get wallpapers in order

Pocket Poster/Controllers/CarPlayWallpaper.swift

@@ -0,0 +1,23 @@
+//
+//  CarPlayWallpaper.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/22/25.
+//
+
+import SwiftUI
+
+struct CarPlayWallpaper: Identifiable {
+    var id = UUID()
+    var name: String
+    var lightImage: UIImage
+    var darkImage: UIImage
+    var selectedImageDataLight: Data?
+    var selectedImageDataDark: Data?
+    var changed: Bool
+}
+
+extension CarPlayWallpaper: Reorderable {
+    typealias OrderElement = String
+    var orderElement: OrderElement { name }
+}

Pocket Poster/Controllers/PosterBoardManager.swift

@@ -245,6 +245,39 @@ class PosterBoardManager: ObservableObject {
         return ""
     }
     
+    func getCarPlayWallpaperNames() -> [String]? {
+        dlopen("/System/Library/PrivateFrameworks/CarPlayUIServices.framework/CarPlayUIServices", RTLD_GLOBAL)
+        
+        if #available(iOS 18.0, *) {
+            // iOS 18 method (it got moved)
+            guard let obj = objc_getClass("CRSUISystemWallpaper") as? NSObject else { print("no class"); return nil }
+            
+            if let success = obj.perform(Selector(("wallpapers"))), let arr = success.takeUnretainedValue() as? [NSObject] {
+                var namesList: [String] = []
+                for wp in arr {
+                    if let wpACName = wp.perform(Selector(("wallpaperAssetCatalogName"))), let result = wpACName.takeUnretainedValue() as? String {
+                        namesList.append(result)
+                    }
+                }
+                return namesList
+            }
+        } else {
+            // iOS 17-
+            guard let obj = objc_getClass("CRSUIWallpaperPreferences") as? NSObject else { print("no class"); return nil }
+            if let success = obj.perform(Selector(("availableWallpapers"))), let arr = success.takeUnretainedValue() as? [NSObject] {
+                var namesList: [String] = []
+                for wp in arr {
+                    if let wpACName = wp.perform(Selector(("wallpaperAssetCatalogName"))), let result = wpACName.takeUnretainedValue() as? String {
+                        namesList.append(result)
+                    }
+                }
+                return namesList
+            }
+        }
+        
+        return nil
+    }
+    
     func applyCarPlay(appHash: String, wallpapers: [CarPlayWallpaper]) throws {
         // write the image
         var toRemove: [URL] = []
@@ -270,14 +303,21 @@ class PosterBoardManager: ObservableObject {
         }
         
         // symlink and apply
-        let _ = try SymHandler.createAppSymlink(for: "\(appHash)/Library/Caches/MappedImageCache/com.apple.CarPlayApp.wallpaper-images")
+//        let _ = try SymHandler.createAppSymlink(for: "\(appHash)/Library/Caches/MappedImageCache/com.apple.CarPlayApp.wallpaper-images")
+//        defer {
+//            SymHandler.cleanup()
+//        }
+//        for imgURL in toRemove {
+//            try FileManager.default.trashItem(at: imgURL, resultingItemURL: nil)
+//        }
+//        UserDefaults.standard.set(activeWP, forKey: "ActiveCarPlayWallpapers")
+//        let test = SymHandler.getDocumentsDirectory().appendingPathComponent("Caches")
+//        try Data(count: 0).write(to: test)
+        let hmm = try SymHandler.createAppSymlink(for: "\(appHash)/Library")
         defer {
             SymHandler.cleanup()
         }
-        for imgURL in toRemove {
+        try FileManager.default.removeItem(at: hmm.appendingPathComponent("Caches"))
-            try FileManager.default.trashItem(at: imgURL, resultingItemURL: nil)
-        }
-        UserDefaults.standard.set(activeWP, forKey: "ActiveCarPlayWallpapers")
     }
     
     static func clearCache() throws {

Pocket Poster/Extensions/Reorderable.swift

@@ -0,0 +1,30 @@
+//
+//  Reorderable.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/22/25.
+//
+
+import Foundation
+
+protocol Reorderable {
+    associatedtype OrderElement: Equatable
+    var orderElement: OrderElement { get }
+}
+
+extension Array where Element: Reorderable {
+
+    func reorder(by preferredOrder: [Element.OrderElement]) -> [Element] {
+        sorted {
+            guard let first = preferredOrder.firstIndex(of: $0.orderElement) else {
+                return false
+            }
+
+            guard let second = preferredOrder.firstIndex(of: $1.orderElement) else {
+                return true
+            }
+
+            return first < second
+        }
+    }
+}

Pocket Poster/Localizable.xcstrings

@@ -3421,6 +3421,9 @@
           }
         }
       }
+    },
+    "Failed to fetch CarPlay wallpapers" : {
+
     },
     "Failed to import tendies" : {
       "localizations" : {

Pocket Poster/Views/NavigatorViews/CarPlayView.swift

@@ -8,16 +8,6 @@
 import SwiftUI
 import PhotosUI
 
-struct CarPlayWallpaper: Identifiable {
-    var id = UUID()
-    var name: String
-    var lightImage: UIImage
-    var darkImage: UIImage
-    var selectedImageDataLight: Data?
-    var selectedImageDataDark: Data?
-    var changed: Bool
-}
-
 struct CarPlayView: View {
     @State var wallpapers: [CarPlayWallpaper] = []
     @State var didChange: Bool = false
@@ -128,8 +118,12 @@ struct CarPlayView: View {
                             }
                         }
                     }
+                    // sort them
+                    if let sortedWallpapers = PosterBoardManager.shared.getCarPlayWallpaperNames() {
+                        wallpapers = wallpapers.reorder(by: sortedWallpapers)
+                    }
                 } catch {
-                    print(error.localizedDescription)
+                    UIApplication.shared.alert(body: NSLocalizedString("Failed to fetch CarPlay wallpapers", comment: "") + ":\n\(error.localizedDescription)")
                 }
             }
         }
@@ -178,6 +172,7 @@ struct WallpaperView: View {
                     .stroke(.gray, lineWidth: 2)
             }
             .onChange(of: selectedItem) { newItem in
+                if newItem == nil { return }
                 Task {
                     // Retrieve selected asset in the form of Data
                     if let data = try? await newItem?.loadTransferable(type: Data.self) {
@@ -186,6 +181,7 @@ struct WallpaperView: View {
                         } else {
                             wallpaper.selectedImageDataLight = data
                         }
+                        selectedItem = nil
                         withAnimation {
                             didChange = true
                         }