image saving feedback (#141)

Rewind/App/AppEntryPoint.swift

@@ -0,0 +1,23 @@
+import SwiftUI
+
+@main
+enum AppEntryPoint {
+  static func main() {
+    #if DEBUG
+    if ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil {
+      UnitTestApp.main()
+      return
+    }
+    #endif
+
+    RewindApp.main()
+  }
+}
+
+#if DEBUG
+private struct UnitTestApp: App {
+  var body: some Scene {
+    WindowGroup {}
+  }
+}
+#endif

Rewind/App/RewindApp.swift

@@ -7,7 +7,6 @@
 
 import SwiftUI
 
-@main
 struct RewindApp: App {
   @UIApplicationDelegateAdaptor(AppDelegate.self)
   var appDelegate

Rewind/Screens/Comparison/ComparisonScreen.swift

@@ -158,68 +158,6 @@ private struct ComparisonViewRepresentable: UIViewControllerRepresentable {
   }
 }
 
-private struct SavedBanner: View {
-  var savesCount: Int
-
-  var body: some View {
-    HStack {
-      Image(systemName: "photo.badge.checkmark")
-      Text("Saved to Photos")
-    }
-    .padding()
-    .blurBackground(in: Capsule())
-    .padding(.top, 5)
-    .modifier(AnimatedTopBanner(trigger: savesCount))
-  }
-}
-
-private struct AnimatedTopBanner<T: Equatable>: ViewModifier {
-  var trigger: T
-
-  enum Phase: CaseIterable {
-    case initial
-    case shown
-    case pause
-    case hidden
-
-    var yOffset: CGFloat {
-      switch self {
-      case .initial, .hidden: -200
-      case .shown: 0
-      case .pause: -5 // 🐞 if values are the same, they get ignored
-      }
-    }
-
-    var opacity: CGFloat {
-      switch self {
-      case .initial, .hidden: 0
-      case .shown, .pause: 1
-      }
-    }
-  }
-
-  func body(content: Content) -> some View {
-    content
-      .phaseAnimator(
-        Phase.allCases,
-        trigger: trigger,
-        content: { content, currentPhase in
-          content
-            .offset(y: currentPhase.yOffset)
-            .opacity(currentPhase.opacity)
-        },
-        animation: { nextPhase in
-          switch nextPhase {
-          case .initial: nil
-          case .shown: .smooth
-          case .pause: .smooth(duration: 2)
-          case .hidden: .smooth
-          }
-        },
-      )
-  }
-}
-
 extension ComparisonState.Style: Identifiable {
   var id: Self { self }
 
@@ -296,20 +234,4 @@ private let shutterButtonSize: CGFloat = 80
   ComparisonScreen(deps: deps)
 }
 
-#Preview("saved banner") {
-  @Previewable @State
-  var savesCount = 0
-
-  ZStack {
-    Image(.cat).resizable().ignoresSafeArea()
-
-    VStack {
-      SavedBanner(savesCount: savesCount)
-      Spacer()
-      Button("Simulate save") {
-        savesCount += 1
-      }.buttonStyle(.borderedProminent)
-    }
-  }
-}
 #endif

Rewind/Screens/ImageDetails/ImageDetailsModel.swift

@@ -41,7 +41,7 @@ struct ImageDetailsState {
 
   var uiImage: UIImage?
   var cachedLowResImage: UIImage?
-  var isImageSaved: Bool
+  var imageSaveCount: Int
   var openSource: String
   var isFavorite: Bool
   var mapOptionsPresented: Bool
@@ -140,7 +140,7 @@ func makeImageDetailsModel(
       details: nil,
       uiImage: nil,
       cachedLowResImage: nil,
-      isImageSaved: false,
+      imageSaveCount: 0,
       openSource: openSource,
       isFavorite: favoriteModel.state.wrappedValue,
       mapOptionsPresented: false,
@@ -384,7 +384,7 @@ func makeImageDetailsModel(
           })
         case .imageSaved:
           UINotificationFeedbackGenerator().notificationOccurred(.success)
-          state.isImageSaved = true
+          state.imageSaveCount += 1
         case let .shareSheetLoaded(vc):
           state.shareVC = Identified(value: vc)
         case let .detailsLoaded(details):
@@ -422,6 +422,10 @@ func makeImageDetailsModel(
   )
 }
 
+extension ImageDetailsState {
+  var isImageSaved: Bool { imageSaveCount > 0 }
+}
+
 func pastVuURL(cid: Int) -> URL? {
   var components = URLComponents()
   components.scheme = "https"

Rewind/Screens/ImageDetails/ImageDetailsView.swift

@@ -61,6 +61,7 @@ struct ImageDetailsView: View {
         content: { identifiedImage in
           ZoomableImageScreen(
             image: identifiedImage.value,
+            savesCount: viewStore.imageSaveCount,
             saveImage: { viewStore(.fullscreenPreview(.saveImage)) },
           )
           .navigationTransition(.zoom(sourceID: TransitionSource.titleImage, in: namespace))

Rewind/Screens/ImageDetails/ZoomableImageScreen.swift

@@ -10,6 +10,7 @@ import UIKit
 
 struct ZoomableImageScreen: View {
   var image: UIImage
+  var savesCount: Int
   var saveImage: () -> Void
 
   @Environment(\.dismiss)
@@ -38,11 +39,15 @@ struct ZoomableImageScreen: View {
         }
       }
 
+      SavedBanner(savesCount: savesCount)
+
       HStack {
         BackButton()
         Spacer()
         OverlayButton(
-          iconName: "square.and.arrow.down",
+          iconName: savesCount > 0
+            ? "square.and.arrow.down.badge.checkmark"
+            : "square.and.arrow.down",
           action: saveImage,
         )
       }
@@ -73,9 +78,13 @@ struct ZoomableImageView: View {
 }
 
 #Preview {
+  @Previewable @State
+  var savesCount = 0
+
   ZoomableImageScreen(
     image: UIImage(named: "cat")!,
-    saveImage: {},
+    savesCount: savesCount,
+    saveImage: { savesCount += 1 },
   )
 }
 

Rewind/Shared/Views/SavedBanner.swift

@@ -0,0 +1,89 @@
+//
+//  SavedBanner.swift
+//  Rewind
+//
+//  Created by Aleksei Sherstnev on 19. 7. 2026.
+//
+
+import SwiftUI
+
+struct SavedBanner: View {
+  var savesCount: Int
+
+  var body: some View {
+    HStack {
+      Image(systemName: "photo.badge.checkmark")
+      Text("Saved to Photos")
+    }
+    .padding()
+    .blurBackground(in: Capsule())
+    .padding(.top, 5)
+    .modifier(AnimatedTopBanner(trigger: savesCount))
+  }
+}
+
+private struct AnimatedTopBanner<T: Equatable>: ViewModifier {
+  var trigger: T
+
+  enum Phase: CaseIterable {
+    case initial
+    case shown
+    case pause
+    case hidden
+
+    var yOffset: CGFloat {
+      switch self {
+      case .initial, .hidden: -200
+      case .shown: 0
+      case .pause: -5 // 🐞 if values are the same, they get ignored
+      }
+    }
+
+    var opacity: CGFloat {
+      switch self {
+      case .initial, .hidden: 0
+      case .shown, .pause: 1
+      }
+    }
+  }
+
+  func body(content: Content) -> some View {
+    content
+      .phaseAnimator(
+        Phase.allCases,
+        trigger: trigger,
+        content: { content, currentPhase in
+          content
+            .offset(y: currentPhase.yOffset)
+            .opacity(currentPhase.opacity)
+        },
+        animation: { nextPhase in
+          switch nextPhase {
+          case .initial: nil
+          case .shown: .smooth
+          case .pause: .smooth(duration: 2)
+          case .hidden: .smooth
+          }
+        },
+      )
+  }
+}
+
+#if DEBUG
+#Preview("saved banner") {
+  @Previewable @State
+  var savesCount = 0
+
+  ZStack {
+    Image(.cat).resizable().ignoresSafeArea()
+
+    VStack {
+      SavedBanner(savesCount: savesCount)
+      Spacer()
+      Button("Simulate save") {
+        savesCount += 1
+      }.buttonStyle(.borderedProminent)
+    }
+  }
+}
+#endif