From ec6f4c870d4d549586dedb6171ac687b68210f56 Mon Sep 17 00:00:00 2001
From: Marceau TONELLI <marceau.tonelli@gmail.com>
Date: Thu, 19 Dec 2024 16:26:22 +0100
Subject: [PATCH] Refactor FXIOS-10205 [Swiftlint] Resolve 3
 implicitly_unwrapped_optional violations in Client/Extensions (#23893)

* Resolve implicitly_unwrapped_optional violations in ShareViewController

* Resolve implicitly_unwrapped_optional violations in EmbeddedNavController
---
 .../ShareTo/EmbeddedNavController.swift       |  2 +-
 .../ShareTo/ShareViewController.swift         | 20 +++++++++++--------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/firefox-ios/Extensions/ShareTo/EmbeddedNavController.swift b/firefox-ios/Extensions/ShareTo/EmbeddedNavController.swift
index 388b6544ae88..832d0160736d 100644
--- a/firefox-ios/Extensions/ShareTo/EmbeddedNavController.swift
+++ b/firefox-ios/Extensions/ShareTo/EmbeddedNavController.swift
@@ -11,7 +11,7 @@ class EmbeddedNavController {
     weak var parent: UIViewController?
     var controllers = [UIViewController]()
     var navigationController: UINavigationController
-    var heightConstraint: NSLayoutConstraint!
+    var heightConstraint: NSLayoutConstraint
     let isSearchMode: Bool
 
     init(isSearchMode: Bool, parent: UIViewController, rootViewController: UIViewController) {
diff --git a/firefox-ios/Extensions/ShareTo/ShareViewController.swift b/firefox-ios/Extensions/ShareTo/ShareViewController.swift
index a2040324465e..9af22b74ce17 100644
--- a/firefox-ios/Extensions/ShareTo/ShareViewController.swift
+++ b/firefox-ios/Extensions/ShareTo/ShareViewController.swift
@@ -70,9 +70,9 @@ func addAppExtensionTelemetryEvent(forMethod method: String) {
 class ShareViewController: UIViewController {
     var shareItem: ExtensionUtils.ExtractedShareItem?
     private var viewsShownDuringDoneAnimation = [UIView]()
-    private var stackView: UIStackView!
+    private var stackView: UIStackView?
     private var spinner: UIActivityIndicatorView?
-    private var actionDoneRow: (row: UIStackView, label: UILabel)!
+    private var actionDoneRow: (row: UIStackView, label: UILabel)?
     private var sendToDevice: SendToDevice?
     private var pageInfoHeight: NSLayoutConstraint?
     private var actionRowHeights = [NSLayoutConstraint]()
@@ -135,6 +135,8 @@ class ShareViewController: UIViewController {
     }
 
     private func setupRows() {
+        guard let stackView else { return }
+
         let theme = currentTheme()
         let pageInfoRow = makePageInfoRow(addTo: stackView)
         pageInfoRowTitleLabel = pageInfoRow.titleLabel
@@ -199,11 +201,12 @@ class ShareViewController: UIViewController {
         // done state, without this space, the page info label moves down slightly.
         footerSpaceRow.heightAnchor.constraint(greaterThanOrEqualToConstant: 0).isActive = true
 
-        actionDoneRow = makeActionDoneRow(addTo: stackView)
+        let actionDoneRow = makeActionDoneRow(addTo: stackView)
         // Fully constructing and pre-adding as a subview ensures that only the show operation will animate
         // during the UIView.animate(), and other animatable properties will not unexpectedly animate because
         // they are modified in the same event loop as the animation.
         actionDoneRow.row.isHidden = true
+        self.actionDoneRow = actionDoneRow
 
         // All other views are hidden for the done animation.
         viewsShownDuringDoneAnimation += [pageInfoRow.row, footerSpaceRow, actionDoneRow.row]
@@ -338,11 +341,11 @@ class ShareViewController: UIViewController {
             equalToConstant: CGFloat(UX.viewHeightForDoneState)
         ).isActive = true
 
-        actionDoneRow.label.text = title
+        actionDoneRow?.label.text = title
 
         UIView.animate(withDuration: UX.doneDialogAnimationDuration) {
-            self.actionDoneRow.row.isHidden = false
-            self.stackView.arrangedSubviews
+            self.actionDoneRow?.row.isHidden = false
+            self.stackView?.arrangedSubviews
                 .filter { !self.viewsShownDuringDoneAnimation.contains($0) }
                 .forEach { $0.removeFromSuperview() }
 
@@ -406,7 +409,7 @@ class ShareViewController: UIViewController {
     }
 
     private func setupStackView() {
-        stackView = UIStackView()
+        let stackView = UIStackView()
         stackView.axis = .vertical
         stackView.spacing = 4
         stackView.translatesAutoresizingMaskIntoConstraints = false
@@ -416,7 +419,8 @@ class ShareViewController: UIViewController {
             stackView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
             stackView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
             stackView.trailingAnchor.constraint(equalTo: view.trailingAnchor)
-         ])
+        ])
+        self.stackView = stackView
     }
 
     private func showProgressIndicator() {