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75 lines
2.8 KiB
Swift
75 lines
2.8 KiB
Swift
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final class ScanQRCodeWrapperVC : BaseVC {
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var delegate: (UIViewController & OWSQRScannerDelegate)? = nil
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var isPresentedModally = false
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private let message: String
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private let scanQRCodeVC = OWSQRCodeScanningViewController()
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// MARK: Settings
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override var supportedInterfaceOrientations: UIInterfaceOrientationMask { return .portrait }
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// MARK: Lifecycle
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init(message: String) {
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self.message = message
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) {
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preconditionFailure("Use init(message:) instead.")
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}
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override init(nibName: String?, bundle: Bundle?) {
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preconditionFailure("Use init(message:) instead.")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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// Set up navigation bar if needed
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if isPresentedModally {
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navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .stop, target: self, action: #selector(close))
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}
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setUpGradientBackground()
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// Set up scan QR code VC
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scanQRCodeVC.scanDelegate = delegate
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let scanQRCodeVCView = scanQRCodeVC.view!
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view.addSubview(scanQRCodeVCView)
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scanQRCodeVCView.pin(.leading, to: .leading, of: view)
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scanQRCodeVCView.pin(.trailing, to: .trailing, of: view)
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scanQRCodeVCView.autoPinEdge(.top, to: .top, of: view)
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scanQRCodeVCView.autoPinToSquareAspectRatio()
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// Set up bottom view
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let bottomView = UIView()
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view.addSubview(bottomView)
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bottomView.pin(.top, to: .bottom, of: scanQRCodeVCView)
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bottomView.pin(.leading, to: .leading, of: view)
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bottomView.pin(.trailing, to: .trailing, of: view)
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bottomView.pin(.bottom, to: .bottom, of: view)
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// Set up explanation label
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let explanationLabel = UILabel()
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explanationLabel.text = message
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explanationLabel.textColor = Colors.text
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explanationLabel.font = .systemFont(ofSize: Values.smallFontSize)
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explanationLabel.numberOfLines = 0
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explanationLabel.lineBreakMode = .byWordWrapping
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explanationLabel.textAlignment = .center
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bottomView.addSubview(explanationLabel)
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explanationLabel.autoPinWidthToSuperview(withMargin: 32)
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explanationLabel.autoPinHeightToSuperview(withMargin: 32)
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// Title
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title = NSLocalizedString("Scan QR Code", comment: "")
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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UIDevice.current.ows_setOrientation(.portrait)
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DispatchQueue.main.async { [weak self] in
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self?.scanQRCodeVC.startCapture()
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}
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}
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// MARK: Interaction
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@objc private func close() {
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presentingViewController?.dismiss(animated: true, completion: nil)
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}
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}
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