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Fix brave#1416: Add user onboarding.
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121 changes: 121 additions & 0 deletions
121
Client/Frontend/Browser/Onboarding/OnboardingNavigationController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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| import UIKit | ||
| import Shared | ||
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| private let log = Logger.browserLogger | ||
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| protocol Onboardable: class { | ||
| /// Show next on boarding screen if possible. | ||
| /// If last screen is currently presenting, the view is dimissed instead(onboarding finished). | ||
| func presentNextScreen(current: OnboardingViewController) | ||
| /// Skip all onboarding screens, onboarding is considered as completed. | ||
| func skip() | ||
| } | ||
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| protocol OnboardingControllerDelegate: class { | ||
| func onboardingCompleted(_ onboardingController: OnboardingNavigationController) | ||
| } | ||
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| class OnboardingNavigationController: UINavigationController { | ||
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| private struct UX { | ||
| /// The onboarding screens are showing as a modal on iPads. | ||
| static let preferredModalSize = CGSize(width: 375, height: 667) | ||
| } | ||
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| weak var onboardingDelegate: OnboardingControllerDelegate? | ||
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| enum Screens: CaseIterable { | ||
| case searchEnginePicker | ||
| case shieldsInfo | ||
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| func viewController(with profile: Profile) -> OnboardingViewController { | ||
| switch self { | ||
| case .searchEnginePicker: | ||
| return OnboardingSearchEnginesViewController(profile: profile) | ||
| case .shieldsInfo: | ||
| return OnboardingShieldsViewController(profile: profile) | ||
| } | ||
| } | ||
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| var type: AnyClass { | ||
| switch self { | ||
| case .searchEnginePicker: return OnboardingSearchEnginesViewController.self | ||
| case .shieldsInfo: return OnboardingShieldsViewController.self | ||
| } | ||
| } | ||
| } | ||
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| init?(profile: Profile) { | ||
| guard let firstScreen = Screens.allCases.first else { return nil } | ||
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| let firstViewController = firstScreen.viewController(with: profile) | ||
| super.init(rootViewController: firstViewController) | ||
| firstViewController.delegate = self | ||
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| isNavigationBarHidden = true | ||
| if UIDevice.current.userInterfaceIdiom == .phone { | ||
| modalPresentationStyle = .fullScreen | ||
| } else { | ||
| modalPresentationStyle = .formSheet | ||
| } | ||
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| if #available(iOS 13.0, *) { | ||
| // Prevent dismissing the modal by swipe | ||
| isModalInPresentation = true | ||
| } | ||
| preferredContentSize = UX.preferredModalSize | ||
| } | ||
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| @available(*, unavailable) | ||
| required init(coder: NSCoder) { fatalError() } | ||
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| override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) { | ||
| super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil) | ||
| } | ||
| } | ||
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| extension OnboardingNavigationController: Onboardable { | ||
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| func presentNextScreen(current: OnboardingViewController) { | ||
| let allScreens = Screens.allCases | ||
| let index = allScreens.map { $0.type }.firstIndex(where: { $0 == type(of: current) }) | ||
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| guard let nextIndex = index?.advanced(by: 1), | ||
| let nextScreen = allScreens[safe: nextIndex]?.viewController(with: current.profile) else { | ||
| log.info("Last screen reached, onboarding is complete") | ||
| onboardingDelegate?.onboardingCompleted(self) | ||
| return | ||
| } | ||
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| nextScreen.delegate = self | ||
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| pushViewController(nextScreen, animated: true) | ||
| } | ||
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| func skip() { | ||
| onboardingDelegate?.onboardingCompleted(self) | ||
| } | ||
| } | ||
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| // Disabling orientation changes | ||
| extension OnboardingNavigationController { | ||
| override var preferredStatusBarStyle: UIStatusBarStyle { | ||
| return .default | ||
| } | ||
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| override var supportedInterfaceOrientations: UIInterfaceOrientationMask { | ||
| return .portrait | ||
| } | ||
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| override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation { | ||
| return .portrait | ||
| } | ||
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| override var shouldAutorotate: Bool { | ||
| return false | ||
| } | ||
| } |
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