//
//  RDReaderPageChildViewController.swift
//  RDReaderDemo
//
//  Created by yangsq on 2021/8/9.
//

import UIKit

class RDReaderPageChildViewController: UIViewController {
    private let contentContainerView = UIView()
    var contentView: UIView? {
        didSet {
            guard isViewLoaded else { return }
            installContentView()
        }
    }
    var pageNum: Int = 0
    init(contentView: UIView?, pageNum: Int = 0) {
        self.contentView = contentView
        self.pageNum = pageNum
        super.init(nibName: nil, bundle: nil)
    }
    
    override func loadView() {
        view = UIView()
        view.backgroundColor = .clear
        contentContainerView.frame = view.bounds
        contentContainerView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
        contentContainerView.backgroundColor = .clear
        view.addSubview(contentContainerView)
        installContentView()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    private func installContentView() {
        contentContainerView.subviews.forEach { $0.removeFromSuperview() }
        guard let contentView else { return }
        contentView.removeFromSuperview()
        contentView.frame = contentContainerView.bounds
        contentView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
        contentContainerView.addSubview(contentView)
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}