feat: SwiftUI view modifier

Sources/NotificationToast/ToastView+SwiftUI.swift

@@ -0,0 +1,90 @@
+//
+//  ToastView+SwiftUI.swift
+//  NotificationToast
+//
+//  Created by Philippe Weidmann on 20.01.2025.
+//
+
+import Foundation
+import SwiftUI
+
+@available(iOS 14.0, *)
+public extension View {
+    func toast(
+        isPresented: Binding<Bool>,
+        title: String,
+        titleFont: UIFont = .systemFont(ofSize: 13, weight: .regular),
+        subtitle: String? = nil,
+        subtitleFont: UIFont = .systemFont(ofSize: 11, weight: .light),
+        icon: UIImage? = nil,
+        iconSpacing: CGFloat = 16,
+        position: ToastView.Position = .top,
+        haptic: UINotificationFeedbackGenerator.FeedbackType? = nil,
+        onTap: (() -> Void)? = nil
+    ) -> some View {
+        modifier(
+            ToastViewModifier(
+                isPresented: isPresented,
+                title: title,
+                titleFont: titleFont,
+                subtitle: subtitle,
+                subtitleFont: subtitleFont,
+                icon: icon,
+                iconSpacing: iconSpacing,
+                position: position,
+                haptic: haptic,
+                onTap: onTap
+            )
+        )
+    }
+}
+
+@available(iOS 14.0, *)
+struct ToastViewModifier: ViewModifier {
+    @State private var toastView: ToastView?
+    @Binding var isPresented: Bool
+
+    let title: String
+    var titleFont: UIFont = .systemFont(ofSize: 13, weight: .regular)
+    let subtitle: String?
+    var subtitleFont: UIFont = .systemFont(ofSize: 11, weight: .light)
+    let icon: UIImage?
+    var iconSpacing: CGFloat = 16
+    var position: ToastView.Position = .top
+    var haptic: UINotificationFeedbackGenerator.FeedbackType? = nil
+    var onTap: (() -> Void)? = nil
+
+    func body(content: Content) -> some View {
+        content
+            .onChange(of: isPresented) { isPresented in
+                if isPresented {
+                    let toastView = ToastView(
+                        title: title,
+                        titleFont: titleFont,
+                        subtitle: subtitle,
+                        subtitleFont: subtitleFont,
+                        icon: icon,
+                        iconSpacing: iconSpacing,
+                        position: position,
+                        onTap: onTap
+                    )
+                    self.toastView = toastView
+                    toastView.show(haptic: haptic) {
+                        self.isPresented = false
+                    }
+                } else {
+                    toastView?.hide()
+                }
+            }
+    }
+}
+
+@available(iOS 17.0, *)
+#Preview {
+    @Previewable @State var isPresented = false
+
+    Button("Present toast") {
+        isPresented = true
+    }
+    .toast(isPresented: $isPresented, title: "AirPods Pro", subtitle: "Connected", icon: UIImage(systemName: "airpodspro"))
+}

Sources/NotificationToast/ToastView.swift

@@ -180,7 +180,7 @@ public class ToastView: UIView {
         layer.cornerRadius = bounds.height / 2
     }
 
-    public func show(originWindowScene: UIWindowScene? = nil, haptic: UINotificationFeedbackGenerator.FeedbackType? = nil) {
+    public func show(originWindowScene: UIWindowScene? = nil, haptic: UINotificationFeedbackGenerator.FeedbackType? = nil, onHide: (() -> Void)? = nil) {
         if let haptic {
             UINotificationFeedbackGenerator().notificationOccurred(haptic)
         }
@@ -196,18 +196,19 @@ public class ToastView: UIView {
             self.transform = .identity
         }) { [self] _ in
             if autoHide {
-                hide(after: displayTime)
+                hide(after: displayTime, onHide: onHide)
             }
         }
     }
 
-    public func hide(after time: TimeInterval = 0.0) {
+    public func hide(after time: TimeInterval = 0.0, onHide: (() -> Void)? = nil) {
         DispatchQueue.main.asyncAfter(deadline: .now() + time) {
             UIView.animate(withDuration: self.hideAnimationDuration, delay: 0, options: .curveEaseIn, animations: { [self] in
                 transform = initialTransform
             }) { [self] _ in
                 removeFromSuperview()
                 overlayWindow = nil
+                onHide?()
             }
         }
     }