Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramUI/Components/SuggestedPostApproveAlert/Sources/SuggestedPostApproveAlert.swift

@@ -0,0 +1,440 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Markdown
+import Display
+import TelegramPresentationData
+import ComponentFlow
+import ToastComponent
+import Markdown
+import LottieComponent
+import MultilineTextComponent
+import ComponentDisplayAdapters
+
+private let alertWidth: CGFloat = 270.0
+
+private final class SuggestedPostApproveAlertContentNode: AlertContentNode {
+    private var theme: AlertControllerTheme
+    private let actionLayout: TextAlertContentActionLayout
+    
+    private let titleNode: ImmediateTextNode?
+    private let textNode: ImmediateTextNode
+    
+    private let actionNodesSeparator: ASDisplayNode
+    private let actionNodes: [TextAlertContentActionNode]
+    private let actionVerticalSeparators: [ASDisplayNode]
+    
+    private var validLayout: CGSize?
+    
+    private let _dismissOnOutsideTap: Bool
+    override public var dismissOnOutsideTap: Bool {
+        return self._dismissOnOutsideTap
+    }
+    
+    private var highlightedItemIndex: Int? = nil
+    
+    public var textAttributeAction: (NSAttributedString.Key, (Any) -> Void)? {
+        didSet {
+            if let (attribute, textAttributeAction) = self.textAttributeAction {
+                self.textNode.highlightAttributeAction = { attributes in
+                    if let _ = attributes[attribute] {
+                        return attribute
+                    } else {
+                        return nil
+                    }
+                }
+                self.textNode.tapAttributeAction = { attributes, _ in
+                    if let value = attributes[attribute] {
+                        textAttributeAction(value)
+                    }
+                }
+                self.textNode.linkHighlightColor = self.theme.accentColor.withAlphaComponent(0.5)
+            } else {
+                self.textNode.highlightAttributeAction = nil
+                self.textNode.tapAttributeAction = nil
+            }
+        }
+    }
+    
+    public init(theme: AlertControllerTheme, title: NSAttributedString?, text: NSAttributedString, actions: [TextAlertAction], actionLayout: TextAlertContentActionLayout, dismissOnOutsideTap: Bool, linkAction: (([NSAttributedString.Key: Any], Int) -> Void)? = nil) {
+        self.theme = theme
+        self.actionLayout = actionLayout
+        self._dismissOnOutsideTap = dismissOnOutsideTap
+        if let title = title {
+            let titleNode = ImmediateTextNode()
+            titleNode.attributedText = title
+            titleNode.displaysAsynchronously = false
+            titleNode.isUserInteractionEnabled = false
+            titleNode.maximumNumberOfLines = 4
+            titleNode.truncationType = .end
+            titleNode.isAccessibilityElement = true
+            titleNode.accessibilityLabel = title.string
+            self.titleNode = titleNode
+        } else {
+            self.titleNode = nil
+        }
+        
+        self.textNode = ImmediateTextNode()
+        self.textNode.maximumNumberOfLines = 0
+        self.textNode.attributedText = text
+        self.textNode.displaysAsynchronously = false
+        self.textNode.isLayerBacked = false
+        self.textNode.isAccessibilityElement = true
+        self.textNode.accessibilityLabel = text.string
+        self.textNode.insets = UIEdgeInsets(top: 1.0, left: 1.0, bottom: 1.0, right: 1.0)
+        self.textNode.tapAttributeAction = linkAction
+        self.textNode.highlightAttributeAction = { attributes in
+            if let _ = attributes[NSAttributedString.Key(rawValue: "URL")] {
+                return NSAttributedString.Key(rawValue: "URL")
+            } else {
+                return nil
+            }
+        }
+        self.textNode.linkHighlightColor = theme.accentColor.withMultipliedAlpha(0.1)
+        if text.length != 0 {
+            if let paragraphStyle = text.attribute(.paragraphStyle, at: 0, effectiveRange: nil) as? NSParagraphStyle {
+                self.textNode.textAlignment = paragraphStyle.alignment
+            }
+        }
+        
+        self.actionNodesSeparator = ASDisplayNode()
+        self.actionNodesSeparator.isLayerBacked = true
+        self.actionNodesSeparator.backgroundColor = theme.separatorColor
+        
+        self.actionNodes = actions.map { action -> TextAlertContentActionNode in
+            return TextAlertContentActionNode(theme: theme, action: action)
+        }
+        
+        var actionVerticalSeparators: [ASDisplayNode] = []
+        if actions.count > 1 {
+            for _ in 0 ..< actions.count - 1 {
+                let separatorNode = ASDisplayNode()
+                separatorNode.isLayerBacked = true
+                separatorNode.backgroundColor = theme.separatorColor
+                actionVerticalSeparators.append(separatorNode)
+            }
+        }
+        self.actionVerticalSeparators = actionVerticalSeparators
+        
+        super.init()
+        
+        if let titleNode = self.titleNode {
+            self.addSubnode(titleNode)
+        }
+        self.addSubnode(self.textNode)
+
+        self.addSubnode(self.actionNodesSeparator)
+        
+        var i = 0
+        for actionNode in self.actionNodes {
+            self.addSubnode(actionNode)
+            
+            let index = i
+            actionNode.highlightedUpdated = { [weak self] highlighted in
+                if highlighted {
+                    self?.highlightedItemIndex = index
+                }
+            }
+            i += 1
+        }
+        
+        for separatorNode in self.actionVerticalSeparators {
+            self.addSubnode(separatorNode)
+        }
+    }
+    
+    func setHighlightedItemIndex(_ index: Int?, update: Bool = false) {
+        self.highlightedItemIndex = index
+        
+        if update {
+            var i = 0
+            for actionNode in self.actionNodes {
+                if i == index {
+                    actionNode.setHighlighted(true, animated: false)
+                } else {
+                    actionNode.setHighlighted(false, animated: false)
+                }
+                i += 1
+            }
+        }
+    }
+    
+    override public func decreaseHighlightedIndex() {
+        let currentHighlightedIndex = self.highlightedItemIndex ?? 0
+        
+        self.setHighlightedItemIndex(max(0, currentHighlightedIndex - 1), update: true)
+    }
+    
+    override public func increaseHighlightedIndex() {
+        let currentHighlightedIndex = self.highlightedItemIndex ?? -1
+        
+        self.setHighlightedItemIndex(min(self.actionNodes.count - 1, currentHighlightedIndex + 1), update: true)
+    }
+    
+    override public func performHighlightedAction() {
+        guard let highlightedItemIndex = self.highlightedItemIndex else {
+            return
+        }
+        
+        var i = 0
+        for itemNode in self.actionNodes {
+            if i == highlightedItemIndex {
+                itemNode.performAction()
+                return
+            }
+            i += 1
+        }
+    }
+    
+    override public func updateTheme(_ theme: AlertControllerTheme) {
+        self.theme = theme
+        
+        if let titleNode = self.titleNode, let attributedText = titleNode.attributedText {
+            let updatedText = NSMutableAttributedString(attributedString: attributedText)
+            updatedText.addAttribute(NSAttributedString.Key.foregroundColor, value: theme.primaryColor, range: NSRange(location: 0, length: updatedText.length))
+            titleNode.attributedText = updatedText
+        }
+        if let attributedText = self.textNode.attributedText {
+            let updatedText = NSMutableAttributedString(attributedString: attributedText)
+            updatedText.addAttribute(NSAttributedString.Key.foregroundColor, value: theme.primaryColor, range: NSRange(location: 0, length: updatedText.length))
+            self.textNode.attributedText = updatedText
+        }
+
+        self.actionNodesSeparator.backgroundColor = theme.separatorColor
+        for actionNode in self.actionNodes {
+            actionNode.updateTheme(theme)
+        }
+        for separatorNode in self.actionVerticalSeparators {
+            separatorNode.backgroundColor = theme.separatorColor
+        }
+        
+        if let size = self.validLayout {
+            _ = self.updateLayout(size: size, transition: .immediate)
+        }
+    }
+    
+    override public func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) -> CGSize {
+        self.validLayout = size
+        
+        let insets = UIEdgeInsets(top: 18.0, left: 18.0, bottom: 18.0, right: 18.0)
+        
+        var size = size
+        size.width = min(size.width, alertWidth)
+        
+        var titleSize: CGSize?
+        if let titleNode = self.titleNode {
+            titleSize = titleNode.updateLayout(CGSize(width: size.width - insets.left - insets.right, height: CGFloat.greatestFiniteMagnitude))
+        }
+        let textSize = self.textNode.updateLayout(CGSize(width: size.width - insets.left - insets.right, height: CGFloat.greatestFiniteMagnitude))
+        
+        let actionButtonHeight: CGFloat = 44.0
+        
+        var minActionsWidth: CGFloat = 0.0
+        let maxActionWidth: CGFloat = floor(size.width / CGFloat(self.actionNodes.count))
+        let actionTitleInsets: CGFloat = 8.0
+        
+        var effectiveActionLayout = self.actionLayout
+        for actionNode in self.actionNodes {
+            let actionTitleSize = actionNode.titleNode.updateLayout(CGSize(width: maxActionWidth, height: actionButtonHeight))
+            if case .horizontal = effectiveActionLayout, actionTitleSize.height > actionButtonHeight * 0.6667 {
+                effectiveActionLayout = .vertical
+            }
+            switch effectiveActionLayout {
+                case .horizontal:
+                    minActionsWidth += actionTitleSize.width + actionTitleInsets
+                case .vertical:
+                    minActionsWidth = max(minActionsWidth, actionTitleSize.width + actionTitleInsets)
+            }
+        }
+        
+        let resultSize: CGSize
+        
+        var actionsHeight: CGFloat = 0.0
+        switch effectiveActionLayout {
+            case .horizontal:
+                actionsHeight = actionButtonHeight
+            case .vertical:
+                actionsHeight = actionButtonHeight * CGFloat(self.actionNodes.count)
+        }
+        
+        let contentWidth = alertWidth - insets.left - insets.right
+        if let titleNode = self.titleNode, let titleSize = titleSize {
+            let spacing: CGFloat = 6.0
+            let titleFrame = CGRect(origin: CGPoint(x: insets.left + floor((contentWidth - titleSize.width) / 2.0), y: insets.top), size: titleSize)
+            transition.updateFrame(node: titleNode, frame: titleFrame)
+            
+            let textFrame = CGRect(origin: CGPoint(x: insets.left + floor((contentWidth - textSize.width) / 2.0), y: titleFrame.maxY + spacing), size: textSize)
+            transition.updateFrame(node: self.textNode, frame: textFrame.offsetBy(dx: -1.0, dy: -1.0))
+            
+            resultSize = CGSize(width: contentWidth + insets.left + insets.right, height: titleSize.height + spacing + textSize.height + actionsHeight + insets.top + insets.bottom)
+        } else {
+            let textFrame = CGRect(origin: CGPoint(x: insets.left + floor((contentWidth - textSize.width) / 2.0), y: insets.top), size: textSize)
+            transition.updateFrame(node: self.textNode, frame: textFrame)
+            
+            resultSize = CGSize(width: contentWidth + insets.left + insets.right, height: textSize.height + actionsHeight + insets.top + insets.bottom)
+        }
+        
+        self.actionNodesSeparator.frame = CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel))
+        
+        var actionOffset: CGFloat = 0.0
+        let actionWidth: CGFloat = floor(resultSize.width / CGFloat(self.actionNodes.count))
+        var separatorIndex = -1
+        var nodeIndex = 0
+        for actionNode in self.actionNodes {
+            if separatorIndex >= 0 {
+                let separatorNode = self.actionVerticalSeparators[separatorIndex]
+                switch effectiveActionLayout {
+                    case .horizontal:
+                        transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: actionOffset - UIScreenPixel, y: resultSize.height - actionsHeight), size: CGSize(width: UIScreenPixel, height: actionsHeight - UIScreenPixel)))
+                    case .vertical:
+                        transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel)))
+                }
+            }
+            separatorIndex += 1
+            
+            let currentActionWidth: CGFloat
+            switch effectiveActionLayout {
+                case .horizontal:
+                    if nodeIndex == self.actionNodes.count - 1 {
+                        currentActionWidth = resultSize.width - actionOffset
+                    } else {
+                        currentActionWidth = actionWidth
+                    }
+                case .vertical:
+                    currentActionWidth = resultSize.width
+            }
+            
+            let actionNodeFrame: CGRect
+            switch effectiveActionLayout {
+                case .horizontal:
+                    actionNodeFrame = CGRect(origin: CGPoint(x: actionOffset, y: resultSize.height - actionsHeight), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
+                    actionOffset += currentActionWidth
+                case .vertical:
+                    actionNodeFrame = CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
+                    actionOffset += actionButtonHeight
+            }
+            
+            transition.updateFrame(node: actionNode, frame: actionNodeFrame)
+            
+            nodeIndex += 1
+        }
+        
+        return resultSize
+    }
+}
+
+private final class SuggestedPostAlertImpl: AlertController {
+    private let toastText: String?
+    private var toast: ComponentView<Empty>?
+    
+    init(theme: AlertControllerTheme, contentNode: AlertContentNode, allowInputInset: Bool, toastText: String?) {
+        self.toastText = toastText
+        
+        super.init(theme: theme, contentNode: contentNode, allowInputInset: allowInputInset)
+        
+        self.willDismiss = { [weak self] in
+            guard let self else {
+                return
+            }
+            if let toastView = self.toast?.view {
+                toastView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false)
+            }
+        }
+    }
+    
+    required public init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        if let toastText = self.toastText {
+            let toast: ComponentView<Empty>
+            if let current = self.toast {
+                toast = current
+            } else {
+                toast = ComponentView()
+                self.toast = toast
+            }
+            let body = MarkdownAttributeSet(font: Font.regular(14.0), textColor: .white)
+            let bold = MarkdownAttributeSet(font: Font.semibold(14.0), textColor: .white)
+            let playOnce = ActionSlot<Void>()
+            let toastSize = toast.update(
+                transition: ComponentTransition(transition),
+                component: AnyComponent(ToastContentComponent(
+                    icon: AnyComponent(LottieComponent(
+                        content: LottieComponent.AppBundleContent(name: "anim_infotip"),
+                        startingPosition: .begin,
+                        size: CGSize(width: 32.0, height: 32.0),
+                        playOnce: playOnce
+                    )),
+                    content: AnyComponent(VStack([
+                        AnyComponentWithIdentity(id: 0, component: AnyComponent(MultilineTextComponent(
+                            text: .markdown(text: toastText, attributes: MarkdownAttributes(body: body, bold: bold, link: body, linkAttribute: { _ in nil })),
+                            maximumNumberOfLines: 0
+                        )))
+                    ], alignment: .left, spacing: 6.0)),
+                    insets: UIEdgeInsets(top: 10.0, left: 12.0, bottom: 10.0, right: 10.0),
+                    iconSpacing: 12.0
+                )),
+                environment: {},
+                containerSize: CGSize(width: layout.size.width - layout.safeInsets.left - layout.safeInsets.right - 12.0 * 2.0, height: 1000.0)
+            )
+            let toastFrame = CGRect(origin: CGPoint(x: layout.safeInsets.left + 12.0, y: layout.insets(options: .statusBar).top + 4.0), size: toastSize)
+            if let toastView = toast.view {
+                if toastView.superview == nil {
+                    self.view.addSubview(toastView)
+                    playOnce.invoke(())
+                }
+                transition.updatePosition(layer: toastView.layer, position: toastFrame.center)
+                transition.updateBounds(layer: toastView.layer, bounds: CGRect(origin: CGPoint(), size: toastFrame.size))
+            }
+        }
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        
+        if let toastView = self.toast?.view {
+            toastView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3)
+        }
+    }
+    
+    override func dismissAnimated() {
+        super.dismissAnimated()
+        
+        if let toastView = self.toast?.view {
+            toastView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
+        }
+    }
+}
+
+public func SuggestedPostApproveAlert(presentationData: PresentationData, title: String?, text: String, actions: [TextAlertAction], actionLayout: TextAlertContentActionLayout = .horizontal, allowInputInset: Bool = true, parseMarkdown: Bool = false, dismissOnOutsideTap: Bool = true, linkAction: (([NSAttributedString.Key: Any], Int) -> Void)? = nil, toastText: String?) -> AlertController {
+    let theme = AlertControllerTheme(presentationData: presentationData)
+
+    var dismissImpl: (() -> Void)?
+    let attributedText: NSAttributedString
+    if parseMarkdown {
+        let font = title == nil ? Font.semibold(theme.baseFontSize) : Font.regular(floor(theme.baseFontSize * 13.0 / 17.0))
+        let boldFont = title == nil ? Font.bold(theme.baseFontSize) : Font.semibold(floor(theme.baseFontSize * 13.0 / 17.0))
+        let body = MarkdownAttributeSet(font: font, textColor: theme.primaryColor)
+        let bold = MarkdownAttributeSet(font: boldFont, textColor: theme.primaryColor)
+        let link = MarkdownAttributeSet(font: font, textColor: theme.accentColor)
+        attributedText = parseMarkdownIntoAttributedString(text, attributes: MarkdownAttributes(body: body, bold: bold, link: link, linkAttribute: { url in
+            return ("URL", url)
+        }), textAlignment: .center)
+    } else {
+        attributedText = NSAttributedString(string: text, font: title == nil ? Font.semibold(theme.baseFontSize) : Font.regular(floor(theme.baseFontSize * 13.0 / 17.0)), textColor: theme.primaryColor, paragraphAlignment: .center)
+    }
+    let controller = SuggestedPostAlertImpl(theme: theme, contentNode: TextAlertContentNode(theme: theme, title: title != nil ? NSAttributedString(string: title!, font: Font.semibold(theme.baseFontSize), textColor: theme.primaryColor, paragraphAlignment: .center) : nil, text: attributedText, actions: actions.map { action in
+        return TextAlertAction(type: action.type, title: action.title, action: {
+            dismissImpl?()
+            action.action()
+        })
+    }, actionLayout: actionLayout, dismissOnOutsideTap: dismissOnOutsideTap, linkAction: linkAction), allowInputInset: allowInputInset, toastText: toastText)
+    dismissImpl = { [weak controller] in
+        controller?.dismissAnimated()
+    }
+    return controller
+}