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HeaderViewController.swift
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HeaderViewController.swift
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//
// HeaderViewController.swift
// Multisig
//
// Created by Dmitry Bespalov on 21.10.20.
// Copyright © 2020 Gnosis Ltd. All rights reserved.
//
import UIKit
/// Header bar will adapt to the devices size
final class HeaderViewController: ContainerViewController {
@IBOutlet private weak var headerBar: UIView!
@IBOutlet private weak var barShadowView: UIImageView!
@IBOutlet private weak var safeBarView: SafeBarView!
@IBOutlet private weak var noSafeBarView: NoSafeBarView!
@IBOutlet private weak var switchSafeButton: UIButton!
@IBOutlet private weak var contentView: UIView!
@IBOutlet private weak var headerBarHeightConstraint: NSLayoutConstraint!
private var rootViewController: UIViewController?
var notificationCenter = NotificationCenter.default
convenience init(rootViewController: UIViewController) {
self.init(namedClass: nil)
self.rootViewController = rootViewController
viewControllers = [rootViewController]
}
override func viewDidLoad() {
super.viewDidLoad()
safeBarView.addTarget(self, action: #selector(didTapSafeBarView(_:)), for: .touchUpInside)
reloadHeaderBar()
displayRootController()
notificationCenter.addObserver(self,
selector: #selector(reloadHeaderBar),
name: .selectedSafeChanged,
object: nil)
headerBarHeightConstraint.constant = ScreenMetrics.safeHeaderHeight
}
private func displayRootController() {
assert(!viewControllers.isEmpty)
displayChild(at: 0, in: contentView)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
navigationController?.navigationBar.isHidden = true
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
navigationController?.navigationBar.isHidden = false
}
@IBAction private func didTapSwitchSafe(_ sender: Any) {
let switchSafesVC = SwitchSafesViewController()
let nav = UINavigationController(rootViewController: switchSafesVC)
present(nav, animated: true)
}
@objc private func didTapSafeBarView(_ sender: Any) {
let vc = SafeInfoViewController(nibName: nil, bundle: nil)
vc.modalPresentationStyle = .overFullScreen
vc.modalTransitionStyle = .crossDissolve
present(vc, animated: true, completion: nil)
}
@objc private func reloadHeaderBar() {
do {
let selectedSafe = try Safe.getSelected()
let hasSafe = selectedSafe != nil
safeBarView.isHidden = !hasSafe
switchSafeButton.isHidden = !hasSafe
noSafeBarView.isHidden = hasSafe
if let safe = selectedSafe {
safeBarView.setAddress(safe.addressValue)
safeBarView.setName(safe.displayName)
}
} catch {
App.shared.snackbar.show(message: "Failed to load selected safe")
LogService.shared.error("Failed to load selected safe: \(error)")
}
}
}