60 lines
1.8 KiB
Swift
60 lines
1.8 KiB
Swift
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// PasscodeLockPresenter.swift
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// PasscodeLock
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//
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// Created by Yanko Dimitrov on 8/29/15.
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// Copyright © 2015 Yanko Dimitrov. All rights reserved.
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//
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import UIKit
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open class PasscodeLockPresenter {
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fileprivate var mainWindow: UIWindow?
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fileprivate lazy var passcodeLockWindow = UIWindow(frame: UIScreen.main.bounds)
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open var isPasscodePresented = false
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open let passcodeLockVC: PasscodeLockViewController
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public init(mainWindow window: UIWindow?, viewController: PasscodeLockViewController) {
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mainWindow = window
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passcodeLockVC = viewController
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}
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public convenience init(mainWindow window: UIWindow?) {
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let passcodeLockVC = PasscodeLockViewController()
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self.init(mainWindow: window, viewController: passcodeLockVC)
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}
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open func present(windowLevel: CGFloat?) {
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guard PasscodeLock.shared.hasPasscode else { return }
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guard !isPasscodePresented else { return }
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isPasscodePresented = true
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mainWindow?.endEditing(true)
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moveWindowsToFront(windowLevel: windowLevel)
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passcodeLockWindow.isHidden = false
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let userDismissCompletionCallback = passcodeLockVC.dismissCompletionCallback
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passcodeLockVC.dismissCompletionCallback = { [weak self] in
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userDismissCompletionCallback?()
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self?.dismiss()
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}
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passcodeLockWindow.rootViewController = passcodeLockVC
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}
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open func dismiss() {
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isPasscodePresented = false
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passcodeLockWindow.isHidden = true
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passcodeLockWindow.rootViewController = nil
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}
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fileprivate func moveWindowsToFront(windowLevel: CGFloat?) {
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let windowLevel = windowLevel ?? UIWindowLevelNormal
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let maxWinLevel = max(windowLevel, UIWindowLevelNormal)
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passcodeLockWindow.windowLevel = maxWinLevel + 1
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}
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}
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