Swiftgram/submodules/WalletUI/Sources/WalletTransactionInfoScreen.swift
Ilya Laktyushin 76b4d87922 Fixes
2020-02-18 22:15:48 +04:00

693 lines
35 KiB
Swift

import Foundation
import UIKit
import AppBundle
import AsyncDisplayKit
import Display
import SolidRoundedButtonNode
import SwiftSignalKit
import OverlayStatusController
import WalletCore
import AnimatedStickerNode
import Markdown
private func stringForFullDate(timestamp: Int32, strings: WalletStrings, dateTimeFormat: WalletPresentationDateTimeFormat) -> String {
var t: time_t = Int(timestamp)
var timeinfo = tm()
localtime_r(&t, &timeinfo);
let dayString = "\(timeinfo.tm_mday)"
let yearString = "\(2000 + timeinfo.tm_year - 100)"
let timeString = stringForShortTimestamp(hours: Int32(timeinfo.tm_hour), minutes: Int32(timeinfo.tm_min), dateTimeFormat: dateTimeFormat)
let monthFormat: (String, String, String) -> (String, [(Int, NSRange)])
switch timeinfo.tm_mon + 1 {
case 1:
monthFormat = strings.Wallet_Time_PreciseDate_m1
case 2:
monthFormat = strings.Wallet_Time_PreciseDate_m2
case 3:
monthFormat = strings.Wallet_Time_PreciseDate_m3
case 4:
monthFormat = strings.Wallet_Time_PreciseDate_m4
case 5:
monthFormat = strings.Wallet_Time_PreciseDate_m5
case 6:
monthFormat = strings.Wallet_Time_PreciseDate_m6
case 7:
monthFormat = strings.Wallet_Time_PreciseDate_m7
case 8:
monthFormat = strings.Wallet_Time_PreciseDate_m8
case 9:
monthFormat = strings.Wallet_Time_PreciseDate_m9
case 10:
monthFormat = strings.Wallet_Time_PreciseDate_m10
case 11:
monthFormat = strings.Wallet_Time_PreciseDate_m11
case 12:
monthFormat = strings.Wallet_Time_PreciseDate_m12
default:
return ""
}
return monthFormat(dayString, yearString, timeString).0
}
private enum WalletTransactionAddress {
case list([String])
case none
case unknown
}
private func stringForAddress(strings: WalletStrings, address: WalletTransactionAddress) -> String {
switch address {
case let .list(addresses):
return addresses.map { formatAddress($0) }.joined(separator: "\n\n")
case .none:
return strings.Wallet_TransactionInfo_NoAddress
case .unknown:
return "<unknown>"
}
}
private func extractAddress(_ walletTransaction: WalletInfoTransaction) -> WalletTransactionAddress {
switch walletTransaction {
case let .completed(walletTransaction):
let transferredValue = walletTransaction.transferredValueWithoutFees
if transferredValue <= 0 {
if walletTransaction.outMessages.isEmpty {
return .none
} else {
var addresses: [String] = []
for message in walletTransaction.outMessages {
addresses.append(message.destination)
}
return .list(addresses)
}
} else {
if let inMessage = walletTransaction.inMessage {
return .list([inMessage.source])
} else {
return .unknown
}
}
return .none
case let .pending(pending):
return .list([pending.address])
}
}
private func extractDescription(_ walletTransaction: WalletInfoTransaction) -> String {
switch walletTransaction {
case let .completed(walletTransaction):
let transferredValue = walletTransaction.transferredValueWithoutFees
var text = ""
if transferredValue <= 0 {
for message in walletTransaction.outMessages {
if !text.isEmpty {
text.append("\n\n")
}
text.append(message.textMessage)
}
} else {
if let inMessage = walletTransaction.inMessage {
text = inMessage.textMessage
}
}
return text
case let .pending(pending):
return String(data: pending.comment, encoding: .utf8) ?? ""
}
}
private func messageBubbleImage(incoming: Bool, fillColor: UIColor, strokeColor: UIColor) -> UIImage {
let diameter: CGFloat = 36.0
let corner: CGFloat = 7.0
return generateImage(CGSize(width: 42.0, height: diameter), contextGenerator: { size, context in
context.clear(CGRect(origin: CGPoint(), size: size))
context.translateBy(x: size.width / 2.0, y: size.height / 2.0)
context.scaleBy(x: incoming ? 1.0 : -1.0, y: -1.0)
context.translateBy(x: -size.width / 2.0 + 0.5, y: -size.height / 2.0 + 0.5)
let lineWidth: CGFloat = 1.0
context.setFillColor(fillColor.cgColor)
context.setLineWidth(lineWidth)
context.setStrokeColor(strokeColor.cgColor)
let _ = try? drawSvgPath(context, path: "M6,17.5 C6,7.83289181 13.8350169,0 23.5,0 C33.1671082,0 41,7.83501688 41,17.5 C41,27.1671082 33.1649831,35 23.5,35 C19.2941198,35 15.4354328,33.5169337 12.4179496,31.0453367 C9.05531719,34.9894816 -2.41102995e-08,35 0,35 C5.972003,31.5499861 6,26.8616169 6,26.8616169 L6,17.5 L6,17.5 ")
context.strokePath()
let _ = try? drawSvgPath(context, path: "M6,17.5 C6,7.83289181 13.8350169,0 23.5,0 C33.1671082,0 41,7.83501688 41,17.5 C41,27.1671082 33.1649831,35 23.5,35 C19.2941198,35 15.4354328,33.5169337 12.4179496,31.0453367 C9.05531719,34.9894816 -2.41102995e-08,35 0,35 C5.972003,31.5499861 6,26.8616169 6,26.8616169 L6,17.5 L6,17.5 ")
context.fillPath()
})!.stretchableImage(withLeftCapWidth: incoming ? Int(corner + diameter / 2.0) : Int(diameter / 2.0), topCapHeight: Int(diameter / 2.0))
}
final class WalletTransactionInfoScreen: ViewController {
private let context: WalletContext
private let walletInfo: WalletInfo?
private let walletTransaction: WalletInfoTransaction
private let walletState: Signal<(CombinedWalletState, Bool), NoError>
private var presentationData: WalletPresentationData
private var walletStateDisposable: Disposable?
private var combinedState: CombinedWalletState?
private var reloadingState = false
public init(context: WalletContext, walletInfo: WalletInfo?, walletTransaction: WalletInfoTransaction, walletState: Signal<(CombinedWalletState, Bool), NoError>, enableDebugActions: Bool) {
self.context = context
self.walletInfo = walletInfo
self.walletTransaction = walletTransaction
self.walletState = walletState
self.presentationData = context.presentationData
let defaultTheme = self.presentationData.theme.navigationBar
let navigationBarTheme = NavigationBarTheme(buttonColor: defaultTheme.buttonColor, disabledButtonColor: defaultTheme.disabledButtonColor, primaryTextColor: defaultTheme.primaryTextColor, backgroundColor: .clear, separatorColor: .clear, badgeBackgroundColor: defaultTheme.badgeBackgroundColor, badgeStrokeColor: defaultTheme.badgeStrokeColor, badgeTextColor: defaultTheme.badgeTextColor)
super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: navigationBarTheme, strings: NavigationBarStrings(back: self.presentationData.strings.Wallet_Navigation_Back, close: self.presentationData.strings.Wallet_Navigation_Close)))
self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
self.navigationBar?.intrinsicCanTransitionInline = false
self.navigationPresentation = .flatModal
self.navigationItem.leftBarButtonItem = UIBarButtonItem(customView: UIView())
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Wallet_Navigation_Back, style: .plain, target: nil, action: nil)
self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Wallet_Navigation_Done, style: .done, target: self, action: #selector(self.donePressed))
self.walletStateDisposable = (walletState
|> deliverOnMainQueue).start(next: { [weak self] combinedState, reloadingState in
guard let strongSelf = self else {
return
}
strongSelf.combinedState = combinedState
strongSelf.reloadingState = reloadingState
})
}
deinit {
self.walletStateDisposable?.dispose()
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override public func loadDisplayNode() {
self.displayNode = WalletTransactionInfoScreenNode(context: self.context, presentationData: self.presentationData, walletTransaction: self.walletTransaction)
(self.displayNode as! WalletTransactionInfoScreenNode).send = { [weak self] address in
guard let strongSelf = self else {
return
}
if strongSelf.reloadingState {
strongSelf.present(standardTextAlertController(theme: strongSelf.presentationData.theme.alert, title: nil, text: strongSelf.presentationData.strings.Wallet_Send_SyncInProgress, actions: [
TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Wallet_Alert_OK, action: {
})
]), in: .window(.root))
} else if let combinedState = strongSelf.combinedState, !combinedState.pendingTransactions.isEmpty {
strongSelf.present(standardTextAlertController(theme: strongSelf.presentationData.theme.alert, title: nil, text: strongSelf.presentationData.strings.Wallet_Send_TransactionInProgress, actions: [
TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Wallet_Alert_OK, action: {
})
]), in: .window(.root))
} else {
var randomId: Int64 = 0
arc4random_buf(&randomId, 8)
if let walletInfo = strongSelf.walletInfo {
strongSelf.push(walletSendScreen(context: strongSelf.context, randomId: randomId, walletInfo: walletInfo, address: address))
strongSelf.dismiss()
}
}
}
(self.displayNode as! WalletTransactionInfoScreenNode).displayFeesTooltip = { [weak self] node, rect in
guard let strongSelf = self else {
return
}
let text: NSAttributedString
if let _ = strongSelf.context.feeInfoUrl {
let body = MarkdownAttributeSet(font: Font.regular(14.0), textColor: .white, additionalAttributes: [:])
let link = MarkdownAttributeSet(font: Font.regular(14.0), textColor: strongSelf.context.presentationData.theme.alert.accentColor, additionalAttributes: [:])
text = parseMarkdownIntoAttributedString(strongSelf.context.presentationData.strings.Wallet_TransactionInfo_StorageFeeInfoUrl, attributes: MarkdownAttributes(body: body, bold: body, link: link, linkAttribute: { _ in nil }), textAlignment: .center)
} else {
text = NSAttributedString(string: strongSelf.context.presentationData.strings.Wallet_TransactionInfo_StorageFeeInfo, font: Font.regular(14.0), textColor: .white, paragraphAlignment: .center)
}
let controller = TooltipController(content: .attributedText(text), baseFontSize: 17.0, timeout: 3.0, dismissByTapOutside: true, dismissByTapOutsideSource: false, dismissImmediatelyOnLayoutUpdate: false, arrowOnBottom: false)
controller.dismissed = { [weak self] tappedInside in
if let strongSelf = self, tappedInside {
if let feeInfoUrl = strongSelf.context.feeInfoUrl {
strongSelf.context.openUrl(feeInfoUrl)
}
}
}
strongSelf.present(controller, in: .window(.root), with: TooltipControllerPresentationArguments(sourceViewAndRect: {
if let strongSelf = self {
return (node.view, rect.insetBy(dx: 0.0, dy: -4.0))
}
return nil
}))
}
(self.displayNode as! WalletTransactionInfoScreenNode).displayCopyContextMenu = { [weak self] node, frame, text in
guard let strongSelf = self else {
return
}
let contextMenuController = ContextMenuController(actions: [ContextMenuAction(content: .text(title: strongSelf.presentationData.strings.Wallet_ContextMenuCopy, accessibilityLabel: strongSelf.presentationData.strings.Wallet_ContextMenuCopy), action: {
UIPasteboard.general.string = text
})])
strongSelf.present(contextMenuController, in: .window(.root), with: ContextMenuControllerPresentationArguments(sourceNodeAndRect: { [weak self] in
if let strongSelf = self {
return (node, frame.insetBy(dx: 0.0, dy: -2.0), strongSelf.displayNode, strongSelf.displayNode.view.bounds)
} else {
return nil
}
}))
}
self.displayNodeDidLoad()
}
private let measureTextNode = TextNode()
override func preferredContentSizeForLayout(_ layout: ContainerViewLayout) -> CGSize? {
let insets = layout.insets(options: [])
let minHeight: CGFloat = 424.0
let maxHeight: CGFloat = min(596.0, layout.size.height)
let text = NSAttributedString(string: extractDescription(self.walletTransaction), font: Font.regular(17.0), textColor: .black)
let makeTextLayout = TextNode.asyncLayout(self.measureTextNode)
let (textLayout, _) = makeTextLayout(TextNodeLayoutArguments(attributedString: text, backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: layout.size.width - 36.0 * 2.0, height: CGFloat.greatestFiniteMagnitude), alignment: .natural, cutout: nil, insets: UIEdgeInsets()))
var resultHeight = minHeight
if textLayout.size.height > 0.0 {
let textHeight = textLayout.size.height + 24.0
let minOverscroll: CGFloat = 42.0
let maxOverscroll: CGFloat = 148.0
let contentHeight = minHeight + textHeight
let difference = contentHeight - maxHeight
if difference < 0.0 {
resultHeight = contentHeight
} else if difference > maxOverscroll {
resultHeight = maxHeight
} else if difference > minOverscroll {
resultHeight = maxHeight - (maxOverscroll - difference)
} else {
resultHeight = maxHeight - (minOverscroll - difference)
}
}
return CGSize(width: layout.size.width, height: resultHeight + insets.bottom)
}
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
super.containerLayoutUpdated(layout, transition: transition)
(self.displayNode as! WalletTransactionInfoScreenNode).containerLayoutUpdated(layout: layout, navigationHeight: self.navigationHeight, transition: transition)
}
@objc private func donePressed() {
self.dismiss()
}
}
private let amountFont = Font.medium(48.0)
private let fractionalFont = Font.medium(24.0)
private final class WalletTransactionInfoScreenNode: ViewControllerTracingNode, UIScrollViewDelegate {
private let context: WalletContext
private var presentationData: WalletPresentationData
private let walletTransaction: WalletInfoTransaction
private let incoming: Bool
private let titleNode: ImmediateTextNode
private let timeNode: ImmediateTextNode
private let navigationBackgroundNode: ASDisplayNode
private let navigationSeparatorNode: ASDisplayNode
private let scrollNode: ASScrollNode
private let amountNode: WalletInfoBalanceNode
private let activateArea: AccessibilityAreaNode
private let feesNode: ImmediateTextNode
private let feesInfoIconNode: ASImageNode
private let feesButtonNode: ASButtonNode
private let commentBackgroundNode: ASImageNode
private let commentTextNode: ImmediateTextNode
private let commentSeparatorNode: ASDisplayNode
private let addressTextNode: ImmediateTextNode
private let buttonNode: SolidRoundedButtonNode
private var validLayout: (ContainerViewLayout, CGFloat)?
var send: ((String) -> Void)?
var displayFeesTooltip: ((ASDisplayNode, CGRect) -> Void)?
var displayCopyContextMenu: ((ASDisplayNode, CGRect, String) -> Void)?
init(context: WalletContext, presentationData: WalletPresentationData, walletTransaction: WalletInfoTransaction) {
self.context = context
self.presentationData = presentationData
self.walletTransaction = walletTransaction
self.titleNode = ImmediateTextNode()
self.titleNode.textAlignment = .center
self.titleNode.maximumNumberOfLines = 1
self.timeNode = ImmediateTextNode()
self.timeNode.textAlignment = .center
self.timeNode.maximumNumberOfLines = 1
self.navigationBackgroundNode = ASDisplayNode()
self.navigationBackgroundNode.backgroundColor = self.presentationData.theme.navigationBar.backgroundColor
self.navigationBackgroundNode.alpha = 0.0
self.navigationSeparatorNode = ASDisplayNode()
self.navigationSeparatorNode.backgroundColor = self.presentationData.theme.navigationBar.separatorColor
self.scrollNode = ASScrollNode()
self.amountNode = WalletInfoBalanceNode(dateTimeFormat: presentationData.dateTimeFormat)
self.feesNode = ImmediateTextNode()
self.feesNode.textAlignment = .center
self.feesNode.maximumNumberOfLines = 2
self.feesNode.lineSpacing = 0.35
self.feesInfoIconNode = ASImageNode()
self.feesInfoIconNode.displaysAsynchronously = false
self.feesInfoIconNode.displayWithoutProcessing = true
self.feesInfoIconNode.image = UIImage(bundleImageName: "Wallet/InfoIcon")
self.feesButtonNode = ASButtonNode()
self.commentBackgroundNode = ASImageNode()
self.commentBackgroundNode.contentMode = .scaleToFill
self.commentBackgroundNode.isUserInteractionEnabled = true
self.commentTextNode = ImmediateTextNode()
self.commentTextNode.textAlignment = .natural
self.commentTextNode.maximumNumberOfLines = 0
self.commentTextNode.isUserInteractionEnabled = false
self.commentSeparatorNode = ASDisplayNode()
self.commentSeparatorNode.backgroundColor = self.presentationData.theme.list.itemPlainSeparatorColor
self.addressTextNode = ImmediateTextNode()
self.addressTextNode.maximumNumberOfLines = 4
self.addressTextNode.textAlignment = .justified
self.addressTextNode.lineSpacing = 0.35
self.buttonNode = SolidRoundedButtonNode(title: "", icon: nil, theme: SolidRoundedButtonTheme(backgroundColor: self.presentationData.theme.setup.buttonFillColor, foregroundColor: self.presentationData.theme.setup.buttonForegroundColor), height: 50.0, cornerRadius: 10.0, gloss: false)
self.activateArea = AccessibilityAreaNode()
let timestamp: Int64
let transferredValue: Int64
switch walletTransaction {
case let .completed(transaction):
timestamp = transaction.timestamp
transferredValue = transaction.transferredValueWithoutFees
case let .pending(transaction):
timestamp = transaction.timestamp
transferredValue = -transaction.value
}
self.incoming = transferredValue > 0
super.init()
self.backgroundColor = self.presentationData.theme.list.plainBackgroundColor
self.addSubnode(self.scrollNode)
self.addSubnode(self.feesNode)
self.addSubnode(self.feesInfoIconNode)
self.addSubnode(self.feesButtonNode)
self.scrollNode.addSubnode(self.commentBackgroundNode)
self.scrollNode.addSubnode(self.commentTextNode)
self.addSubnode(self.navigationBackgroundNode)
self.navigationBackgroundNode.addSubnode(self.navigationSeparatorNode)
self.addSubnode(self.titleNode)
self.addSubnode(self.timeNode)
self.addSubnode(self.amountNode)
self.addSubnode(self.commentSeparatorNode)
self.addSubnode(self.addressTextNode)
self.addSubnode(self.buttonNode)
let titleFont = Font.semibold(17.0)
let subtitleFont = Font.regular(13.0)
let addressFont = Font.monospace(17.0)
let textColor = self.presentationData.theme.list.itemPrimaryTextColor
let seccondaryTextColor = self.presentationData.theme.list.itemSecondaryTextColor
self.titleNode.attributedText = NSAttributedString(string: self.presentationData.strings.Wallet_TransactionInfo_Title, font: titleFont, textColor: textColor)
self.timeNode.attributedText = NSAttributedString(string: stringForFullDate(timestamp: Int32(clamping: timestamp), strings: self.presentationData.strings, dateTimeFormat: self.presentationData.dateTimeFormat), font: subtitleFont, textColor: seccondaryTextColor)
let amountString: String
let amountColor: UIColor
if transferredValue <= 0 {
amountString = "\(formatBalanceText(-transferredValue, decimalSeparator: self.presentationData.dateTimeFormat.decimalSeparator))"
amountColor = self.presentationData.theme.info.outgoingFundsTitleColor
} else {
amountString = "\(formatBalanceText(transferredValue, decimalSeparator: self.presentationData.dateTimeFormat.decimalSeparator))"
amountColor = self.presentationData.theme.info.incomingFundsTitleColor
}
self.amountNode.balance = (amountString, amountColor)
var feesString: String = ""
if case let .completed(transaction) = walletTransaction {
if transaction.otherFee != 0 {
feesString.append(formatBalanceText(transaction.otherFee, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator) + " transaction fee")
}
if transaction.storageFee != 0 {
if !feesString.isEmpty {
feesString.append("\n")
}
feesString.append(formatBalanceText(transaction.storageFee, decimalSeparator: presentationData.dateTimeFormat.decimalSeparator) + " storage fee")
}
self.feesInfoIconNode.isHidden = feesString.isEmpty
}
self.feesNode.attributedText = NSAttributedString(string: feesString, font: subtitleFont, textColor: seccondaryTextColor)
self.feesButtonNode.addTarget(self, action: #selector(self.feesPressed), forControlEvents: .touchUpInside)
var commentBackgroundColor = presentationData.theme.transaction.descriptionBackgroundColor
if commentBackgroundColor.distance(to: presentationData.theme.list.plainBackgroundColor) < 100 {
commentBackgroundColor = UIColor(rgb: 0xf1f1f4)
}
self.commentBackgroundNode.image = messageBubbleImage(incoming: transferredValue > 0, fillColor: commentBackgroundColor, strokeColor: presentationData.theme.transaction.descriptionBackgroundColor)
self.commentTextNode.attributedText = NSAttributedString(string: extractDescription(walletTransaction), font: Font.regular(17.0), textColor: presentationData.theme.transaction.descriptionTextColor)
let address = extractAddress(walletTransaction)
var singleAddress: String?
if case let .list(list) = address, list.count == 1 {
singleAddress = list.first
}
if let address = singleAddress {
self.addressTextNode.attributedText = NSAttributedString(string: formatAddress(address), font: addressFont, textColor: textColor, paragraphAlignment: .justified)
self.buttonNode.title = presentationData.strings.Wallet_TransactionInfo_SendGrams
self.buttonNode.pressed = { [weak self] in
self?.send?(address)
}
}
}
override func didLoad() {
super.didLoad()
self.scrollNode.view.delegate = self
self.scrollNode.view.alwaysBounceVertical = true
self.scrollNode.view.showsVerticalScrollIndicator = false
let commentGestureRecognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.tapLongTapOrDoubleTapCommentGesture(_:)))
commentGestureRecognizer.tapActionAtPoint = { [weak self] point in
return .waitForSingleTap
}
self.commentBackgroundNode.view.addGestureRecognizer(commentGestureRecognizer)
let addressGestureRecognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.tapLongTapOrDoubleTapAddressGesture(_:)))
addressGestureRecognizer.tapActionAtPoint = { [weak self] point in
return .waitForSingleTap
}
self.addressTextNode.view.addGestureRecognizer(addressGestureRecognizer)
}
@objc func tapLongTapOrDoubleTapCommentGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
switch recognizer.state {
case .ended:
if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
switch gesture {
case .longTap:
let description = extractDescription(self.walletTransaction)
if !description.isEmpty {
self.displayCopyContextMenu?(self, self.commentBackgroundNode.convert(self.commentBackgroundNode.bounds, to: self), description)
}
default:
break
}
}
default:
break
}
}
@objc func tapLongTapOrDoubleTapAddressGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
switch recognizer.state {
case .ended:
if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
switch gesture {
case .longTap:
let address = extractAddress(self.walletTransaction)
var singleAddress: String?
if case let .list(list) = address, list.count == 1 {
singleAddress = list.first
}
if let address = singleAddress {
self.displayCopyContextMenu?(self, self.addressTextNode.convert(self.addressTextNode.bounds, to: self), address)
}
default:
break
}
}
default:
break
}
}
@objc private func feesPressed() {
self.displayFeesTooltip?(self.feesNode, self.feesNode.bounds)
}
func scrollViewDidScroll(_ scrollView: UIScrollView) {
self.updateTitle(transition: .immediate)
}
private func updateTitle(transition: ContainedViewLayoutTransition) {
guard let (layout, navigationHeight) = self.validLayout else {
return
}
let width = layout.size.width
let sideInset: CGFloat = 16.0
let minOffset = navigationHeight
let maxOffset: CGFloat = 200.0
let nominalFeesHeight: CGFloat = 42.0
let minHeaderOffset = minOffset
let maxHeaderOffset = (minOffset + maxOffset) / 2.0
let maxHeaderPositionOffset = maxOffset - nominalFeesHeight
let offset: CGFloat = max(0.0, maxOffset - self.scrollNode.view.contentOffset.y)
let effectiveOffset = max(offset, navigationHeight)
let minFeesOffset = maxOffset - nominalFeesHeight
let maxFeesOffset = maxOffset
let feesTransition: CGFloat = max(0.0, min(1.0, (effectiveOffset - minFeesOffset) / (maxFeesOffset - minFeesOffset)))
let feesAlpha: CGFloat = feesTransition
transition.updateAlpha(node: self.feesNode, alpha: feesAlpha)
let headerScaleTransition: CGFloat = max(0.0, min(1.0, (effectiveOffset - minHeaderOffset) / (maxHeaderOffset - minHeaderOffset)))
let balanceHeight = self.amountNode.update(width: width, scaleTransition: headerScaleTransition, transition: transition)
let balanceSize = CGSize(width: width, height: balanceHeight)
let maxHeaderScale: CGFloat = min(1.0, (width - 40.0) / balanceSize.width)
let minHeaderScale: CGFloat = min(0.435, (width - 80.0 * 2.0) / balanceSize.width)
let minHeaderHeight: CGFloat = balanceSize.height
let minHeaderY = floor((navigationHeight - minHeaderHeight) / 2.0)
let maxHeaderY: CGFloat = 90.0
let headerPositionTransition: CGFloat = min(1.0, max(0.0, (effectiveOffset - minHeaderOffset) / (maxHeaderPositionOffset - minHeaderOffset)))
let headerY = headerPositionTransition * maxHeaderY + (1.0 - headerPositionTransition) * minHeaderY
let headerScale = headerScaleTransition * maxHeaderScale + (1.0 - headerScaleTransition) * minHeaderScale
let balanceFrame = CGRect(origin: CGPoint(x: 0.0, y: headerY), size: balanceSize)
transition.updateFrame(node: self.amountNode, frame: balanceFrame)
transition.updateSublayerTransformScale(node: self.amountNode, scale: headerScale)
let feesSize = self.feesNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
let feesFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - feesSize.width) / 2.0), y: headerY + 64.0), size: feesSize)
transition.updateFrame(node: self.feesNode, frame: feesFrame)
transition.updateFrame(node: self.feesButtonNode, frame: feesFrame)
self.feesButtonNode.isUserInteractionEnabled = feesAlpha > 1.0 - CGFloat.ulpOfOne
let minTitleOffset = minOffset
let maxTitleOffset = (minOffset + maxOffset) / 2.0
let titleTransition: CGFloat = max(0.0, min(1.0, (effectiveOffset - minTitleOffset) / (maxTitleOffset - minTitleOffset)))
let titleAlpha: CGFloat = titleTransition * titleTransition
transition.updateAlpha(node: self.titleNode, alpha: titleAlpha)
transition.updateAlpha(node: self.timeNode, alpha: titleAlpha)
let minTitleY: CGFloat = -44.0
let maxTitleY: CGFloat = 10.0
let titleY: CGFloat = titleTransition * maxTitleY + (1.0 - titleTransition) * minTitleY
let titleSize = self.titleNode.updateLayout(CGSize(width: width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
let titleFrame = CGRect(origin: CGPoint(x: floor((width - titleSize.width) / 2.0), y: titleY), size: titleSize)
transition.updateFrame(node: self.titleNode, frame: titleFrame)
let subtitleSize = self.timeNode.updateLayout(CGSize(width: width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
let subtitleFrame = CGRect(origin: CGPoint(x: floor((width - subtitleSize.width) / 2.0), y: titleFrame.maxY + 1.0), size: subtitleSize)
transition.updateFrame(node: self.timeNode, frame: subtitleFrame)
let alphaTransition: ContainedViewLayoutTransition = .animated(duration: 0.2, curve: .easeInOut)
let navigationAlpha: CGFloat = (headerScaleTransition <= 0.0 + CGFloat.ulpOfOne) ? 1.0 : 0.0
if self.navigationBackgroundNode.alpha != navigationAlpha {
alphaTransition.updateAlpha(node: self.navigationBackgroundNode, alpha: navigationAlpha, beginWithCurrentState: true)
}
let separatorAlpha: CGFloat = self.scrollNode.view.contentOffset.y + self.scrollNode.frame.height >= self.scrollNode.view.contentSize.height ? 0.0 : 1.0
if self.commentSeparatorNode.alpha != separatorAlpha {
alphaTransition.updateAlpha(node: self.commentSeparatorNode, alpha: separatorAlpha, beginWithCurrentState: true)
}
}
func containerLayoutUpdated(layout: ContainerViewLayout, navigationHeight: CGFloat, transition: ContainedViewLayoutTransition) {
self.validLayout = (layout, navigationHeight)
var insets = layout.insets(options: [])
insets.top += navigationHeight
let sideInset: CGFloat = 22.0
self.updateTitle(transition: transition)
let buttonSideInset: CGFloat = 16.0
let bottomInset = insets.bottom + 10.0
let buttonWidth = layout.size.width - buttonSideInset * 2.0
let buttonHeight: CGFloat = 50.0
let buttonFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - buttonWidth) / 2.0), y: layout.size.height - bottomInset - buttonHeight), size: CGSize(width: buttonWidth, height: buttonHeight))
transition.updateFrame(node: self.buttonNode, frame: buttonFrame)
self.buttonNode.updateLayout(width: buttonFrame.width, transition: transition)
let addressSize = self.addressTextNode.updateLayout(CGSize(width: layout.size.width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
let addressFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - addressSize.width) / 2.0), y: buttonFrame.minY - addressSize.height - 34.0), size: addressSize)
transition.updateFrame(node: self.addressTextNode, frame: addressFrame)
transition.updateFrame(node: self.navigationBackgroundNode, frame: CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: navigationHeight))
transition.updateFrame(node: self.navigationSeparatorNode, frame: CGRect(x: 0.0, y: navigationHeight, width: layout.size.width, height: UIScreenPixel))
let commentSeparatorFrame = CGRect(x: 0.0, y: addressFrame.minY - 36.0, width: layout.size.width, height: UIScreenPixel)
transition.updateFrame(node: self.commentSeparatorNode, frame: commentSeparatorFrame)
let scrollFrame = CGRect(x: 0.0, y: navigationHeight, width: layout.size.width, height: commentSeparatorFrame.minY - navigationHeight)
transition.updateFrame(node: self.scrollNode, frame: scrollFrame)
let commentSize = self.commentTextNode.updateLayout(CGSize(width: layout.size.width - 36.0 * 2.0, height: CGFloat.greatestFiniteMagnitude))
let commentOrigin = CGPoint(x: floor((layout.size.width - commentSize.width) / 2.0), y: 175.0)
let commentFrame = CGRect(origin: commentOrigin, size: commentSize)
transition.updateFrame(node: self.commentTextNode, frame: commentFrame)
var commentBackgroundFrame = commentSize.width > 0.0 ? commentFrame.insetBy(dx: -11.0, dy: -7.0) : CGRect()
commentBackgroundFrame.size.width += 7.0
if self.incoming {
commentBackgroundFrame.origin.x -= 7.0
}
transition.updateFrame(node: self.commentBackgroundNode, frame: commentBackgroundFrame)
let contentHeight = commentOrigin.y + commentBackgroundFrame.height
self.scrollNode.view.contentSize = CGSize(width: layout.size.width, height: contentHeight)
let isScrollEnabled = contentHeight - scrollFrame.height > 20.0
self.scrollNode.view.isScrollEnabled = isScrollEnabled
self.scrollNode.clipsToBounds = isScrollEnabled
self.commentSeparatorNode.isHidden = !isScrollEnabled
}
}