Move using stored credentials prompt to the WP.com sign in flow (#23677)

Author: crazytonyli

WordPressAuthenticator/Sources/Signin/LoginPrologueViewController.swift

@@ -32,11 +32,6 @@ class LoginPrologueViewController: LoginViewController {
     private let configuration = WordPressAuthenticator.shared.configuration
     private let style = WordPressAuthenticator.shared.style
 
-    private lazy var storedCredentialsAuthenticator = StoredCredentialsAuthenticator(onCancel: { [weak self] in
-        // Since the authenticator has its own flow
-        self?.tracker.resetState()
-    })
-
     /// We can't rely on `isMovingToParent` to know if we need to track the `.prologue` step
     /// because for the root view in an App, it's always `false`.  We're relying this variiable
     /// instead, since the `.prologue` step only needs to be tracked once.
@@ -116,11 +111,6 @@ class LoginPrologueViewController: LoginViewController {
         } else {
             tracker.set(step: .prologue)
         }
-
-        // Only enable auto fill if WPCom login is available
-        if configuration.enableSiteAddressLoginOnlyInPrologue == false {
-            showiCloudKeychainLoginFlow()
-        }
     }
 
     override func viewWillDisappear(_ animated: Bool) {
@@ -143,19 +133,6 @@ class LoginPrologueViewController: LoginViewController {
         setButtonViewMargins(forWidth: size.width)
     }
 
-    // MARK: - iCloud Keychain Login
-
-    /// Starts the iCloud Keychain login flow if the conditions are given.
-    ///
-    private func showiCloudKeychainLoginFlow() {
-        guard WordPressAuthenticator.shared.configuration.enableUnifiedAuth,
-              let navigationController = navigationController else {
-                  return
-        }
-
-        storedCredentialsAuthenticator.showPicker(from: navigationController)
-    }
-
     private func configureButtonVC() {
         guard configuration.enableUnifiedAuth else {
             buildPrologueButtons()

WordPressAuthenticator/Sources/Unified Auth/View Related/Get Started/GetStartedViewController.swift

@@ -88,6 +88,11 @@ class GetStartedViewController: LoginViewController, NUXKeyboardResponder {
 
     private var passwordCoordinator: PasswordCoordinator?
 
+    private lazy var storedCredentialsAuthenticator = StoredCredentialsAuthenticator(onCancel: { [weak self] in
+        // Since the authenticator has its own flow
+        self?.tracker.resetState()
+    })
+
     /// Sign in with site credentials button will be displayed based on the `screenMode`
     ///
     private var screenMode: ScreenMode {
@@ -181,6 +186,21 @@ class GetStartedViewController: LoginViewController, NUXKeyboardResponder {
             registerForKeyboardEvents(keyboardWillShowAction: #selector(handleKeyboardWillShow(_:)),
                                       keyboardWillHideAction: #selector(handleKeyboardWillHide(_:)))
         }
+
+        if screenMode == .signInUsingWordPressComOrSocialAccounts && isMovingToParent {
+            showiCloudKeychainLoginFlow()
+        }
+    }
+
+    /// Starts the iCloud Keychain login flow if the conditions are given.
+    ///
+    private func showiCloudKeychainLoginFlow() {
+        guard WordPressAuthenticator.shared.configuration.enableUnifiedAuth,
+              let navigationController = navigationController else {
+                  return
+        }
+
+        storedCredentialsAuthenticator.showPicker(from: navigationController)
     }
 
     override func viewWillDisappear(_ animated: Bool) {