GameControllerTitleView.swift

import Foundation
import UIKit
import AsyncDisplayKit
import Display
import Postbox
import TelegramCore
import SyncCore
import SwiftSignalKit
import TelegramPresentationData

final class GameControllerTitleView: UIView {
    private var theme: PresentationTheme
    
    private let titleNode: ASTextNode
    private let infoNode: ASTextNode
    
    init(theme: PresentationTheme) {
        self.theme = theme
        
        self.titleNode = ASTextNode()
        self.titleNode.displaysAsynchronously = false
        self.titleNode.maximumNumberOfLines = 1
        self.titleNode.truncationMode = .byTruncatingTail
        self.titleNode.isOpaque = false
        
        self.infoNode = ASTextNode()
        self.infoNode.displaysAsynchronously = false
        self.infoNode.maximumNumberOfLines = 1
        self.infoNode.truncationMode = .byTruncatingTail
        self.infoNode.isOpaque = false
        
        super.init(frame: CGRect())
        
        self.addSubnode(self.titleNode)
        self.addSubnode(self.infoNode)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    func set(title: String, subtitle: String) {
        self.titleNode.attributedText = NSAttributedString(string: title, font: Font.medium(17.0), textColor: self.theme.rootController.navigationBar.primaryTextColor)
        self.infoNode.attributedText = NSAttributedString(string: subtitle, font: Font.regular(13.0), textColor: self.theme.rootController.navigationBar.secondaryTextColor)
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        let size = self.bounds.size
        
        if size.height > 40.0 {
            let titleSize = self.titleNode.measure(size)
            let infoSize = self.infoNode.measure(size)
            let titleInfoSpacing: CGFloat = 0.0
            
            let combinedHeight = titleSize.height + infoSize.height + titleInfoSpacing
            
            self.titleNode.frame = CGRect(origin: CGPoint(x: floor((size.width - titleSize.width) / 2.0), y: floor((size.height - combinedHeight) / 2.0)), size: titleSize)
            self.infoNode.frame = CGRect(origin: CGPoint(x: floor((size.width - infoSize.width) / 2.0), y: floor((size.height - combinedHeight) / 2.0) + titleSize.height + titleInfoSpacing), size: infoSize)
        } else {
            let titleSize = self.titleNode.measure(CGSize(width: floor(size.width / 2.0), height: size.height))
            let infoSize = self.infoNode.measure(CGSize(width: floor(size.width / 2.0), height: size.height))
            
            let titleInfoSpacing: CGFloat = 8.0
            let combinedWidth = titleSize.width + infoSize.width + titleInfoSpacing
            
            self.titleNode.frame = CGRect(origin: CGPoint(x: floor((size.width - combinedWidth) / 2.0), y: floor((size.height - titleSize.height) / 2.0)), size: titleSize)
            self.infoNode.frame = CGRect(origin: CGPoint(x: floor((size.width - combinedWidth) / 2.0 + titleSize.width + titleInfoSpacing), y: floor((size.height - infoSize.height) / 2.0)), size: infoSize)
        }
    }
}