(to sessionId: String) {
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publicKeyTextView.insertText(sessionId)
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}
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@objc private func dismissKeyboard() {
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simulatorWillResignFirstResponder = true
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publicKeyTextView.resignFirstResponder()
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simulatorWillResignFirstResponder = false
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}
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@objc private func enableCopyButton() {
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copyButton.isUserInteractionEnabled = true
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UIView.transition(with: copyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
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self.copyButton.setTitle("copy".localized(), for: .normal)
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}, completion: nil)
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}
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// MARK: - Updating
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@objc private func handleKeyboardWillChangeFrameNotification(_ notification: Notification) {
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#if targetEnvironment(simulator)
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// Note: See 'handleKeyboardWillHideNotification' for the explanation
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guard !simulatorWillResignFirstResponder else { return }
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#else
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guard !isKeyboardShowing else { return }
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#endif
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isKeyboardShowing = true
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guard let newHeight = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue.size.height else { return }
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let duration = max(0.25, ((notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval) ?? 0))
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let viewsToHide: [UIView] = [ self.spacer1, self.separator, self.spacer2, self.qrCodeImageViewContainer, self.spacer3, self.userPublicKeyContainer, self.spacer4, self.buttonContainer ]
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// We dispatch to the next run loop to prevent the animation getting stuck within the
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// keyboard appearance animation (which would make the second animation start once the
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// keyboard finishes appearing)
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DispatchQueue.main.async {
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UIView.animate(
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withDuration: (duration / 2),
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delay: 0,
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options: .curveEaseOut,
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animations: {
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viewsToHide.forEach { $0.alpha = 0 }
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},
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completion: { [weak self] _ in
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UIView.performWithoutAnimation {
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viewsToHide.forEach { $0.isHidden = true }
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self?.nextButtonContainer.alpha = 0
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self?.nextButtonContainer.isHidden = false
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self?.bottomConstraint.constant = -(newHeight + (self?.bottomMargin ?? 0))
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self?.view.layoutIfNeeded()
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}
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UIView.animate(
|
|
withDuration: (duration / 2),
|
|
delay: 0,
|
|
options: .curveEaseIn,
|
|
animations: {
|
|
self?.nextButtonContainer.alpha = 1
|
|
},
|
|
completion: nil
|
|
)
|
|
}
|
|
)
|
|
}
|
|
}
|
|
|
|
@objc private func handleKeyboardWillHideNotification(_ notification: Notification) {
|
|
#if targetEnvironment(simulator)
|
|
// Note: On the simulator the keyboard won't appear by default (unless you enable
|
|
// it) this results in the "keyboard will hide" notification incorrectly getting
|
|
// triggered immediately - the 'simulatorWillResignFirstResponder' value is a workaround
|
|
// to make this behave more like a real device when testing
|
|
guard isKeyboardShowing && simulatorWillResignFirstResponder else { return }
|
|
#else
|
|
guard isKeyboardShowing else { return }
|
|
#endif
|
|
|
|
let duration = max(0.25, ((notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval) ?? 0))
|
|
let viewsToShow: [UIView] = [ self.spacer1, self.separator, self.spacer2, self.qrCodeImageViewContainer, self.spacer3, self.userPublicKeyContainer, self.spacer4, self.buttonContainer ]
|
|
isKeyboardShowing = false
|
|
|
|
// We dispatch to the next run loop to prevent the animation getting stuck within the
|
|
// keyboard hide animation (which would make the second animation start once the keyboard
|
|
// finishes disappearing)
|
|
DispatchQueue.main.async {
|
|
UIView.animate(
|
|
withDuration: (duration / 2),
|
|
delay: 0,
|
|
options: .curveEaseOut,
|
|
animations: { [weak self] in
|
|
self?.nextButtonContainer.alpha = 0
|
|
},
|
|
completion: { [weak self] _ in
|
|
UIView.performWithoutAnimation {
|
|
viewsToShow.forEach {
|
|
$0.alpha = 0
|
|
$0.isHidden = false
|
|
}
|
|
|
|
self?.nextButtonContainer.isHidden = true
|
|
self?.bottomConstraint.constant = -(self?.bottomMargin ?? 0)
|
|
self?.view.layoutIfNeeded()
|
|
}
|
|
|
|
UIView.animate(
|
|
withDuration: (duration / 2),
|
|
delay: 0,
|
|
options: .curveEaseIn,
|
|
animations: {
|
|
viewsToShow.forEach { $0.alpha = 1 }
|
|
},
|
|
completion: nil
|
|
)
|
|
}
|
|
)
|
|
}
|
|
}
|
|
|
|
// MARK: - Interaction
|
|
|
|
@objc private func copyPublicKey() {
|
|
UIPasteboard.general.string = getUserHexEncodedPublicKey()
|
|
|
|
copyButton.isUserInteractionEnabled = false
|
|
|
|
UIView.transition(with: copyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
|
|
self.copyButton.setTitle("copied".localized(), for: .normal)
|
|
}, completion: nil)
|
|
Timer.scheduledTimer(timeInterval: 4, target: self, selector: #selector(enableCopyButton), userInfo: nil, repeats: false)
|
|
}
|
|
|
|
@objc private func sharePublicKey() {
|
|
let shareVC = UIActivityViewController(activityItems: [ getUserHexEncodedPublicKey() ], applicationActivities: nil)
|
|
|
|
if UIDevice.current.isIPad {
|
|
shareVC.excludedActivityTypes = []
|
|
shareVC.popoverPresentationController?.permittedArrowDirections = []
|
|
shareVC.popoverPresentationController?.sourceView = self.view
|
|
shareVC.popoverPresentationController?.sourceRect = self.view.bounds
|
|
}
|
|
|
|
NewDMVC.navigationController!.present(shareVC, animated: true, completion: nil)
|
|
}
|
|
|
|
@objc fileprivate func startNewDMIfPossible() {
|
|
let text = publicKeyTextView.text?.trimmingCharacters(in: .whitespaces) ?? ""
|
|
NewDMVC.startNewDMIfPossible(with: text)
|
|
}
|
|
}
|
|
|
|
// MARK: - ScanQRCodePlaceholderVC
|
|
|
|
private final class ScanQRCodePlaceholderVC: UIViewController {
|
|
weak var newDMVC: NewDMVC!
|
|
|
|
override func viewDidLoad() {
|
|
// Remove background color
|
|
view.themeBackgroundColor = .clear
|
|
|
|
// Set up explanation label
|
|
let explanationLabel = UILabel()
|
|
explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
|
|
explanationLabel.text = "vc_scan_qr_code_camera_access_explanation".localized()
|
|
explanationLabel.themeTextColor = .textPrimary
|
|
explanationLabel.textAlignment = .center
|
|
explanationLabel.lineBreakMode = .byWordWrapping
|
|
explanationLabel.numberOfLines = 0
|
|
|
|
// Set up call to action button
|
|
let callToActionButton = UIButton()
|
|
callToActionButton.titleLabel?.font = .boldSystemFont(ofSize: Values.mediumFontSize)
|
|
callToActionButton.setTitle("vc_scan_qr_code_grant_camera_access_button_title".localized(), for: UIControl.State.normal)
|
|
callToActionButton.setThemeTitleColor(.primary, for: .normal)
|
|
callToActionButton.addTarget(self, action: #selector(requestCameraAccess), for: UIControl.Event.touchUpInside)
|
|
|
|
// Set up stack view
|
|
let stackView = UIStackView(arrangedSubviews: [ explanationLabel, callToActionButton ])
|
|
stackView.axis = .vertical
|
|
stackView.spacing = Values.mediumSpacing
|
|
stackView.alignment = .center
|
|
|
|
// Set up constraints
|
|
view.addSubview(stackView)
|
|
stackView.pin(.leading, to: .leading, of: view, withInset: Values.massiveSpacing)
|
|
stackView.pin(.trailing, to: .trailing, of: view, withInset: -Values.massiveSpacing)
|
|
stackView.center(.vertical, in: view, withInset: -16) // Makes things appear centered visually
|
|
}
|
|
|
|
@objc private func requestCameraAccess() {
|
|
Permissions.requestCameraPermissionIfNeeded { [weak self] in
|
|
self?.newDMVC.handleCameraAccessGranted()
|
|
}
|
|
}
|
|
}
|