mirror of https://github.com/oxen-io/session-ios
Split new conversation screen into tabs
Niels Andriesse
5 years ago
parent
8429b9d680
commit
dbd71ab9a2
@ -1,172 +0,0 @@
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@objc(LKNewConversationVC)
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final class NewConversationVC : OWSViewController, OWSQRScannerDelegate {
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private lazy var userHexEncodedPublicKey: String = {
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let userDefaults = UserDefaults.standard
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if let masterHexEncodedPublicKey = userDefaults.string(forKey: "masterDeviceHexEncodedPublicKey") {
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return masterHexEncodedPublicKey
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} else {
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return OWSIdentityManager.shared().identityKeyPair()!.hexEncodedPublicKey
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}
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}()
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// MARK: Components
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private lazy var publicKeyTextField = TextField(placeholder: NSLocalizedString("Enter public key of recipient", comment: ""))
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private lazy var userPublicKeyLabel: UILabel = {
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let result = UILabel()
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result.textColor = Colors.text
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result.font = Fonts.spaceMono(ofSize: Values.mediumFontSize)
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result.numberOfLines = 0
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result.textAlignment = .center
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result.lineBreakMode = .byCharWrapping
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return result
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}()
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private lazy var copyButton: Button = {
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let result = Button(style: .unimportant)
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result.setTitle(NSLocalizedString("Copy", comment: ""), for: UIControl.State.normal)
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result.addTarget(self, action: #selector(copyPublicKey), for: UIControl.Event.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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// Set gradient background
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view.backgroundColor = .clear
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let gradient = Gradients.defaultLokiBackground
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view.setGradient(gradient)
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// Set navigation bar background color
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if let navigationBar = navigationController?.navigationBar {
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navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)
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navigationBar.shadowImage = UIImage()
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navigationBar.isTranslucent = false
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navigationBar.barTintColor = Colors.navigationBarBackground
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}
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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.tintColor = Colors.text
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navigationItem.leftBarButtonItem = closeButton
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// Customize title
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let titleLabel = UILabel()
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titleLabel.text = NSLocalizedString("New Conversation", comment: "")
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titleLabel.textColor = Colors.text
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titleLabel.font = UIFont.boldSystemFont(ofSize: Values.veryLargeFontSize)
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navigationItem.titleView = titleLabel
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// Set up explanation label
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let explanationLabel = UILabel()
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explanationLabel.textColor = Colors.text.withAlphaComponent(Values.unimportantElementOpacity)
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explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
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explanationLabel.text = NSLocalizedString("Users can share their public key by going into their account settings and tapping \"Share Public Key\", or by sharing their QR code.", comment: "")
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explanationLabel.numberOfLines = 0
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explanationLabel.textAlignment = .center
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explanationLabel.lineBreakMode = .byWordWrapping
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// Set up separator
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let separator = Separator(title: NSLocalizedString("Your Public Key", comment: ""))
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// Set up user public key label
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userPublicKeyLabel.text = userHexEncodedPublicKey
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// Set up share button
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let shareButton = Button(style: .unimportant)
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shareButton.setTitle(NSLocalizedString("Share", comment: ""), for: UIControl.State.normal)
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shareButton.addTarget(self, action: #selector(sharePublicKey), for: UIControl.Event.touchUpInside)
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// Set up button container
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let buttonContainer = UIStackView(arrangedSubviews: [ copyButton, shareButton ])
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buttonContainer.axis = .horizontal
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buttonContainer.spacing = Values.mediumSpacing
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buttonContainer.distribution = .fillEqually
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// Next button
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let nextButton = Button(style: .prominent)
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nextButton.setTitle(NSLocalizedString("Next", comment: ""), for: UIControl.State.normal)
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nextButton.addTarget(self, action: #selector(handleNextButtonTapped), for: UIControl.Event.touchUpInside)
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let nextButtonContainer = UIView()
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nextButtonContainer.addSubview(nextButton)
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nextButton.pin(.leading, to: .leading, of: nextButtonContainer, withInset: 80)
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nextButton.pin(.top, to: .top, of: nextButtonContainer)
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nextButtonContainer.pin(.trailing, to: .trailing, of: nextButton, withInset: 80)
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nextButtonContainer.pin(.bottom, to: .bottom, of: nextButton)
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// Stack view
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let stackView = UIStackView(arrangedSubviews: [ publicKeyTextField, UIView.spacer(withHeight: Values.smallSpacing), explanationLabel, UIView.spacer(withHeight: Values.veryLargeSpacing), separator, UIView.spacer(withHeight: Values.veryLargeSpacing), userPublicKeyLabel, UIView.spacer(withHeight: Values.veryLargeSpacing), buttonContainer, UIView.spacer(withHeight: Values.veryLargeSpacing), nextButtonContainer, UIView.vStretchingSpacer() ])
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stackView.axis = .vertical
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stackView.alignment = .fill
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stackView.layoutMargins = UIEdgeInsets(top: Values.mediumSpacing, left: Values.largeSpacing, bottom: Values.mediumSpacing, right: Values.largeSpacing)
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stackView.isLayoutMarginsRelativeArrangement = true
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view.addSubview(stackView)
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stackView.pin(to: view)
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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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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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publicKeyTextField.becomeFirstResponder()
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}
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// MARK: General
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@objc private func dismissKeyboard() {
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publicKeyTextField.resignFirstResponder()
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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(NSLocalizedString("Copy", comment: ""), for: UIControl.State.normal)
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}, completion: nil)
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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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@objc private func copyPublicKey() {
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UIPasteboard.general.string = userHexEncodedPublicKey
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copyButton.isUserInteractionEnabled = false
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UIView.transition(with: copyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
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self.copyButton.setTitle(NSLocalizedString("Copied", comment: ""), for: UIControl.State.normal)
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}, completion: nil)
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Timer.scheduledTimer(timeInterval: 4, target: self, selector: #selector(enableCopyButton), userInfo: nil, repeats: false)
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}
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@objc private func sharePublicKey() {
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let shareVC = UIActivityViewController(activityItems: [ userHexEncodedPublicKey ], applicationActivities: nil)
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navigationController?.present(shareVC, animated: true, completion: nil)
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}
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// @objc private func scanQRCode() {
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// ows_ask(forCameraPermissions: { [weak self] hasCameraAccess in
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// if hasCameraAccess {
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// let message = NSLocalizedString("Scan the QR code of the person you'd like to securely message. They can find their QR code by going into Loki Messenger's in-app settings and clicking \"Show QR Code\".", comment: "")
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// let scanQRCodeWrapperVC = ScanQRCodeWrapperVC(message: message)
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// scanQRCodeWrapperVC.delegate = self
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// self?.navigationController!.pushViewController(scanQRCodeWrapperVC, animated: true)
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// } else {
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// // Do nothing
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// }
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// })
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// }
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//
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// func controller(_ controller: OWSQRCodeScanningViewController, didDetectQRCodeWith string: String) {
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// Analytics.shared.track("QR Code Scanned")
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// let hexEncodedPublicKey = string
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// startNewConversationIfPossible(with: hexEncodedPublicKey)
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// }
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@objc private func handleNextButtonTapped() {
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let hexEncodedPublicKey = publicKeyTextField.text?.trimmingCharacters(in: .whitespaces) ?? ""
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startNewConversationIfPossible(with: hexEncodedPublicKey)
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}
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private func startNewConversationIfPossible(with hexEncodedPublicKey: String) {
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if !ECKeyPair.isValidHexEncodedPublicKey(candidate: hexEncodedPublicKey) {
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let alert = UIAlertController(title: NSLocalizedString("Invalid Public Key", comment: ""), message: NSLocalizedString("Please check the public key you entered and try again.", comment: ""), preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default, handler: nil))
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presentAlert(alert)
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} else {
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let thread = TSContactThread.getOrCreateThread(contactId: hexEncodedPublicKey)
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presentingViewController!.dismiss(animated: true, completion: nil)
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SignalApp.shared().presentConversation(for: thread, action: .compose, animated: false)
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}
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}
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}
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@ -0,0 +1,306 @@
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final class NewPrivateChatVC : UIViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate, OWSQRScannerDelegate {
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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: "Enter Public Key") { [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: "Scan QR Code") { [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.newPrivateChatVC = 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()
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result.newPrivateChatVC = 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 message = NSLocalizedString("Scan the QR code of the person you'd like to securely message. They can find their QR code by going into Loki Messenger's in-app settings and tapping \"Show QR Code\".", comment: "")
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let result = ScanQRCodeWrapperVC(message: message)
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result.delegate = self
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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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// Set gradient background
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view.backgroundColor = .clear
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let gradient = Gradients.defaultLokiBackground
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view.setGradient(gradient)
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// Set navigation bar background color
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let navigationBar = navigationController!.navigationBar
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navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)
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navigationBar.shadowImage = UIImage()
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navigationBar.isTranslucent = false
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navigationBar.barTintColor = Colors.navigationBarBackground
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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.tintColor = Colors.text
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navigationItem.leftBarButtonItem = closeButton
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// Customize title
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let titleLabel = UILabel()
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titleLabel.text = NSLocalizedString("New Conversation", comment: "")
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titleLabel.textColor = Colors.text
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titleLabel.font = UIFont.boldSystemFont(ofSize: Values.veryLargeFontSize)
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navigationItem.titleView = titleLabel
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// Set up page VC
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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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// Set up tab bar
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view.addSubview(tabBar)
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tabBar.pin(.leading, to: .leading, of: view)
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tabBar.pin(.top, to: .top, of: view, withInset: navigationBar.height())
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view.pin(.trailing, to: .trailing, of: tabBar)
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// Set up page VC constraints
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let pageVCView = pageVC.view!
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view.addSubview(pageVCView)
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pageVCView.pin(.leading, to: .leading, of: view)
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pageVCView.pin(.top, to: .bottom, of: tabBar)
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view.pin(.trailing, to: .trailing, of: pageVCView)
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view.pin(.bottom, to: .bottom, of: pageVCView)
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let screen = UIScreen.main.bounds
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pageVCView.set(.width, to: screen.width)
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let height = navigationController!.view.bounds.height - navigationBar.height() - Values.tabBarHeight
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pageVCView.set(.height, to: height)
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enterPublicKeyVC.constrainHeight(to: height)
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scanQRCodePlaceholderVC.constrainHeight(to: height)
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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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pages[1] = scanQRCodeWrapperVC
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pageVC.setViewControllers([ scanQRCodeWrapperVC ], direction: .forward, animated: false, completion: nil)
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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: OWSQRCodeScanningViewController, didDetectQRCodeWith string: String) {
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let hexEncodedPublicKey = string
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startNewPrivateChatIfPossible(with: hexEncodedPublicKey)
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}
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fileprivate func startNewPrivateChatIfPossible(with hexEncodedPublicKey: String) {
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if !ECKeyPair.isValidHexEncodedPublicKey(candidate: hexEncodedPublicKey) {
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let alert = UIAlertController(title: NSLocalizedString("Invalid Public Key", comment: ""), message: NSLocalizedString("Please check the public key you entered and try again.", comment: ""), preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default, handler: nil))
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presentAlert(alert)
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} else {
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let thread = TSContactThread.getOrCreateThread(contactId: hexEncodedPublicKey)
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presentingViewController?.dismiss(animated: true, completion: nil)
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SignalApp.shared().presentConversation(for: thread, action: .compose, animated: false)
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}
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}
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}
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private final class EnterPublicKeyVC : UIViewController {
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var newPrivateChatVC: NewPrivateChatVC?
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private lazy var userHexEncodedPublicKey: String = {
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let userDefaults = UserDefaults.standard
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if let masterHexEncodedPublicKey = userDefaults.string(forKey: "masterDeviceHexEncodedPublicKey") {
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return masterHexEncodedPublicKey
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} else {
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return OWSIdentityManager.shared().identityKeyPair()!.hexEncodedPublicKey
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}
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}()
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// MARK: Components
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private lazy var publicKeyTextField = TextField(placeholder: NSLocalizedString("Enter public key of recipient", comment: ""))
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private lazy var copyButton: Button = {
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let result = Button(style: .unimportant)
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result.setTitle(NSLocalizedString("Copy", comment: ""), for: UIControl.State.normal)
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result.addTarget(self, action: #selector(copyPublicKey), for: UIControl.Event.touchUpInside)
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return result
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||||||
|
}()
|
||||||
|
|
||||||
|
// MARK: Lifecycle
|
||||||
|
override func viewDidLoad() {
|
||||||
|
// Remove background color
|
||||||
|
view.backgroundColor = .clear
|
||||||
|
// Set up explanation label
|
||||||
|
let explanationLabel = UILabel()
|
||||||
|
explanationLabel.textColor = Colors.text.withAlphaComponent(Values.unimportantElementOpacity)
|
||||||
|
explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
|
||||||
|
explanationLabel.text = NSLocalizedString("Users can share their public key by going into their account settings and tapping \"Share Public Key\", or by sharing their QR code.", comment: "")
|
||||||
|
explanationLabel.numberOfLines = 0
|
||||||
|
explanationLabel.textAlignment = .center
|
||||||
|
explanationLabel.lineBreakMode = .byWordWrapping
|
||||||
|
// Set up separator
|
||||||
|
let separator = Separator(title: NSLocalizedString("Your Public Key", comment: ""))
|
||||||
|
// Set up user public key label
|
||||||
|
let userPublicKeyLabel = UILabel()
|
||||||
|
userPublicKeyLabel.textColor = Colors.text
|
||||||
|
userPublicKeyLabel.font = Fonts.spaceMono(ofSize: Values.mediumFontSize)
|
||||||
|
userPublicKeyLabel.numberOfLines = 0
|
||||||
|
userPublicKeyLabel.textAlignment = .center
|
||||||
|
userPublicKeyLabel.lineBreakMode = .byCharWrapping
|
||||||
|
userPublicKeyLabel.text = userHexEncodedPublicKey
|
||||||
|
// Set up share button
|
||||||
|
let shareButton = Button(style: .unimportant)
|
||||||
|
shareButton.setTitle(NSLocalizedString("Share", comment: ""), for: UIControl.State.normal)
|
||||||
|
shareButton.addTarget(self, action: #selector(sharePublicKey), for: UIControl.Event.touchUpInside)
|
||||||
|
// Set up button container
|
||||||
|
let buttonContainer = UIStackView(arrangedSubviews: [ copyButton, shareButton ])
|
||||||
|
buttonContainer.axis = .horizontal
|
||||||
|
buttonContainer.spacing = Values.mediumSpacing
|
||||||
|
buttonContainer.distribution = .fillEqually
|
||||||
|
// Next button
|
||||||
|
let nextButton = Button(style: .prominent)
|
||||||
|
nextButton.setTitle(NSLocalizedString("Next", comment: ""), for: UIControl.State.normal)
|
||||||
|
nextButton.addTarget(self, action: #selector(startNewPrivateChatIfPossible), for: UIControl.Event.touchUpInside)
|
||||||
|
let nextButtonContainer = UIView()
|
||||||
|
nextButtonContainer.addSubview(nextButton)
|
||||||
|
nextButton.pin(.leading, to: .leading, of: nextButtonContainer, withInset: 80)
|
||||||
|
nextButton.pin(.top, to: .top, of: nextButtonContainer)
|
||||||
|
nextButtonContainer.pin(.trailing, to: .trailing, of: nextButton, withInset: 80)
|
||||||
|
nextButtonContainer.pin(.bottom, to: .bottom, of: nextButton)
|
||||||
|
// Stack view
|
||||||
|
let stackView = UIStackView(arrangedSubviews: [ publicKeyTextField, UIView.spacer(withHeight: Values.smallSpacing), explanationLabel, UIView.spacer(withHeight: Values.veryLargeSpacing), separator, UIView.spacer(withHeight: Values.veryLargeSpacing), userPublicKeyLabel, UIView.spacer(withHeight: Values.veryLargeSpacing), buttonContainer, UIView.spacer(withHeight: Values.veryLargeSpacing), nextButtonContainer, UIView.vStretchingSpacer() ])
|
||||||
|
stackView.axis = .vertical
|
||||||
|
stackView.alignment = .fill
|
||||||
|
stackView.layoutMargins = UIEdgeInsets(top: Values.mediumSpacing, left: Values.largeSpacing, bottom: Values.mediumSpacing, right: Values.largeSpacing)
|
||||||
|
stackView.isLayoutMarginsRelativeArrangement = true
|
||||||
|
view.addSubview(stackView)
|
||||||
|
stackView.pin(to: view)
|
||||||
|
// Set up width constraint
|
||||||
|
view.set(.width, to: UIScreen.main.bounds.width)
|
||||||
|
// Dismiss keyboard on tap
|
||||||
|
let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard))
|
||||||
|
view.addGestureRecognizer(tapGestureRecognizer)
|
||||||
|
}
|
||||||
|
|
||||||
|
override func viewDidAppear(_ animated: Bool) {
|
||||||
|
super.viewDidAppear(animated)
|
||||||
|
publicKeyTextField.becomeFirstResponder()
|
||||||
|
}
|
||||||
|
|
||||||
|
// MARK: General
|
||||||
|
func constrainHeight(to height: CGFloat) {
|
||||||
|
view.set(.height, to: height)
|
||||||
|
}
|
||||||
|
|
||||||
|
@objc private func dismissKeyboard() {
|
||||||
|
publicKeyTextField.resignFirstResponder()
|
||||||
|
}
|
||||||
|
|
||||||
|
@objc private func enableCopyButton() {
|
||||||
|
copyButton.isUserInteractionEnabled = true
|
||||||
|
UIView.transition(with: copyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
|
||||||
|
self.copyButton.setTitle(NSLocalizedString("Copy", comment: ""), for: UIControl.State.normal)
|
||||||
|
}, completion: nil)
|
||||||
|
}
|
||||||
|
|
||||||
|
// MARK: Interaction
|
||||||
|
@objc private func copyPublicKey() {
|
||||||
|
UIPasteboard.general.string = userHexEncodedPublicKey
|
||||||
|
copyButton.isUserInteractionEnabled = false
|
||||||
|
UIView.transition(with: copyButton, duration: 0.25, options: .transitionCrossDissolve, animations: {
|
||||||
|
self.copyButton.setTitle(NSLocalizedString("Copied", comment: ""), for: UIControl.State.normal)
|
||||||
|
}, completion: nil)
|
||||||
|
Timer.scheduledTimer(timeInterval: 4, target: self, selector: #selector(enableCopyButton), userInfo: nil, repeats: false)
|
||||||
|
}
|
||||||
|
|
||||||
|
@objc private func sharePublicKey() {
|
||||||
|
let shareVC = UIActivityViewController(activityItems: [ userHexEncodedPublicKey ], applicationActivities: nil)
|
||||||
|
newPrivateChatVC!.navigationController!.present(shareVC, animated: true, completion: nil)
|
||||||
|
}
|
||||||
|
|
||||||
|
@objc private func startNewPrivateChatIfPossible() {
|
||||||
|
let hexEncodedPublicKey = publicKeyTextField.text?.trimmingCharacters(in: .whitespaces) ?? ""
|
||||||
|
newPrivateChatVC!.startNewPrivateChatIfPossible(with: hexEncodedPublicKey)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private final class ScanQRCodePlaceholderVC : UIViewController {
|
||||||
|
var newPrivateChatVC: NewPrivateChatVC?
|
||||||
|
|
||||||
|
override func viewDidLoad() {
|
||||||
|
// Remove background color
|
||||||
|
view.backgroundColor = .clear
|
||||||
|
// Set up explanation label
|
||||||
|
let explanationLabel = UILabel()
|
||||||
|
explanationLabel.textColor = Colors.text
|
||||||
|
explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
|
||||||
|
explanationLabel.text = NSLocalizedString("Loki Messenger needs camera access to scan QR codes", comment: "")
|
||||||
|
explanationLabel.numberOfLines = 0
|
||||||
|
explanationLabel.textAlignment = .center
|
||||||
|
explanationLabel.lineBreakMode = .byWordWrapping
|
||||||
|
// Set up call to action button
|
||||||
|
let callToActionButton = UIButton()
|
||||||
|
callToActionButton.titleLabel!.font = .boldSystemFont(ofSize: Values.mediumFontSize)
|
||||||
|
callToActionButton.setTitleColor(Colors.accent, for: UIControl.State.normal)
|
||||||
|
callToActionButton.setTitle(NSLocalizedString("Enable Camera Access", comment: ""), for: UIControl.State.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.set(.width, to: UIScreen.main.bounds.width)
|
||||||
|
view.addSubview(stackView)
|
||||||
|
stackView.pin(.leading, to: .leading, of: view, withInset: Values.massiveSpacing)
|
||||||
|
view.pin(.trailing, to: .trailing, of: stackView, withInset: Values.massiveSpacing)
|
||||||
|
let verticalCenteringConstraint = stackView.center(.vertical, in: view)
|
||||||
|
verticalCenteringConstraint.constant = -16 // Makes things appear centered visually
|
||||||
|
}
|
||||||
|
|
||||||
|
func constrainHeight(to height: CGFloat) {
|
||||||
|
view.set(.height, to: height)
|
||||||
|
}
|
||||||
|
|
||||||
|
@objc private func requestCameraAccess() {
|
||||||
|
ows_ask(forCameraPermissions: { [weak self] hasCameraAccess in
|
||||||
|
if hasCameraAccess {
|
||||||
|
self?.newPrivateChatVC!.handleCameraAccessGranted()
|
||||||
|
} else {
|
||||||
|
// Do nothing
|
||||||
|
}
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,102 @@
|
|||||||
|
|
||||||
|
final class TabBar : UIView {
|
||||||
|
private let tabs: [Tab]
|
||||||
|
private var accentLineViewHorizontalCenteringConstraint: NSLayoutConstraint!
|
||||||
|
private var accentLineViewWidthConstraint: NSLayoutConstraint!
|
||||||
|
|
||||||
|
// MARK: Components
|
||||||
|
private lazy var tabLabels: [UILabel] = tabs.map { tab in
|
||||||
|
let result = UILabel()
|
||||||
|
result.font = .boldSystemFont(ofSize: Values.mediumFontSize)
|
||||||
|
result.textColor = Colors.text.withAlphaComponent(Values.unimportantElementOpacity)
|
||||||
|
result.textAlignment = .center
|
||||||
|
result.text = tab.title
|
||||||
|
result.set(.height, to: Values.tabBarHeight - Values.separatorThickness - Values.accentLineThickness)
|
||||||
|
return result
|
||||||
|
}
|
||||||
|
|
||||||
|
private lazy var accentLineView: UIView = {
|
||||||
|
let result = UIView()
|
||||||
|
result.backgroundColor = Colors.accent
|
||||||
|
return result
|
||||||
|
}()
|
||||||
|
|
||||||
|
// MARK: Types
|
||||||
|
struct Tab {
|
||||||
|
let title: String
|
||||||
|
let onTap: () -> Void
|
||||||
|
}
|
||||||
|
|
||||||
|
// MARK: Lifecycle
|
||||||
|
init(tabs: [Tab]) {
|
||||||
|
self.tabs = tabs
|
||||||
|
super.init(frame: CGRect.zero)
|
||||||
|
setUpViewHierarchy()
|
||||||
|
}
|
||||||
|
|
||||||
|
override init(frame: CGRect) {
|
||||||
|
preconditionFailure("Use init(tabs:) instead.")
|
||||||
|
}
|
||||||
|
|
||||||
|
required init?(coder: NSCoder) {
|
||||||
|
preconditionFailure("Use init(tabs:) instead.")
|
||||||
|
}
|
||||||
|
|
||||||
|
private func setUpViewHierarchy() {
|
||||||
|
set(.height, to: Values.tabBarHeight)
|
||||||
|
tabLabels.forEach { tabLabel in
|
||||||
|
let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTabLabelTapped(_:)))
|
||||||
|
tabLabel.addGestureRecognizer(tapGestureRecognizer)
|
||||||
|
}
|
||||||
|
let tabLabelStackView = UIStackView(arrangedSubviews: tabLabels)
|
||||||
|
tabLabelStackView.axis = .horizontal
|
||||||
|
tabLabelStackView.distribution = .fillEqually
|
||||||
|
tabLabelStackView.spacing = Values.mediumSpacing
|
||||||
|
let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTabLabelTapped(_:)))
|
||||||
|
tabLabelStackView.addGestureRecognizer(tapGestureRecognizer)
|
||||||
|
tabLabelStackView.set(.height, to: Values.tabBarHeight - Values.separatorThickness - Values.accentLineThickness)
|
||||||
|
addSubview(tabLabelStackView)
|
||||||
|
let separator = UIView()
|
||||||
|
separator.backgroundColor = Colors.separator
|
||||||
|
separator.set(.height, to: Values.separatorThickness)
|
||||||
|
addSubview(separator)
|
||||||
|
accentLineView.set(.height, to: Values.accentLineThickness)
|
||||||
|
addSubview(accentLineView)
|
||||||
|
tabLabelStackView.pin(.leading, to: .leading, of: self)
|
||||||
|
tabLabelStackView.pin(.top, to: .top, of: self)
|
||||||
|
pin(.trailing, to: .trailing, of: tabLabelStackView)
|
||||||
|
separator.pin(.leading, to: .leading, of: self)
|
||||||
|
separator.pin(.top, to: .bottom, of: tabLabelStackView)
|
||||||
|
pin(.trailing, to: .trailing, of: separator)
|
||||||
|
accentLineView.translatesAutoresizingMaskIntoConstraints = false
|
||||||
|
selectTab(at: 0, withAnimatedTransition: false)
|
||||||
|
accentLineView.pin(.top, to: .bottom, of: separator)
|
||||||
|
pin(.bottom, to: .bottom, of: accentLineView)
|
||||||
|
}
|
||||||
|
|
||||||
|
// MARK: Updating
|
||||||
|
func selectTab(at index: Int, withAnimatedTransition isAnimated: Bool = true) {
|
||||||
|
let tabLabel = tabLabels[index]
|
||||||
|
accentLineViewHorizontalCenteringConstraint?.isActive = false
|
||||||
|
accentLineViewHorizontalCenteringConstraint = accentLineView.centerXAnchor.constraint(equalTo: tabLabel.centerXAnchor)
|
||||||
|
accentLineViewHorizontalCenteringConstraint.isActive = true
|
||||||
|
accentLineViewWidthConstraint?.isActive = false
|
||||||
|
accentLineViewWidthConstraint = accentLineView.widthAnchor.constraint(equalTo: tabLabel.widthAnchor)
|
||||||
|
accentLineViewWidthConstraint.isActive = true
|
||||||
|
var tabLabelsCopy = tabLabels
|
||||||
|
tabLabelsCopy.remove(at: index)
|
||||||
|
UIView.animate(withDuration: isAnimated ? 0.25 : 0) {
|
||||||
|
tabLabel.textColor = Colors.text
|
||||||
|
tabLabelsCopy.forEach { $0.textColor = Colors.text.withAlphaComponent(Values.unimportantElementOpacity) }
|
||||||
|
self.layoutIfNeeded()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// MARK: Interaction
|
||||||
|
@objc private func handleTabLabelTapped(_ sender: UITapGestureRecognizer) {
|
||||||
|
guard let tabLabel = tabLabels.first(where: { $0.bounds.contains(sender.location(in: $0)) }), let index = tabLabels.firstIndex(of: tabLabel) else { return }
|
||||||
|
selectTab(at: index)
|
||||||
|
let tab = tabs[index]
|
||||||
|
tab.onTap()
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue