Refactor SettingsUI and related modules

submodules/SettingsUI/Sources/Privacy and Security/PrivacyIntroController.swift

@@ -0,0 +1,181 @@
+import Foundation
+import UIKit
+import Display
+import AsyncDisplayKit
+import Postbox
+import SwiftSignalKit
+import TelegramCore
+import TelegramPresentationData
+import AccountContext
+
+enum PrivacyIntroControllerMode {
+    case passcode
+    case twoStepVerification
+    
+    func icon(theme: PresentationTheme) -> UIImage? {
+        switch self {
+            case .passcode:
+                return generateTintedImage(image: UIImage(bundleImageName: "Settings/PasscodeIntroIcon"), color: theme.list.freeTextColor)
+            case .twoStepVerification:
+                return generateTintedImage(image: UIImage(bundleImageName: "Settings/PasswordIntroIcon"), color: theme.list.freeTextColor)
+        }
+    }
+    
+    func controllerTitle(strings: PresentationStrings) -> String {
+        switch self {
+            case .passcode:
+                return strings.PasscodeSettings_Title
+            case .twoStepVerification:
+                return strings.PrivacySettings_TwoStepAuth
+        }
+    }
+    
+    func title(strings: PresentationStrings) -> String {
+        switch self {
+            case .passcode:
+                return strings.PasscodeSettings_Title
+            case .twoStepVerification:
+                return strings.TwoStepAuth_AdditionalPassword
+        }
+    }
+    
+    func text(strings: PresentationStrings) -> String {
+        switch self {
+            case .passcode:
+                return strings.PasscodeSettings_HelpTop
+            case .twoStepVerification:
+                return strings.TwoStepAuth_SetPasswordHelp
+        }
+    }
+    
+    func buttonTitle(strings: PresentationStrings) -> String {
+        switch self {
+        case .passcode:
+            return strings.PasscodeSettings_TurnPasscodeOn
+        case .twoStepVerification:
+            return strings.TwoStepAuth_SetPassword
+        }
+    }
+    
+    func notice(strings: PresentationStrings) -> String {
+        switch self {
+            case .passcode:
+                return strings.PasscodeSettings_HelpBottom
+            case .twoStepVerification:
+                return ""
+        }
+    }
+}
+
+final public class PrivacyIntroControllerPresentationArguments {
+    let fadeIn: Bool
+    let animateIn: Bool
+    
+    public init(fadeIn: Bool = false, animateIn: Bool = false) {
+        self.fadeIn = fadeIn
+        self.animateIn = animateIn
+    }
+}
+
+final class PrivacyIntroController: ViewController {
+    private let context: AccountContext
+    private let mode: PrivacyIntroControllerMode
+    private let arguments: PrivacyIntroControllerPresentationArguments
+    private let proceedAction: () -> Void
+    
+    private var controllerNode: PrivacyIntroControllerNode {
+        return self.displayNode as! PrivacyIntroControllerNode
+    }
+    
+    private var presentationData: PresentationData
+    private var presentationDataDisposable: Disposable?
+    
+    private var isDismissed: Bool = false
+    
+    init(context: AccountContext, mode: PrivacyIntroControllerMode, arguments: PrivacyIntroControllerPresentationArguments = PrivacyIntroControllerPresentationArguments(), proceedAction: @escaping () -> Void) {
+        self.context = context
+        self.mode = mode
+        self.arguments = arguments
+        self.proceedAction = proceedAction
+        
+        self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
+        
+        super.init(navigationBarPresentationData: NavigationBarPresentationData(presentationData: self.presentationData))
+        
+        self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
+        
+        self.title = self.mode.controllerTitle(strings: self.presentationData.strings)
+        
+        if arguments.animateIn {
+            self.navigationItem.setLeftBarButton(UIBarButtonItem(title: self.presentationData.strings.Common_Cancel, style: .plain, target: self, action: #selector(self.cancelPressed)), animated: false)
+        }
+        
+        self.presentationDataDisposable = (context.sharedContext.presentationData
+        |> deliverOnMainQueue).start(next: { [weak self] presentationData in
+            if let strongSelf = self {
+                let previousTheme = strongSelf.presentationData.theme
+                let previousStrings = strongSelf.presentationData.strings
+                
+                strongSelf.presentationData = presentationData
+                
+                if previousTheme !== presentationData.theme || previousStrings !== presentationData.strings {
+                    strongSelf.updateThemeAndStrings()
+                }
+            }
+        })
+    }
+    
+    required public init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    deinit {
+        self.presentationDataDisposable?.dispose()
+    }
+    
+    @objc private func cancelPressed() {
+        self.dismiss()
+    }
+    
+    private func updateThemeAndStrings() {
+        self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
+        self.navigationBar?.updatePresentationData(NavigationBarPresentationData(presentationData: self.presentationData))
+        self.navigationItem.backBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Back, style: .plain, target: nil, action: nil)
+        self.controllerNode.updatePresentationData(self.presentationData)
+    }
+    
+    override public func loadDisplayNode() {
+        self.displayNode = PrivacyIntroControllerNode(context: self.context, mode: self.mode, proceedAction: self.proceedAction)
+        self.displayNodeDidLoad()
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        if self.arguments.animateIn {
+            self.controllerNode.animateIn(slide: true)
+        } else if self.arguments.fadeIn {
+            self.controllerNode.animateIn(slide: false)
+        }
+    }
+    
+    override func dismiss(completion: (() -> Void)? = nil) {
+        if !self.isDismissed {
+            self.isDismissed = true
+            if self.arguments.animateIn {
+                self.controllerNode.animateOut(completion: { [weak self] in
+                    self?.presentingViewController?.dismiss(animated: false, completion: nil)
+                    completion?()
+                })
+            } else {
+                self.presentingViewController?.dismiss(animated: false, completion: nil)
+                completion?()
+            }
+        }
+    }
+    
+    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
+        super.containerLayoutUpdated(layout, transition: transition)
+        
+        self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
+    }
+}