Add bot to chat improvements

submodules/PeerInfoUI/Sources/ChannelAdminAddBotFooterItem.swift

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+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import TelegramPresentationData
+import ItemListUI
+import PresentationDataUtils
+import SolidRoundedButtonNode
+
+final class ChannelAdminAddBotFooterItem: ItemListControllerFooterItem {
+    let theme: PresentationTheme
+    let title: String
+    let action: () -> Void
+    
+    init(theme: PresentationTheme, title: String, action: @escaping () -> Void) {
+        self.theme = theme
+        self.title = title
+        self.action = action
+    }
+    
+    func isEqual(to: ItemListControllerFooterItem) -> Bool {
+        if let item = to as? ChannelAdminAddBotFooterItem {
+            return self.theme === item.theme  && self.title == item.title
+        } else {
+            return false
+        }
+    }
+    
+    func node(current: ItemListControllerFooterItemNode?) -> ItemListControllerFooterItemNode {
+        if let current = current as? ChannelAdminAddBotFooterItemNode {
+            current.item = self
+            return current
+        } else {
+            return ChannelAdminAddBotFooterItemNode(item: self)
+        }
+    }
+}
+
+final class ChannelAdminAddBotFooterItemNode: ItemListControllerFooterItemNode {
+    private let backgroundNode: NavigationBackgroundNode
+    private let separatorNode: ASDisplayNode
+    private let buttonNode: SolidRoundedButtonNode
+    
+    private var validLayout: ContainerViewLayout?
+    
+    var item: ChannelAdminAddBotFooterItem {
+        didSet {
+            self.updateItem()
+            if let layout = self.validLayout {
+                let _ = self.updateLayout(layout: layout, transition: .immediate)
+            }
+        }
+    }
+    
+    init(item: ChannelAdminAddBotFooterItem) {
+        self.item = item
+        
+        self.backgroundNode = NavigationBackgroundNode(color: item.theme.rootController.tabBar.backgroundColor)
+        self.separatorNode = ASDisplayNode()
+        
+        self.buttonNode = SolidRoundedButtonNode(theme: SolidRoundedButtonTheme(backgroundColor: .black, foregroundColor: .white), height: 50.0, cornerRadius: 12.0)
+        
+        super.init()
+        
+        self.addSubnode(self.backgroundNode)
+        self.addSubnode(self.separatorNode)
+        self.addSubnode(self.buttonNode)
+        
+        self.updateItem()
+    }
+    
+    private func updateItem() {
+        self.backgroundNode.updateColor(color: self.item.theme.rootController.tabBar.backgroundColor, transition: .immediate)
+        self.separatorNode.backgroundColor = self.item.theme.rootController.tabBar.separatorColor
+        self.buttonNode.updateTheme(SolidRoundedButtonTheme(backgroundColor: self.item.theme.list.itemCheckColors.fillColor, foregroundColor: self.item.theme.list.itemCheckColors.foregroundColor))
+        self.buttonNode.title = self.item.title
+        
+        self.buttonNode.pressed = { [weak self] in
+            self?.item.action()
+        }
+    }
+    
+    override func updateBackgroundAlpha(_ alpha: CGFloat, transition: ContainedViewLayoutTransition) {
+        transition.updateAlpha(node: self.backgroundNode, alpha: alpha)
+        transition.updateAlpha(node: self.separatorNode, alpha: alpha)
+    }
+    
+    override func updateLayout(layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) -> CGFloat {
+        self.validLayout = layout
+        
+        let buttonInset: CGFloat = 16.0
+        let buttonWidth = layout.size.width - layout.safeInsets.left - layout.safeInsets.right - buttonInset * 2.0
+        let buttonHeight = self.buttonNode.updateLayout(width: buttonWidth, transition: transition)
+        let inset: CGFloat = 9.0
+        
+        let insets = layout.insets(options: [.input])
+        
+        var panelHeight: CGFloat = buttonHeight + inset * 2.0
+        let totalPanelHeight: CGFloat
+        if let inputHeight = layout.inputHeight, inputHeight > 0.0 {
+            totalPanelHeight = panelHeight + insets.bottom
+        } else {
+            panelHeight += insets.bottom
+            totalPanelHeight = panelHeight
+        }
+        
+        let panelFrame = CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - totalPanelHeight), size: CGSize(width: layout.size.width, height: panelHeight))
+        transition.updateFrame(node: self.buttonNode, frame: CGRect(origin: CGPoint(x: layout.safeInsets.left + buttonInset, y: panelFrame.minY + inset), size: CGSize(width: buttonWidth, height: buttonHeight)))
+        
+        transition.updateFrame(node: self.backgroundNode, frame: panelFrame)
+        self.backgroundNode.update(size: panelFrame.size, transition: transition)
+        
+        transition.updateFrame(node: self.separatorNode, frame: CGRect(origin: panelFrame.origin, size: CGSize(width: panelFrame.width, height: UIScreenPixel)))
+        
+        return panelHeight
+    }
+    
+    override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
+        if self.backgroundNode.frame.contains(point) {
+            return true
+        } else {
+            return false
+        }
+    }
+}