Live location improvements

submodules/LocationUI/Sources/LocationDistancePickerScreen.swift

@@ -0,0 +1,499 @@
+import Foundation
+import UIKit
+import Display
+import AsyncDisplayKit
+import Postbox
+import TelegramCore
+import SyncCore
+import SwiftSignalKit
+import AccountContext
+import SolidRoundedButtonNode
+import TelegramPresentationData
+import PresentationDataUtils
+import CoreLocation
+
+enum LocationDistancePickerScreenStyle {
+    case `default`
+    case media
+}
+
+final class LocationDistancePickerScreen: ViewController {
+    private var controllerNode: LocationDistancePickerScreenNode {
+        return self.displayNode as! LocationDistancePickerScreenNode
+    }
+    
+    private var animatedIn = false
+    
+    private let context: AccountContext
+    private let style: LocationDistancePickerScreenStyle
+    private let currentDistance: Double?
+    private let updated: (Int32?) -> Void
+    private let completion: (Int32?) -> Void
+    
+    private var presentationDataDisposable: Disposable?
+    
+    init(context: AccountContext, style: LocationDistancePickerScreenStyle, currentDistance: Double?, updated: @escaping (Int32?) -> Void, completion: @escaping (Int32?) -> Void) {
+        self.context = context
+        self.style = style
+        self.currentDistance = currentDistance
+        self.updated = updated
+        self.completion = completion
+        
+        super.init(navigationBarPresentationData: nil)
+        
+        self.statusBar.statusBarStyle = .Ignore
+        
+        self.blocksBackgroundWhenInOverlay = true
+        
+        self.presentationDataDisposable = (context.sharedContext.presentationData
+        |> deliverOnMainQueue).start(next: { [weak self] presentationData in
+            if let strongSelf = self {
+                strongSelf.controllerNode.updatePresentationData(presentationData)
+            }
+        })
+        
+        self.statusBar.statusBarStyle = .Ignore
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    deinit {
+        self.presentationDataDisposable?.dispose()
+    }
+    
+    override public func loadDisplayNode() {
+        self.displayNode = LocationDistancePickerScreenNode(context: self.context, style: self.style, currentDistance: self.currentDistance)
+        self.controllerNode.updated = { [weak self] distance in
+            guard let strongSelf = self else {
+                return
+            }
+            strongSelf.updated(distance)
+        }
+        self.controllerNode.completion = { [weak self] distance in
+            guard let strongSelf = self else {
+                return
+            }
+            strongSelf.completion(distance)
+            strongSelf.dismiss()
+        }
+        self.controllerNode.dismiss = { [weak self] in
+            self?.updated(nil)
+            self?.presentingViewController?.dismiss(animated: false, completion: nil)
+        }
+        self.controllerNode.cancel = { [weak self] in
+            self?.dismiss()
+        }
+    }
+    
+    override public func loadView() {
+        super.loadView()
+    }
+    
+    override public func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        
+        if !self.animatedIn {
+            self.animatedIn = true
+            self.controllerNode.animateIn()
+        }
+    }
+    
+    override public func dismiss(completion: (() -> Void)? = nil) {
+        self.controllerNode.animateOut(completion: completion)
+    }
+    
+    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
+    }
+}
+
+private class TimerPickerView: UIPickerView {
+    var selectorColor: UIColor? = nil {
+        didSet {
+            for subview in self.subviews {
+                if subview.bounds.height <= 1.0 {
+                    subview.backgroundColor = self.selectorColor
+                }
+            }
+        }
+    }
+    
+    override func didAddSubview(_ subview: UIView) {
+        super.didAddSubview(subview)
+        
+        if let selectorColor = self.selectorColor {
+            if subview.bounds.height <= 1.0 {
+                subview.backgroundColor = selectorColor
+            }
+        }
+    }
+    
+    override func didMoveToWindow() {
+        super.didMoveToWindow()
+        
+        if let selectorColor = self.selectorColor {
+            for subview in self.subviews {
+                if subview.bounds.height <= 1.0 {
+                    subview.backgroundColor = selectorColor
+                }
+            }
+        }
+    }
+}
+
+private var timerValues: [Int32] = {
+    var values: [Int32] = []
+    for i in 0 ..< 99 {
+        values.append(Int32(i))
+    }
+    return values
+}()
+
+private var smallerTimerValues: [Int32] = {
+    var values: [Int32] = []
+    for i in 0 ..< 100 {
+        values.append(Int32(i))
+    }
+    return values
+}()
+
+class LocationDistancePickerScreenNode: ViewControllerTracingNode, UIScrollViewDelegate, UIPickerViewDataSource, UIPickerViewDelegate {
+    private let context: AccountContext
+    private let controllerStyle: LocationDistancePickerScreenStyle
+    private var presentationData: PresentationData
+    private let currentDistance: Double?
+    
+    private let dimNode: ASDisplayNode
+    private let wrappingScrollNode: ASScrollNode
+    private let contentContainerNode: ASDisplayNode
+    private let effectNode: ASDisplayNode
+    private let backgroundNode: ASDisplayNode
+    private let contentBackgroundNode: ASDisplayNode
+    private let titleNode: ASTextNode
+    private let textNode: ImmediateTextNode
+    private let cancelButton: HighlightableButtonNode
+    private let doneButton: SolidRoundedButtonNode
+    
+    private var pickerView: TimerPickerView?
+    
+    private var containerLayout: (ContainerViewLayout, CGFloat)?
+    
+    var updated: ((Int32) -> Void)?
+    var completion: ((Int32) -> Void)?
+    var dismiss: (() -> Void)?
+    var cancel: (() -> Void)?
+    
+    init(context: AccountContext, style: LocationDistancePickerScreenStyle, currentDistance: Double?) {
+        self.context = context
+        self.controllerStyle = style
+        self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        self.currentDistance = currentDistance
+        
+        self.wrappingScrollNode = ASScrollNode()
+        self.wrappingScrollNode.view.alwaysBounceVertical = true
+        self.wrappingScrollNode.view.delaysContentTouches = false
+        self.wrappingScrollNode.view.canCancelContentTouches = true
+        
+        self.dimNode = ASDisplayNode()
+//        self.dimNode.backgroundColor = UIColor(white: 0.0, alpha: 0.5)
+        
+        self.contentContainerNode = ASDisplayNode()
+        self.contentContainerNode.isOpaque = false
+
+        self.backgroundNode = ASDisplayNode()
+        self.backgroundNode.clipsToBounds = true
+        self.backgroundNode.cornerRadius = 16.0
+        
+        let backgroundColor: UIColor
+        let textColor: UIColor
+        let accentColor: UIColor
+        let blurStyle: UIBlurEffect.Style
+        switch style {
+            case .default:
+                backgroundColor = self.presentationData.theme.actionSheet.itemBackgroundColor
+                textColor = self.presentationData.theme.actionSheet.primaryTextColor
+                accentColor = self.presentationData.theme.actionSheet.controlAccentColor
+                blurStyle = self.presentationData.theme.actionSheet.backgroundType == .light ? .light : .dark
+            case .media:
+                backgroundColor = UIColor(rgb: 0x1c1c1e)
+                textColor = .white
+                accentColor = self.presentationData.theme.actionSheet.controlAccentColor
+                blurStyle = .dark
+        }
+        
+        self.effectNode = ASDisplayNode(viewBlock: {
+            return UIVisualEffectView(effect: UIBlurEffect(style: blurStyle))
+        })
+        
+        self.contentBackgroundNode = ASDisplayNode()
+        self.contentBackgroundNode.backgroundColor = backgroundColor
+        
+        let title = "Notification"
+        self.titleNode = ASTextNode()
+        self.titleNode.attributedText = NSAttributedString(string: title, font: Font.bold(17.0), textColor: textColor)
+        
+        self.textNode = ImmediateTextNode()
+        
+        self.cancelButton = HighlightableButtonNode()
+        self.cancelButton.setTitle(self.presentationData.strings.Common_Cancel, with: Font.regular(17.0), with: accentColor, for: .normal)
+        
+        self.doneButton = SolidRoundedButtonNode(theme: SolidRoundedButtonTheme(theme: self.presentationData.theme), height: 52.0, cornerRadius: 11.0, gloss: false)
+        self.doneButton.title = self.presentationData.strings.Conversation_Timer_Send
+        
+        super.init()
+        
+        self.backgroundColor = nil
+        self.isOpaque = false
+        
+        self.dimNode.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
+        self.addSubnode(self.dimNode)
+        
+        self.wrappingScrollNode.view.delegate = self
+        self.addSubnode(self.wrappingScrollNode)
+        
+        self.wrappingScrollNode.addSubnode(self.backgroundNode)
+        self.wrappingScrollNode.addSubnode(self.contentContainerNode)
+        
+        self.backgroundNode.addSubnode(self.effectNode)
+        self.backgroundNode.addSubnode(self.contentBackgroundNode)
+        self.contentContainerNode.addSubnode(self.titleNode)
+        self.contentContainerNode.addSubnode(self.textNode)
+        self.contentContainerNode.addSubnode(self.cancelButton)
+        self.contentContainerNode.addSubnode(self.doneButton)
+        
+        self.cancelButton.addTarget(self, action: #selector(self.cancelButtonPressed), forControlEvents: .touchUpInside)
+        self.doneButton.pressed = { [weak self] in
+            if let strongSelf = self, let pickerView = strongSelf.pickerView {
+                strongSelf.doneButton.isUserInteractionEnabled = false
+                
+                let largeValue = timerValues[pickerView.selectedRow(inComponent: 0)]
+                let smallValue = smallerTimerValues[pickerView.selectedRow(inComponent: 1)]
+                var value = largeValue * 1000 + smallValue * 10
+                value = Int32(Double(value) * 1.60934)
+                strongSelf.completion?(value)
+            }
+        }
+        
+        self.setupPickerView()
+    
+        Queue.mainQueue().after(0.5) {
+            self.updateDoneButtonTitle()
+        }
+    }
+    
+    func setupPickerView() {
+        if let pickerView = self.pickerView {
+            pickerView.removeFromSuperview()
+        }
+        
+        let pickerView = TimerPickerView()
+        pickerView.selectorColor = UIColor(rgb: 0xffffff, alpha: 0.18)
+        pickerView.dataSource = self
+        pickerView.delegate = self
+        pickerView.selectRow(0, inComponent: 0, animated: false)
+        pickerView.selectRow(30, inComponent: 1, animated: false)
+        
+        self.contentContainerNode.view.addSubview(pickerView)
+        self.pickerView = pickerView
+        
+        self.updateDoneButtonTitle()
+    }
+    
+    func numberOfComponents(in pickerView: UIPickerView) -> Int {
+        return 2
+    }
+    
+    private func updateDoneButtonTitle() {
+        if let pickerView = self.pickerView {
+            let largeValue = timerValues[pickerView.selectedRow(inComponent: 0)]
+            let smallValue = smallerTimerValues[pickerView.selectedRow(inComponent: 1)]
+            
+            var value = largeValue * 1000 + smallValue * 10
+            value = Int32(Double(value) * 1.60934)
+            let distance = stringForDistance(strings: context.sharedContext.currentPresentationData.with { $0 }.strings, distance: CLLocationDistance(value))
+            
+            self.updated?(value)
+            self.doneButton.title = "Notify me within \(distance)"
+            
+            if let currentDistance = self.currentDistance, value > Int32(currentDistance) {
+                self.doneButton.alpha = 0.4
+                self.doneButton.isUserInteractionEnabled = false
+            } else {
+                self.doneButton.alpha = 1.0
+                self.doneButton.isUserInteractionEnabled = true
+            }
+        }
+    }
+    
+    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
+        self.updateDoneButtonTitle()
+    }
+    
+    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
+        if component == 0 {
+            return timerValues.count
+        } else if component == 1 {
+            return smallerTimerValues.count
+        } else {
+            return 1
+        }
+    }
+    
+    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
+        if component == 0 {
+            let value = timerValues[row]
+            return "\(value)"
+        } else if component == 1 {
+            let value = String(format: "%.2d", smallerTimerValues[row])
+            return ".\(value)"
+        } else {
+            return "MI"
+        }
+    }
+    
+    func updatePresentationData(_ presentationData: PresentationData) {
+        let previousTheme = self.presentationData.theme
+        self.presentationData = presentationData
+        
+        guard case .default = self.controllerStyle else {
+            return
+        }
+        
+        if let effectView = self.effectNode.view as? UIVisualEffectView {
+            effectView.effect = UIBlurEffect(style: presentationData.theme.actionSheet.backgroundType == .light ? .light : .dark)
+        }
+        
+        self.contentBackgroundNode.backgroundColor = self.presentationData.theme.actionSheet.itemBackgroundColor
+        self.titleNode.attributedText = NSAttributedString(string: self.titleNode.attributedText?.string ?? "", font: Font.bold(17.0), textColor: self.presentationData.theme.actionSheet.primaryTextColor)
+        
+        if previousTheme !== presentationData.theme, let (layout, navigationBarHeight) = self.containerLayout {
+            self.setupPickerView()
+            self.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: .immediate)
+        }
+        
+        self.cancelButton.setTitle(self.presentationData.strings.Common_Cancel, with: Font.regular(17.0), with: self.presentationData.theme.actionSheet.controlAccentColor, for: .normal)
+        self.doneButton.updateTheme(SolidRoundedButtonTheme(theme: self.presentationData.theme))
+    }
+        
+    override func didLoad() {
+        super.didLoad()
+        
+        if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
+            self.wrappingScrollNode.view.contentInsetAdjustmentBehavior = .never
+        }
+    }
+    
+    @objc func cancelButtonPressed() {
+        self.cancel?()
+    }
+    
+    @objc func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
+        if case .ended = recognizer.state {
+            self.cancelButtonPressed()
+        }
+    }
+    
+    func animateIn() {
+        self.dimNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
+        
+        let offset = self.bounds.size.height - self.contentBackgroundNode.frame.minY
+        
+        let dimPosition = self.dimNode.layer.position
+        self.dimNode.layer.animatePosition(from: CGPoint(x: dimPosition.x, y: dimPosition.y - offset), to: dimPosition, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring)
+        self.layer.animateBoundsOriginYAdditive(from: -offset, to: 0.0, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring)
+    }
+    
+    func animateOut(completion: (() -> Void)? = nil) {
+        var dimCompleted = false
+        var offsetCompleted = false
+        
+        let internalCompletion: () -> Void = { [weak self] in
+            if let strongSelf = self, dimCompleted && offsetCompleted {
+                strongSelf.dismiss?()
+            }
+            completion?()
+        }
+        
+        self.dimNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { _ in
+            dimCompleted = true
+            internalCompletion()
+        })
+        
+        let offset = self.bounds.size.height - self.contentBackgroundNode.frame.minY
+        let dimPosition = self.dimNode.layer.position
+        self.dimNode.layer.animatePosition(from: dimPosition, to: CGPoint(x: dimPosition.x, y: dimPosition.y - offset), duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
+        self.layer.animateBoundsOriginYAdditive(from: 0.0, to: -offset, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
+            offsetCompleted = true
+            internalCompletion()
+        })
+    }
+    
+    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+        if self.bounds.contains(point) {
+            if !self.contentBackgroundNode.bounds.contains(self.convert(point, to: self.contentBackgroundNode)) {
+                return self.dimNode.view
+            }
+        }
+        return super.hitTest(point, with: event)
+    }
+    
+    func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
+        let contentOffset = scrollView.contentOffset
+        let additionalTopHeight = max(0.0, -contentOffset.y)
+        
+        if additionalTopHeight >= 30.0 {
+            self.cancelButtonPressed()
+        }
+    }
+    
+    func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
+        self.containerLayout = (layout, navigationBarHeight)
+        
+        var insets = layout.insets(options: [.statusBar, .input])
+        let cleanInsets = layout.insets(options: [.statusBar])
+        insets.top = max(10.0, insets.top)
+        
+        let buttonOffset: CGFloat = 0.0
+        let bottomInset: CGFloat = 10.0 + cleanInsets.bottom
+        let titleHeight: CGFloat = 54.0
+        var contentHeight = titleHeight + bottomInset + 52.0 + 17.0
+        let pickerHeight: CGFloat = min(216.0, layout.size.height - contentHeight)
+        contentHeight = titleHeight + bottomInset + 52.0 + 17.0 + pickerHeight + buttonOffset
+        
+        let width = horizontalContainerFillingSizeForLayout(layout: layout, sideInset: layout.safeInsets.left)
+        
+        let sideInset = floor((layout.size.width - width) / 2.0)
+        let contentContainerFrame = CGRect(origin: CGPoint(x: sideInset, y: layout.size.height - contentHeight), size: CGSize(width: width, height: contentHeight))
+        let contentFrame = contentContainerFrame
+        
+        var backgroundFrame = CGRect(origin: CGPoint(x: contentFrame.minX, y: contentFrame.minY), size: CGSize(width: contentFrame.width, height: contentFrame.height + 2000.0))
+        if backgroundFrame.minY < contentFrame.minY {
+            backgroundFrame.origin.y = contentFrame.minY
+        }
+        transition.updateFrame(node: self.backgroundNode, frame: backgroundFrame)
+        transition.updateFrame(node: self.effectNode, frame: CGRect(origin: CGPoint(), size: backgroundFrame.size))
+        transition.updateFrame(node: self.contentBackgroundNode, frame: CGRect(origin: CGPoint(), size: backgroundFrame.size))
+        transition.updateFrame(node: self.wrappingScrollNode, frame: CGRect(origin: CGPoint(), size: layout.size))
+        transition.updateFrame(node: self.dimNode, frame: CGRect(origin: CGPoint(), size: layout.size))
+        
+        let titleSize = self.titleNode.measure(CGSize(width: width, height: titleHeight))
+        let titleFrame = CGRect(origin: CGPoint(x: floor((contentFrame.width - titleSize.width) / 2.0), y: 16.0), size: titleSize)
+        transition.updateFrame(node: self.titleNode, frame: titleFrame)
+        
+        let cancelSize = self.cancelButton.measure(CGSize(width: width, height: titleHeight))
+        let cancelFrame = CGRect(origin: CGPoint(x: 16.0, y: 16.0), size: cancelSize)
+        transition.updateFrame(node: self.cancelButton, frame: cancelFrame)
+        
+        let buttonInset: CGFloat = 16.0
+        let doneButtonHeight = self.doneButton.updateLayout(width: contentFrame.width - buttonInset * 2.0, transition: transition)
+        transition.updateFrame(node: self.doneButton, frame: CGRect(x: buttonInset, y: contentHeight - doneButtonHeight - insets.bottom - 16.0 - buttonOffset, width: contentFrame.width, height: doneButtonHeight))
+        
+        self.pickerView?.frame = CGRect(origin: CGPoint(x: 0.0, y: 54.0), size: CGSize(width: contentFrame.width, height: pickerHeight))
+        
+        transition.updateFrame(node: self.contentContainerNode, frame: contentContainerFrame)
+    }
+}