From d727df5ef8adb600c162d7584847dc858027e95f Mon Sep 17 00:00:00 2001
From: Mike Holloway <me@mikeholloway.co.uk>
Date: Thu, 24 Mar 2022 11:00:24 +0000
Subject: [PATCH] Exposes new event: remoteNotificationsRegistrationDenied
 (#845)

* Adds an event handler to understand when the user has pressed "Don't Allow" in permissions overlay
---
 lib/ios/RNEventEmitter.h                 | 1 +
 lib/ios/RNEventEmitter.m                 | 1 +
 lib/ios/RNNotificationCenter.m           | 4 ++++
 lib/src/adapters/NativeEventsReceiver.ts | 8 ++++++--
 lib/src/events/EventsRegistry.ts         | 4 ++++
 website/docs/api/general-events.md       | 9 +++++++++
 6 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/lib/ios/RNEventEmitter.h b/lib/ios/RNEventEmitter.h
index 3ca3e6adc..b09d90fcd 100644
--- a/lib/ios/RNEventEmitter.h
+++ b/lib/ios/RNEventEmitter.h
@@ -1,6 +1,7 @@
 #import <React/RCTEventEmitter.h>
 
 static NSString* const RNRegistered                  = @"remoteNotificationsRegistered";
+static NSString* const RNRegistrationDenied          = @"remoteNotificationsRegistrationDenied";
 static NSString* const RNRegistrationFailed          = @"remoteNotificationsRegistrationFailed";
 static NSString* const RNPushKitRegistered           = @"pushKitRegistered";
 static NSString* const RNNotificationReceived        = @"notificationReceived";
diff --git a/lib/ios/RNEventEmitter.m b/lib/ios/RNEventEmitter.m
index 594badf2c..35bca6250 100644
--- a/lib/ios/RNEventEmitter.m
+++ b/lib/ios/RNEventEmitter.m
@@ -6,6 +6,7 @@ @implementation RNEventEmitter
 
 -(NSArray<NSString *> *)supportedEvents {
     return @[RNRegistered,
+             RNRegistrationDenied,
              RNRegistrationFailed,
              RNPushKitRegistered,
              RNNotificationReceived,
diff --git a/lib/ios/RNNotificationCenter.m b/lib/ios/RNNotificationCenter.m
index 4b3365625..afd5c7368 100644
--- a/lib/ios/RNNotificationCenter.m
+++ b/lib/ios/RNNotificationCenter.m
@@ -1,3 +1,4 @@
+#import "RNEventEmitter.h"
 #import "RNNotificationCenter.h"
 #import "RCTConvert+RNNotifications.h"
 
@@ -40,6 +41,9 @@ - (void)requestPermissions:(NSDictionary *)options {
                 }
             }];
         }
+        if (!error && !granted) {
+          [RNEventEmitter sendEvent:RNRegistrationDenied body:nil];
+        }
     }];
 }
 
diff --git a/lib/src/adapters/NativeEventsReceiver.ts b/lib/src/adapters/NativeEventsReceiver.ts
index f71b490ea..18536ead0 100644
--- a/lib/src/adapters/NativeEventsReceiver.ts
+++ b/lib/src/adapters/NativeEventsReceiver.ts
@@ -25,13 +25,13 @@ export class NativeEventsReceiver {
   }
 
   public registerNotificationReceived(callback: (notification: Notification) => void): EmitterSubscription {
-    return this.emitter.addListener('notificationReceived', (payload) => {
+    return this.emitter.addListener('notificationReceived', (payload: unknown) => {
       callback(this.notificationFactory.fromPayload(payload));
     });
   }
 
   public registerNotificationReceivedBackground(callback: (notification: Notification) => void): EmitterSubscription {
-    return this.emitter.addListener('notificationReceivedBackground', (payload) => {
+    return this.emitter.addListener('notificationReceivedBackground', (payload: unknown) => {
       callback(this.notificationFactory.fromPayload(payload));
     });
   }
@@ -50,4 +50,8 @@ export class NativeEventsReceiver {
   public registerRemoteNotificationsRegistrationFailed(callback: (event: RegistrationError) => void): EmitterSubscription {
     return this.emitter.addListener('remoteNotificationsRegistrationFailed', callback);
   }
+
+  public registerRemoteNotificationsRegistrationDenied(callback: () => void): EmitterSubscription {
+    return this.emitter.addListener('remoteNotificationsRegistrationDenied', callback);
+  }
 }
diff --git a/lib/src/events/EventsRegistry.ts b/lib/src/events/EventsRegistry.ts
index a62af182c..6281a36af 100644
--- a/lib/src/events/EventsRegistry.ts
+++ b/lib/src/events/EventsRegistry.ts
@@ -34,4 +34,8 @@ export class EventsRegistry {
   public registerRemoteNotificationsRegistrationFailed(callback: (event: RegistrationError) => void): EmitterSubscription {
     return this.nativeEventsReceiver.registerRemoteNotificationsRegistrationFailed(callback);
   }
+
+  public registerRemoteNotificationsRegistrationDenied(callback: () => void): EmitterSubscription {
+    return this.nativeEventsReceiver.registerRemoteNotificationsRegistrationDenied(callback);
+  }
 }
diff --git a/website/docs/api/general-events.md b/website/docs/api/general-events.md
index e0be0924c..e7ce7cefd 100755
--- a/website/docs/api/general-events.md
+++ b/website/docs/api/general-events.md
@@ -59,4 +59,13 @@ Fired when the user fails to register for remote notifications. Typically occurs
 Notifications.events().registerRemoteNotificationsRegistrationFailed((event: RegistrationError) => {
   console.log(event.code, event.localizedDescription, event.domain);
 });
+```
+
+## registerRemoteNotificationsDenied()
+Fired when the user does not grant permission to receive push notifications. Typically occurs when pressing the "Don't Allow" button in iOS permissions overlay.
+
+```js
+Notifications.events().registerRemoteNotificationRegistrationDenied(() => {
+  console.log('Notification permissions not granted')
+})
 ```
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