//
//  GADUnifiedNativeAdDelegate.h
//  Google Mobile Ads SDK
//
//  Copyright 2017 Google Inc. All rights reserved.
//

#import <Foundation/Foundation.h>

#import <GoogleMobileAds/GoogleMobileAdsDefines.h>

@class GADUnifiedNativeAd;

GAD_ASSUME_NONNULL_BEGIN

/// Identifies native ad assets.
@protocol GADUnifiedNativeAdDelegate<NSObject>

@optional

#pragma mark Ad Lifecycle Events

/// Called when an impression is recorded for an ad. Only called for Google ads and is not supported
/// for mediated ads.
- (void)nativeAdDidRecordImpression:(GADUnifiedNativeAd *)nativeAd;

/// Called when a click is recorded for an ad. Only called for Google ads and is not supported for
/// mediated ads.
- (void)nativeAdDidRecordClick:(GADUnifiedNativeAd *)nativeAd;

#pragma mark Click-Time Lifecycle Notifications

/// Called before presenting the user a full screen view in response to an ad action. Use this
/// opportunity to stop animations, time sensitive interactions, etc.
///
/// Normally the user looks at the ad, dismisses it, and control returns to your application with
/// the nativeAdDidDismissScreen: message. However, if the user hits the Home button or clicks on an
/// App Store link, your application will be backgrounded. The next method called will be the
/// applicationWillResignActive: of your UIApplicationDelegate object. Immediately after that,
/// nativeAdWillLeaveApplication: is called.
- (void)nativeAdWillPresentScreen:(GADUnifiedNativeAd *)nativeAd;

/// Called before dismissing a full screen view.
- (void)nativeAdWillDismissScreen:(GADUnifiedNativeAd *)nativeAd;

/// Called after dismissing a full screen view. Use this opportunity to restart anything you may
/// have stopped as part of nativeAdWillPresentScreen:.
- (void)nativeAdDidDismissScreen:(GADUnifiedNativeAd *)nativeAd;

/// Called before the application will go to the background or terminate due to an ad action that
/// will launch another application (such as the App Store). The normal UIApplicationDelegate
/// methods, like applicationDidEnterBackground:, will be called immediately before this.
- (void)nativeAdWillLeaveApplication:(GADUnifiedNativeAd *)nativeAd;

@end

GAD_ASSUME_NONNULL_END