passepartout-apple/Passepartout/App/iOS/Global/Macros.swift

96 lines
3.0 KiB
Swift

//
// Macros.swift
// Passepartout
//
// Created by Davide De Rosa on 6/16/18.
// Copyright (c) 2021 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
import PassepartoutConstants
import PassepartoutCore
extension UIView {
static func get<T: UIView>() -> T {
let name = String(describing: T.self)
let nib = UINib(nibName: name, bundle: nil)
let objects = nib.instantiate(withOwner: nil)
for o in objects {
if let view = o as? T {
return view
}
}
fatalError()
}
}
extension UITableView {
func scrollToRowAsync(at indexPath: IndexPath) {
DispatchQueue.main.async { [weak self] in
self?.scrollToRow(at: indexPath, at: .middle, animated: false)
}
}
func selectRowAsync(at indexPath: IndexPath) {
DispatchQueue.main.async { [weak self] in
self?.selectRow(at: indexPath, animated: false, scrollPosition: .middle)
}
}
}
extension UIColor {
convenience init(rgb: UInt32, alpha: CGFloat) {
let r = CGFloat((rgb & 0xff0000) >> 16) / 255.0
let g = CGFloat((rgb & 0xff00) >> 8) / 255.0
let b = CGFloat(rgb & 0xff) / 255.0
self.init(red: r, green: g, blue: b, alpha: alpha)
}
}
extension UIViewController {
func presentPurchaseScreen(forProduct product: LocalProduct, delegate: PurchaseViewControllerDelegate? = nil) {
let nav = StoryboardScene.Purchase.initialScene.instantiate()
let vc = nav.topViewController as? PurchaseViewController
// vc?.feature = product
vc?.delegate = delegate
// enforce pre iOS 13 behavior
nav.modalPresentationStyle = .fullScreen
present(nav, animated: true, completion: nil)
}
func presentBetaFeatureUnavailable(_ title: String) {
let alert = UIAlertController.asAlert(title, "The requested feature is unavailable in beta.")
alert.addCancelAction("OK")
present(alert, animated: true, completion: nil)
}
}
func visitURL(_ url: URL) {
UIApplication.shared.open(url, options: [:], completionHandler: nil)
}
func delay(_ block: @escaping () -> Void) {
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(500)) {
block()
}
}