Fix #3235: Implement NTP-SI confirmations

Client/Frontend/Browser/HomePanel/NTPModels.swift

@@ -29,15 +29,19 @@ class NTPBackground: Codable {
     /// Required instead of `CGPoint` due to x/y being optionals
     let focalPoint: FocalPoint?
 
+    // Only available for sponsored images, not normal wallpapers
+    let creativeInstanceId: String?
+
     /// Only available for normal wallpapers, not for sponsored images
     let credit: Credit?
 
     /// Whether the background is a packaged resource or a remote one, impacts how it should be loaded
     let packaged: Bool?
 
-    init(imageUrl: String, focalPoint: FocalPoint?) {
+    init(imageUrl: String, focalPoint: FocalPoint?, creativeInstanceId: String?) {
         self.imageUrl = imageUrl
         self.focalPoint = focalPoint
+        self.creativeInstanceId = creativeInstanceId
         self.credit = nil
         self.packaged = nil
     }

Client/Frontend/Browser/New Tab Page/Backgrounds/NTPDownloader.swift

@@ -319,7 +319,8 @@ class NTPDownloader {
                                              basePath: URL) -> [NTPBackground] {
         backgrounds.map {
             NTPBackground(imageUrl: basePath.appendingPathComponent($0.imageUrl).path,
-                          focalPoint: $0.focalPoint)
+                          focalPoint: $0.focalPoint,
+                          creativeInstanceId: $0.creativeInstanceId)
         }
     }
 

Client/Frontend/Browser/New Tab Page/Backgrounds/NewTabPageBackground.swift

@@ -19,9 +19,12 @@ class NewTabPageBackground: PreferencesObserver {
     /// The current background image & possibly sponsor
     private(set) var currentBackground: (wallpaper: NTPBackground, type: NTPDataSource.BackgroundType)? {
         didSet {
+            wallpaperId = UUID()
             changed?()
         }
     }
+    /// A unique wallpaper identifier
+    private(set) var wallpaperId: UUID?
     /// The background/wallpaper image if available
     var backgroundImage: UIImage? {
         currentBackground?.wallpaper.image

Client/Frontend/Browser/New Tab Page/NewTabPageViewController.swift

@@ -254,6 +254,7 @@ class NewTabPageViewController: UIViewController, Themeable {
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
 
+        reportSponsoredImageBackgroundEvent(.viewed)
         presentNotification()
     }
 
@@ -392,6 +393,20 @@ class NewTabPageViewController: UIViewController, Themeable {
         backgroundView.imageConstraints?.landscapeCenter.update(offset: inset)
     }
 
+    private func reportSponsoredImageBackgroundEvent(_ event: NewTabPageAdEventType) {
+        guard let backgroundType = background.currentBackground?.type,
+              case .withBrandLogo = backgroundType,
+              let wallpaperId = background.wallpaperId?.uuidString,
+              let creativeInstanceId = background.currentBackground?.wallpaper.creativeInstanceId else {
+            return
+        }
+        rewards.ads.reportNewTabPageAdEvent(
+            wallpaperId,
+            creativeInstanceId: creativeInstanceId,
+            eventType: event
+        )
+    }
+
     // MARK: - Notifications
 
     private var notificationController: UIViewController?
@@ -665,6 +680,8 @@ class NewTabPageViewController: UIViewController, Themeable {
     private func tappedSponsorButton(_ logo: NTPLogo) {
         UIImpactFeedbackGenerator(style: .medium).bzzt()
         delegate?.navigateToInput(logo.destinationUrl, inNewTab: false, switchingToPrivateMode: false)
+
+        reportSponsoredImageBackgroundEvent(.clicked)
     }
 
     private func tappedQRCode(_ code: String) {