Yattee v2 rewrite

Yattee/Views/Toast/ToastOverlayView.swift

@@ -0,0 +1,102 @@
+//
+//  ToastOverlayView.swift
+//  Yattee
+//
+//  Overlay container for displaying toast notifications at the top of the screen.
+//
+
+import SwiftUI
+
+/// Overlay that displays toast notifications at the top of the screen.
+struct ToastOverlayView: View {
+    @Environment(\.appEnvironment) private var appEnvironment
+
+    /// The scope of toasts to display in this overlay.
+    let scope: ToastScope
+
+    private var toastManager: ToastManager? {
+        appEnvironment?.toastManager
+    }
+
+    /// Toasts filtered by scope
+    private var scopedToasts: [Toast] {
+        toastManager?.toasts(for: scope) ?? []
+    }
+
+    var body: some View {
+        VStack(spacing: 8) {
+            ForEach(scopedToasts) { toast in
+                ToastCardView(
+                    toast: toast,
+                    onDismiss: {
+                        toastManager?.dismiss(id: toast.id)
+                    },
+                    onAction: toast.action?.handler
+                )
+                .transition(.move(edge: .top).combined(with: .opacity))
+                #if !os(tvOS)
+                .gesture(swipeGesture(for: toast))
+                #endif
+            }
+        }
+        .padding(.top, topPadding)
+        .padding(.horizontal, 16)
+        .animation(.spring(response: 0.3, dampingFraction: 0.7), value: scopedToasts.count)
+    }
+
+    private var topPadding: CGFloat {
+        #if os(iOS)
+        // In player scope (sheet), only need minimal padding since safe area is handled by sheet
+        // In main scope, account for Dynamic Island / notch
+        return scope == .player ? 8 : 60
+        #elseif os(macOS)
+        return 16
+        #elseif os(tvOS)
+        // TV safe area
+        return 60
+        #endif
+    }
+
+    #if !os(tvOS)
+    private func swipeGesture(for toast: Toast) -> some Gesture {
+        DragGesture()
+            .onEnded { value in
+                // Swipe up to dismiss
+                if value.translation.height < -50 {
+                    toastManager?.dismiss(id: toast.id)
+                }
+            }
+    }
+    #endif
+}
+
+// MARK: - View Extension
+
+extension View {
+    /// Adds a toast overlay for the main window scope.
+    func toastOverlay() -> some View {
+        overlay(alignment: .top) {
+            ToastOverlayView(scope: .main)
+        }
+    }
+
+    /// Adds a toast overlay for the player scope.
+    func playerToastOverlay() -> some View {
+        overlay(alignment: .top) {
+            ToastOverlayView(scope: .player)
+        }
+    }
+}
+
+// MARK: - Preview
+
+#Preview {
+    ZStack {
+        Color.gray.opacity(0.3)
+            .ignoresSafeArea()
+
+        Text("Main Content")
+    }
+    .toastOverlay()
+    .appEnvironment(.preview)
+}