passepartout-apple/Passepartout-iOS/Scenes/About/LabelViewController.swift

89 lines
2.7 KiB
Swift

//
// LabelViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 9/26/18.
// Copyright (c) 2019 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 PassepartoutCore
class LabelViewController: UIViewController {
@IBOutlet private weak var scrollView: UIScrollView?
@IBOutlet private weak var activity: UIActivityIndicatorView?
@IBOutlet private weak var label: UILabel?
var text: String?
var license: AppConstants.License?
override func awakeFromNib() {
super.awakeFromNib()
applyDetailTitle(Theme.current)
}
override func viewDidLoad() {
super.viewDidLoad()
activity?.hidesWhenStopped = true
activity?.applyAccent(Theme.current)
scrollView?.applyPrimaryBackground(Theme.current)
label?.applyLight(Theme.current)
if let license = license {
// try cache first
if let cachedContent = AppConstants.License.cachedContent[license.name] {
label?.text = cachedContent
return
}
label?.text = nil
activity?.startAnimating()
DispatchQueue(label: LabelViewController.description(), qos: .background).async { [weak self] in
let content: String
let couldFetch: Bool
do {
content = try String(contentsOf: license.url)
couldFetch = true
} catch {
content = L10n.Core.Label.License.error
couldFetch = false
}
DispatchQueue.main.async {
self?.label?.text = content
self?.activity?.stopAnimating()
if couldFetch {
AppConstants.License.cachedContent[license.name] = content
}
}
}
} else {
label?.text = text
}
}
}