Selective app extension removal (#677)

AltStore/Managing Apps/AppExtensionView.swift

@@ -0,0 +1,81 @@
+//
+//  AppExtensionView.swift
+//  SideStore
+//
+//  Created by June P on 8/17/24.
+//  Copyright © 2024 SideStore. All rights reserved.
+//
+
+import SwiftUI
+import CAltSign
+
+extension ALTApplication: Identifiable {}
+
+struct AppExtensionView: View {
+    var extensions: Set<ALTApplication>
+    @State var selection: [ALTApplication] = []
+        
+    var completion: (_ selection: [ALTApplication]) -> Any?
+    
+    var body: some View {
+        NavigationView {
+            List {
+                ForEach(self.extensions.sorted {
+                    $0.bundleIdentifier < $1.bundleIdentifier
+                }, id: \.self) { item in
+                    MultipleSelectionRow(title: item.bundleIdentifier, isSelected: !selection.contains(item)) {
+                        if self.selection.contains(item) {
+                            self.selection.removeAll(where: { $0 == item })
+                        }
+                        else {
+                            self.selection.append(item)
+                        }
+                    }
+                }
+            }
+            .navigationTitle("App Extensions")
+            .onDisappear {
+                _ = completion(selection)
+            }
+        }
+    }
+}
+
+struct MultipleSelectionRow: View {
+    var title: String
+    var isSelected: Bool
+    var action: () -> Void
+
+    var body: some View {
+        SwiftUI.Button(action: self.action) {
+            HStack {
+                Text(self.title)
+                if self.isSelected {
+                    Spacer()
+                    Image(systemName: "checkmark")
+                }
+            }
+        }
+    }
+}
+
+class AppExtensionViewHostingController: UIHostingController<AppExtensionView> {
+    
+    
+    var completion: Optional<(_ selection: [ALTApplication]) -> Any?> = nil
+    
+    required init(extensions: Set<ALTApplication>, completion: @escaping (_ selection: [ALTApplication]) -> Any?) {
+        self.completion = completion
+        super.init(rootView: AppExtensionView(extensions: extensions, completion: completion))
+    }
+    
+    @MainActor required dynamic init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+    }
+}
+
+extension AppExtensionViewHostingController: UIPopoverPresentationControllerDelegate {
+    func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle {
+        return .none
+    }
+}