mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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359 lines
17 KiB
Swift
359 lines
17 KiB
Swift
import Foundation
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import UIKit
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import AppBundle
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import AsyncDisplayKit
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import Display
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import SwiftSignalKit
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import Camera
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import GlassButtonNode
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import CoreImage
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import AlertUI
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import WalletUrl
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private func generateFrameImage() -> UIImage? {
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return generateImage(CGSize(width: 64.0, height: 64.0), contextGenerator: { size, context in
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let bounds = CGRect(origin: CGPoint(), size: size)
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context.clear(bounds)
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context.setStrokeColor(UIColor.white.cgColor)
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context.setLineWidth(4.0)
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context.setLineCap(.round)
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let path = CGMutablePath()
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path.move(to: CGPoint(x: 2.0, y: 2.0 + 26.0))
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path.addArc(tangent1End: CGPoint(x: 2.0, y: 2.0), tangent2End: CGPoint(x: 2.0 + 26.0, y: 2.0), radius: 6.0)
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path.addLine(to: CGPoint(x: 2.0 + 26.0, y: 2.0))
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context.addPath(path)
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context.strokePath()
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path.move(to: CGPoint(x: size.width - 2.0, y: 2.0 + 26.0))
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path.addArc(tangent1End: CGPoint(x: size.width - 2.0, y: 2.0), tangent2End: CGPoint(x: 2.0 + 26.0, y: 2.0), radius: 6.0)
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path.addLine(to: CGPoint(x: size.width - 2.0 - 26.0, y: 2.0))
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context.addPath(path)
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context.strokePath()
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path.move(to: CGPoint(x: 2.0, y: size.height - 2.0 - 26.0))
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path.addArc(tangent1End: CGPoint(x: 2.0, y: size.height - 2.0), tangent2End: CGPoint(x: 2.0 + 26.0, y: size.height - 2.0), radius: 6.0)
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path.addLine(to: CGPoint(x: 2.0 + 26.0, y: size.height - 2.0))
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context.addPath(path)
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context.strokePath()
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path.move(to: CGPoint(x: size.width - 2.0, y: size.height - 2.0 - 26.0))
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path.addArc(tangent1End: CGPoint(x: size.width - 2.0, y: size.height - 2.0), tangent2End: CGPoint(x: 2.0 + 26.0, y: size.height - 2.0), radius: 6.0)
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path.addLine(to: CGPoint(x: size.width - 2.0 - 26.0, y: size.height - 2.0))
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context.addPath(path)
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context.strokePath()
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})?.stretchableImage(withLeftCapWidth: 32, topCapHeight: 32)
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}
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public final class WalletQrScanScreen: ViewController {
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private let context: WalletContext
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private let completion: (ParsedWalletUrl) -> Void
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private var presentationData: WalletPresentationData
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private var codeDisposable: Disposable?
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private var inForegroundDisposable: Disposable?
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public init(context: WalletContext, completion: @escaping (ParsedWalletUrl) -> Void) {
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self.context = context
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self.completion = completion
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self.presentationData = context.presentationData
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let navigationBarTheme = NavigationBarTheme(buttonColor: .white, disabledButtonColor: .white, primaryTextColor: .white, backgroundColor: .clear, separatorColor: .clear, badgeBackgroundColor: .clear, badgeStrokeColor: .clear, badgeTextColor: .clear)
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super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: navigationBarTheme, strings: NavigationBarStrings(back: self.presentationData.strings.Wallet_Navigation_Back, close: self.presentationData.strings.Wallet_Navigation_Close)))
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self.statusBar.statusBarStyle = .White
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self.navigationPresentation = .modalInLargeLayout
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self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
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self.navigationBar?.intrinsicCanTransitionInline = false
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self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Wallet_Navigation_Back, style: .plain, target: nil, action: nil)
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self.inForegroundDisposable = (context.inForeground
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|> deliverOnMainQueue).start(next: { [weak self] inForeground in
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guard let strongSelf = self else {
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return
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}
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(strongSelf.displayNode as! WalletQrScanScreenNode).updateInForeground(inForeground)
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})
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}
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required init(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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self.codeDisposable?.dispose()
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self.inForegroundDisposable?.dispose()
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}
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@objc private func backPressed() {
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self.dismiss()
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}
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override public func loadDisplayNode() {
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self.displayNode = WalletQrScanScreenNode(presentationData: self.presentationData)
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self.displayNodeDidLoad()
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self.codeDisposable = ((self.displayNode as! WalletQrScanScreenNode).focusedCode.get()
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|> map { code -> String? in
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return code?.message
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}
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|> distinctUntilChanged
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|> mapToSignal { code -> Signal<String?, NoError> in
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return .single(code) |> delay(0.5, queue: Queue.mainQueue())
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}).start(next: { [weak self] code in
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guard let strongSelf = self, let code = code else {
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return
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}
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if let url = URL(string: code), let parsedWalletUrl = parseWalletUrl(url) {
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strongSelf.completion(parsedWalletUrl)
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}
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})
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(self.displayNode as! WalletQrScanScreenNode).presentGallery = { [weak self] in
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guard let strongSelf = self else {
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return
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}
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strongSelf.context.pickImage(present: { c in
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strongSelf.push(c)
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}, completion: { image in
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let detector = CIDetector(ofType: CIDetectorTypeQRCode, context: nil, options: [CIDetectorAccuracy: CIDetectorAccuracyHigh])!
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if let ciImage = CIImage(image: image) {
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var options: [String: Any]
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if ciImage.properties.keys.contains((kCGImagePropertyOrientation as String)) {
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options = [CIDetectorImageOrientation: ciImage.properties[(kCGImagePropertyOrientation as String)] ?? 1]
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} else {
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options = [CIDetectorImageOrientation: 1]
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}
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let features = detector.features(in: ciImage, options: options)
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for case let row as CIQRCodeFeature in features {
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guard let message = row.messageString else {
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continue
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}
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if let url = URL(string: message), let parsedWalletUrl = parseWalletUrl(url) {
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strongSelf.completion(parsedWalletUrl)
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return
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}
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}
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}
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let theme = strongSelf.context.presentationData.theme
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let controller = textAlertController(alertContext: AlertControllerContext(theme: theme.alert, themeSignal: .single(theme.alert)), title: nil, text: "No valid QR code detected.", actions: [TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Wallet_Alert_OK, action: {})])
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strongSelf.present(controller, in: .window(.root))
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})
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}
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}
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override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
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super.containerLayoutUpdated(layout, transition: transition)
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(self.displayNode as! WalletQrScanScreenNode).containerLayoutUpdated(layout: layout, navigationHeight: self.navigationHeight, transition: transition)
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}
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}
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private final class WalletQrScanScreenNode: ViewControllerTracingNode, UIScrollViewDelegate {
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private var presentationData: WalletPresentationData
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private let previewNode: CameraPreviewNode
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private let fadeNode: ASDisplayNode
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private let topDimNode: ASDisplayNode
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private let bottomDimNode: ASDisplayNode
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private let leftDimNode: ASDisplayNode
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private let rightDimNode: ASDisplayNode
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private let frameNode: ASImageNode
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private let galleryButtonNode: GlassButtonNode
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private let torchButtonNode: GlassButtonNode
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private let titleNode: ImmediateTextNode
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private let camera: Camera
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private let codeDisposable = MetaDisposable()
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fileprivate let focusedCode = ValuePromise<CameraCode?>(ignoreRepeated: true)
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private var focusedRect: CGRect?
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var presentGallery: (() -> Void)?
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private var validLayout: (ContainerViewLayout, CGFloat)?
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init(presentationData: WalletPresentationData) {
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self.presentationData = presentationData
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self.previewNode = CameraPreviewNode()
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self.previewNode.backgroundColor = .black
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self.fadeNode = ASDisplayNode()
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self.fadeNode.alpha = 0.0
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self.fadeNode.backgroundColor = .black
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self.topDimNode = ASDisplayNode()
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self.topDimNode.alpha = 0.625
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self.topDimNode.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.8)
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self.bottomDimNode = ASDisplayNode()
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self.bottomDimNode.alpha = 0.625
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self.bottomDimNode.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.8)
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self.leftDimNode = ASDisplayNode()
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self.leftDimNode.alpha = 0.625
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self.leftDimNode.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.8)
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self.rightDimNode = ASDisplayNode()
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self.rightDimNode.alpha = 0.625
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self.rightDimNode.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.8)
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self.frameNode = ASImageNode()
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self.frameNode.image = generateFrameImage()
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self.galleryButtonNode = GlassButtonNode(icon: UIImage(bundleImageName: "Wallet/CameraGalleryIcon")!, label: nil)
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self.torchButtonNode = GlassButtonNode(icon: UIImage(bundleImageName: "Wallet/CameraFlashIcon")!, label: nil)
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self.titleNode = ImmediateTextNode()
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self.titleNode.displaysAsynchronously = false
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self.titleNode.attributedText = NSAttributedString(string: presentationData.strings.Wallet_Qr_ScanCode, font: Font.bold(32.0), textColor: .white)
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self.titleNode.maximumNumberOfLines = 0
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self.titleNode.textAlignment = .center
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self.camera = Camera(configuration: .init(preset: .hd1920x1080, position: .back, audio: false))
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super.init()
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self.backgroundColor = self.presentationData.theme.list.plainBackgroundColor
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self.addSubnode(self.previewNode)
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self.addSubnode(self.fadeNode)
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self.addSubnode(self.topDimNode)
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self.addSubnode(self.bottomDimNode)
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self.addSubnode(self.leftDimNode)
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self.addSubnode(self.rightDimNode)
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self.addSubnode(self.frameNode)
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self.addSubnode(self.galleryButtonNode)
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self.addSubnode(self.torchButtonNode)
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self.addSubnode(self.titleNode)
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self.galleryButtonNode.addTarget(self, action: #selector(self.galleryPressed), forControlEvents: .touchUpInside)
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self.torchButtonNode.addTarget(self, action: #selector(self.torchPressed), forControlEvents: .touchUpInside)
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}
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deinit {
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self.codeDisposable.dispose()
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self.camera.stopCapture(invalidate: true)
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}
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fileprivate func updateInForeground(_ inForeground: Bool) {
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if !inForeground {
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self.camera.stopCapture(invalidate: false)
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} else {
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self.camera.startCapture()
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}
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}
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override func didLoad() {
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super.didLoad()
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self.camera.attachPreviewNode(self.previewNode)
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self.camera.startCapture()
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let throttledSignal = self.camera.detectedCodes
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|> mapToThrottled { next -> Signal<[CameraCode], NoError> in
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return .single(next) |> then(.complete() |> delay(0.3, queue: Queue.concurrentDefaultQueue()))
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}
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self.codeDisposable.set((throttledSignal
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|> deliverOnMainQueue).start(next: { [weak self] codes in
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guard let strongSelf = self else {
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return
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}
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let filteredCodes = codes.filter { $0.message.hasPrefix("ton://") }
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if let code = filteredCodes.first, CGRect(x: 0.3, y: 0.3, width: 0.4, height: 0.4).contains(code.boundingBox.center) {
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strongSelf.focusedCode.set(code)
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strongSelf.updateFocusedRect(code.boundingBox)
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} else {
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strongSelf.focusedCode.set(nil)
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strongSelf.updateFocusedRect(nil)
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}
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}))
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}
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private func updateFocusedRect(_ rect: CGRect?) {
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self.focusedRect = rect
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if let (layout, navigationHeight) = self.validLayout {
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self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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func containerLayoutUpdated(layout: ContainerViewLayout, navigationHeight: CGFloat, transition: ContainedViewLayoutTransition) {
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self.validLayout = (layout, navigationHeight)
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let sideInset: CGFloat = 66.0
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let titleSpacing: CGFloat = 48.0
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let bounds = CGRect(origin: CGPoint(), size: layout.size)
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if case .tablet = layout.deviceMetrics.type {
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if UIDevice.current.orientation == .landscapeLeft {
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self.previewNode.transform = CATransform3DMakeRotation(-CGFloat.pi / 2.0, 0.0, 0.0, 1.0)
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} else if UIDevice.current.orientation == .landscapeRight {
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self.previewNode.transform = CATransform3DMakeRotation(CGFloat.pi / 2.0, 0.0, 0.0, 1.0)
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} else {
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self.previewNode.transform = CATransform3DIdentity
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}
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}
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transition.updateFrame(node: self.previewNode, frame: bounds)
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transition.updateFrame(node: self.fadeNode, frame: bounds)
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let frameSide = max(240.0, layout.size.width - sideInset * 2.0)
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let dimHeight = ceil((layout.size.height - frameSide) / 2.0)
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let dimInset = (layout.size.width - frameSide) / 2.0
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let dimAlpha: CGFloat
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let dimRect: CGRect
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let controlsAlpha: CGFloat
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if let focusedRect = self.focusedRect {
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controlsAlpha = 0.0
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dimAlpha = 1.0
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let side = max(bounds.width * focusedRect.width, bounds.height * focusedRect.height) * 0.6
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let center = CGPoint(x: (1.0 - focusedRect.center.y) * bounds.width, y: focusedRect.center.x * bounds.height)
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dimRect = CGRect(x: center.x - side / 2.0, y: center.y - side / 2.0, width: side, height: side)
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} else {
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controlsAlpha = 1.0
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dimAlpha = 0.625
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dimRect = CGRect(x: dimInset, y: dimHeight, width: layout.size.width - dimInset * 2.0, height: layout.size.height - dimHeight * 2.0)
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}
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transition.updateAlpha(node: self.topDimNode, alpha: dimAlpha)
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transition.updateAlpha(node: self.bottomDimNode, alpha: dimAlpha)
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transition.updateAlpha(node: self.leftDimNode, alpha: dimAlpha)
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transition.updateAlpha(node: self.rightDimNode, alpha: dimAlpha)
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transition.updateFrame(node: self.topDimNode, frame: CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: dimRect.minY))
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transition.updateFrame(node: self.bottomDimNode, frame: CGRect(x: 0.0, y: dimRect.maxY, width: layout.size.width, height: max(0.0, layout.size.height - dimRect.maxY)))
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transition.updateFrame(node: self.leftDimNode, frame: CGRect(x: 0.0, y: dimRect.minY, width: max(0.0, dimRect.minX), height: dimRect.height))
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transition.updateFrame(node: self.rightDimNode, frame: CGRect(x: dimRect.maxX, y: dimRect.minY, width: max(0.0, layout.size.width - dimRect.maxX), height: dimRect.height))
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transition.updateFrame(node: self.frameNode, frame: dimRect.insetBy(dx: -2.0, dy: -2.0))
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let buttonSize = CGSize(width: 72.0, height: 72.0)
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transition.updateFrame(node: self.galleryButtonNode, frame: CGRect(origin: CGPoint(x: floor(layout.size.width / 2.0) - buttonSize.width - 28.0, y: dimHeight + frameSide + 50.0), size: buttonSize))
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transition.updateFrame(node: self.torchButtonNode, frame: CGRect(origin: CGPoint(x: floor(layout.size.width / 2.0) + 28.0, y: dimHeight + frameSide + 50.0), size: buttonSize))
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transition.updateAlpha(node: self.titleNode, alpha: controlsAlpha)
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transition.updateAlpha(node: self.galleryButtonNode, alpha: controlsAlpha)
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transition.updateAlpha(node: self.torchButtonNode, alpha: controlsAlpha)
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let titleSize = self.titleNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: layout.size.height))
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let titleFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - titleSize.width) / 2.0), y: dimHeight - titleSize.height - titleSpacing), size: titleSize)
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transition.updateFrameAdditive(node: self.titleNode, frame: titleFrame)
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}
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@objc private func galleryPressed() {
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self.presentGallery?()
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}
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@objc private func torchPressed() {
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self.torchButtonNode.isSelected = !self.torchButtonNode.isSelected
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self.camera.setTorchActive(self.torchButtonNode.isSelected)
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}
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}
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