From 6a12f2dec8a41a34166c4607aaa1dd27d6abdc66 Mon Sep 17 00:00:00 2001
From: Stanislav Dmitrenko <7953703+avently@users.noreply.github.com>
Date: Mon, 12 Aug 2024 20:57:04 +0000
Subject: [PATCH] ios: fix updating chat wallpaper while app is in background
 (#4661)

---
 apps/ios/Shared/Views/Helpers/ChatWallpaper.swift | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/apps/ios/Shared/Views/Helpers/ChatWallpaper.swift b/apps/ios/Shared/Views/Helpers/ChatWallpaper.swift
index 35bb21354d..9eea278d4e 100644
--- a/apps/ios/Shared/Views/Helpers/ChatWallpaper.swift
+++ b/apps/ios/Shared/Views/Helpers/ChatWallpaper.swift
@@ -11,13 +11,22 @@ import SwiftUI
 import SimpleXChat
 
 struct ChatViewBackground: ViewModifier {
-    @EnvironmentObject var theme: AppTheme
+    @Environment(\.colorScheme) var colorScheme
     var image: Image
     var imageType: WallpaperType
     var background: Color
     var tint: Color
 
     func body(content: Content) -> some View {
+        // Workaround a problem (SwiftUI bug?) when wallpaper is not updated when user changes global theme in iOS settings from dark to light and vice versa
+        if colorScheme == .light {
+            back(content)
+        } else {
+            back(content)
+        }
+    }
+
+    func back(_ content: Content) -> some View {
         content.background(
             Canvas { context, size in
                 var image = context.resolve(image)