mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
86 lines
3.3 KiB
Swift
86 lines
3.3 KiB
Swift
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#if os(iOS) || os(tvOS)
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import Foundation
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import UIKit
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/** @class AuthDefaultUIDelegate
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@brief Class responsible for providing a default FIRAuthUIDelegate.
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@remarks This class should be used in the case that a UIDelegate was expected and necessary to
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continue a given flow, but none was provided.
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*/
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class AuthDefaultUIDelegate: NSObject, AuthUIDelegate {
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// TODO: Figure out what to do for extensions.
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/** @fn defaultUIDelegate
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@brief Returns a default FIRAuthUIDelegate object.
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@return The default FIRAuthUIDelegate object.
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*/
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@available(iOSApplicationExtension, unavailable)
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@available(tvOSApplicationExtension, unavailable)
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class func defaultUIDelegate() -> AuthUIDelegate? {
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// TODO: Consider removing code below when doing extension testing.
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// iOS App extensions should not call [UIApplication sharedApplication], even if UIApplication
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// responds to it.
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guard let applicationClass = NSClassFromString("UIApplication"),
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applicationClass.responds(to: NSSelectorFromString("sharedApplication")) else {
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return nil
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}
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var topViewController: UIViewController?
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if #available(iOS 13.0, tvOS 13.0, *) {
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let connectedScenes = UIApplication.shared.connectedScenes
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for scene in connectedScenes {
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if let windowScene = scene as? UIWindowScene {
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for window in windowScene.windows {
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if window.isKeyWindow {
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topViewController = window.rootViewController
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}
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}
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}
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}
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} else {
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topViewController = UIApplication.shared.keyWindow?.rootViewController
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}
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while true {
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if let controller = topViewController?.presentedViewController {
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topViewController = controller
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} else if let navController = topViewController as? UINavigationController {
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topViewController = navController.topViewController
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} else if let tabBarController = topViewController as? UITabBarController {
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topViewController = tabBarController.selectedViewController
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} else {
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break
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}
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}
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return AuthDefaultUIDelegate(withViewController: topViewController)
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}
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init(withViewController viewController: UIViewController?) {
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self.viewController = viewController
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}
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func present(_ viewControllerToPresent: UIViewController, animated flag: Bool,
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completion: (() -> Void)? = nil) {
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viewController?.present(viewControllerToPresent, animated: flag, completion: completion)
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}
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func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) {
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viewController?.dismiss(animated: flag, completion: completion)
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}
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private let viewController: UIViewController?
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}
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#endif
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