From 507ae078769c105ab19a9dd7d5aa61039a648844 Mon Sep 17 00:00:00 2001
From: mojganii <mojgan.jelodar@codic.se>
Date: Tue, 22 Oct 2024 09:59:02 +0200
Subject: [PATCH] Fix alpha button override issues in configuration

---
 ios/MullvadVPN/Extensions/UIImage+Helpers.swift |  6 ++++++
 ios/MullvadVPN/Views/AppButton.swift            | 13 ++++++++++---
 ios/MullvadVPN/Views/CustomButton.swift         |  2 +-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/ios/MullvadVPN/Extensions/UIImage+Helpers.swift b/ios/MullvadVPN/Extensions/UIImage+Helpers.swift
index ebf11ea270a4..90d9bc7f88cc 100644
--- a/ios/MullvadVPN/Extensions/UIImage+Helpers.swift
+++ b/ios/MullvadVPN/Extensions/UIImage+Helpers.swift
@@ -26,4 +26,10 @@ extension UIImage {
 
         return resizedImage.withRenderingMode(renderingMode)
     }
+
+    func withAlpha(_ alpha: CGFloat) -> UIImage? {
+        return UIGraphicsImageRenderer(size: size, format: imageRendererFormat).image { _ in
+            draw(in: CGRect(origin: .zero, size: size), blendMode: .normal, alpha: alpha)
+        }
+    }
 }
diff --git a/ios/MullvadVPN/Views/AppButton.swift b/ios/MullvadVPN/Views/AppButton.swift
index 0ce8de9a47e1..022bd97b130b 100644
--- a/ios/MullvadVPN/Views/AppButton.swift
+++ b/ios/MullvadVPN/Views/AppButton.swift
@@ -119,9 +119,10 @@ class AppButton: CustomButton {
                 return updatedAttributeContainer
             }
 
-        let configurationHandler: UIButton.ConfigurationUpdateHandler = { button in
-            button.alpha = !button.isEnabled ? 0.5 : 1.0
+        let configurationHandler: UIButton.ConfigurationUpdateHandler = { [weak self] button in
+            guard let self else { return }
             button.configuration?.baseForegroundColor = button.state.customButtonTitleColor
+            updateButtonBackground()
         }
         configuration = config
         configurationUpdateHandler = configurationHandler
@@ -129,6 +130,12 @@ class AppButton: CustomButton {
 
     /// Set background image based on current style.
     private func updateButtonBackground() {
-        configuration?.background.image = style.backgroundImage
+        if isEnabled {
+            // Load the normal image and set it as the background
+            configuration?.background.image = style.backgroundImage
+        } else {
+            // Adjust the image for the disabled state
+            configuration?.background.image = style.backgroundImage.withAlpha(0.5)
+        }
     }
 }
diff --git a/ios/MullvadVPN/Views/CustomButton.swift b/ios/MullvadVPN/Views/CustomButton.swift
index 8c99ddb2cc6c..a956025f28e2 100644
--- a/ios/MullvadVPN/Views/CustomButton.swift
+++ b/ios/MullvadVPN/Views/CustomButton.swift
@@ -14,7 +14,7 @@ extension UIControl.State {
         case .normal:
             return UIColor.AppButton.normalTitleColor
         case .disabled:
-            return UIColor.AppButton.disabledTitleColor
+            return UIColor.AppButton.disabledTitleColor.withAlphaComponent(0.5)
         case .highlighted:
             return UIColor.AppButton.highlightedTitleColor
         default: