Tip using Popovers

Tip.swift

//
//  PhotosVC+Tips.swift
//  Find-3
//
//  Created by A. Zheng (github.com/aheze) on 10/4/22.
//  Copyright © 2022 A. Zheng. All rights reserved.
//

import Popovers
import SwiftUI

extension PhotosViewController {
    func showSearchTip() {
        var attributes = Popover.Attributes()
        attributes.sourceFrame = { [weak self] in self?.getSearchBarFrame() ?? .zero }
        attributes.position = .absolute(originAnchor: .bottom, popoverAnchor: .top)
        attributes.sourceFrameInset.top = 100
        attributes.presentation.animation = .linear(duration: 0.3)
        attributes.blocksBackgroundTouches = true
        attributes.blocksBackgroundTouchesAllowedFrames = { [weak self] in
            var frame = self?.getSearchBarFrame() ?? .zero
            frame = frame.inset(by: UIEdgeInsets(top: -16, left: -16, bottom: -16, right: -16))
            return [frame]
        }
        attributes.tag = Identifiers.photosSearchTip
        attributes.onDismiss = { [weak self] in
            guard let self = self else { return }
            self.realmModel.photosSearchTip = true
            self.navigationItem.hidesSearchBarWhenScrolling = true
        }

        let popover = Popover(attributes: attributes) {
            TipMessageView(title: "Tap to search") { [weak self] in
                guard let self = self else { return }

                if let popover = self.popover(tagged: Identifiers.photosSearchTip) {
                    popover.dismiss()
                }

                DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
                    self.searchViewController.searchViewModel.searchController.customSearchBar.becomeFirstResponder()
                }
            }
        } background: { [weak self] in
            Group {
                if let frame = self?.getSearchBarFrame() {
                    TipBackgroundView(originFrame: frame)
                }
            }
        }

        present(popover)
    }

    func getSearchBarFrame() -> CGRect {
        let frame = searchViewController.searchViewModel.customSearchBar.searchTextField.windowFrame()
        return frame
    }
}