Removed unnecessary push token handling. Token is requested by ably-c…

…ocoa and received by flutter, which sends it to ably via the first available `ARTRealtime` object. All instances have the same value for the `device.push` property, since the `device` itself is stored in a static variable.

ios/Classes/AblyFlutter.m

@@ -76,14 +76,6 @@ -(void)reset;
     ARTRest *const rest = [[ARTRest alloc] initWithOptions:options.clientOptions];
     [instanceStore setRest:rest with: handle];
 
-    NSData *const apnsDeviceToken = ably.instanceStore.didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-    NSError *const error = ably.instanceStore.didFailToRegisterForRemoteNotificationsWithError_error;
-    if (apnsDeviceToken != nil) {
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:apnsDeviceToken rest:rest];
-    } else if (error != nil) {
-        [ARTPush didFailToRegisterForRemoteNotificationsWithError:error rest:rest];
-    }
-
     result(handle);
 };
 
@@ -262,19 +254,6 @@ -(void)reset;
     }
     ARTRealtime *const realtime = [[ARTRealtime alloc] initWithOptions:options.clientOptions];
     [instanceStore setRealtime:realtime with:handle];
-
-    // Giving Ably client the deviceToken registered at device launch (didRegisterForRemoteNotificationsWithDeviceToken).
-    // This is not an ideal solution. We save the deviceToken given in didRegisterForRemoteNotificationsWithDeviceToken and the
-    // error in didFailToRegisterForRemoteNotificationsWithError and pass it to Ably in the first client that is first created.
-    // Ideally, the Ably client doesn't need to be created, and we can pass the deviceToken to Ably like in Ably Java.
-    // This is similarly repeated for in _createRest
-    NSData *const apnsDeviceToken = ably.instanceStore.didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-    NSError *const error = ably.instanceStore.didFailToRegisterForRemoteNotificationsWithError_error;
-    if (apnsDeviceToken != nil) {
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:apnsDeviceToken realtime:realtime];
-    } else if (error != nil) {
-        [ARTPush didFailToRegisterForRemoteNotificationsWithError:error realtime:realtime];
-    }
 
     result(handle);
 };
@@ -801,7 +780,6 @@ -(void)reset {
 }
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-    [[UIApplication sharedApplication] registerForRemoteNotifications];
     // Check if application was launched from a notification tap.
 
     // https://stackoverflow.com/a/21611009/7365866
@@ -814,16 +792,13 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 }
 
 #pragma mark - Push Notifications Registration - UIApplicationDelegate
-/// Save the deviceToken provided so we can pass it to the first Ably client which gets created, in createRealtime or createRest.
+
 -(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
-    // Set deviceToken on all existing Ably clients, and a property which used for all future Ably clients.
     [_instanceStore didRegisterForRemoteNotificationsWithDeviceToken: deviceToken];
 }
 
-/// Save the error if it occurred during APNs device registration provided so we can pass it to the first Ably client which gets created, in createRealtime or createRest.
 - (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error {
-    // This error will be used when the first Ably client is made.
-    _instanceStore.didFailToRegisterForRemoteNotificationsWithError_error = error;
+    [_instanceStore didFailToRegisterForRemoteNotificationsWithError:error];
 }
 
 - (BOOL)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {

ios/Classes/AblyInstanceStore.h

@@ -25,11 +25,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 -(ARTPaginatedResult *) getPaginatedResult:(NSNumber *const) handle;
 
--(void) didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const) deviceToken;
+-(void)didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const)deviceToken;
 
-@property(nonatomic, nullable) NSData * didRegisterForRemoteNotificationsWithDeviceToken_deviceToken;
-
-@property(nonatomic, nullable) NSError * didFailToRegisterForRemoteNotificationsWithError_error;
+-(void)didFailToRegisterForRemoteNotificationsWithError:(NSError *const)error;
 
 -(void)reset;
 

ios/Classes/AblyInstanceStore.m

@@ -65,20 +65,21 @@ -(ARTPaginatedResult *) getPaginatedResult:(NSNumber *const) handle {
     return _paginatedResults[handle];
 }
 
-// Set device token on all existing clients
--(void) didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const) deviceToken {
-    _didRegisterForRemoteNotificationsWithDeviceToken_deviceToken = deviceToken;
-
-    for (id restHandle in _restInstances) {
-        ARTRest *const rest = _restInstances[restHandle];
-        [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:deviceToken rest:rest];
-    }
-    for (id realtimeHandle in _realtimeInstances) {
-        ARTRealtime *const realtime = _realtimeInstances[realtimeHandle];
+// Set device token for the first created realtime object, device of which is available for others, because it's static
+-(void)didRegisterForRemoteNotificationsWithDeviceToken:(NSData *const)deviceToken {
+    ARTRealtime *const realtime = _realtimeInstances.allValues.firstObject;
+    if (realtime) {
         [ARTPush didRegisterForRemoteNotificationsWithDeviceToken:deviceToken realtime:realtime];
     }
 }
 
+-(void)didFailToRegisterForRemoteNotificationsWithError:(NSError *const)error {
+    ARTRealtime *const realtime = _realtimeInstances.allValues.firstObject;
+    if (realtime) {
+        [ARTPush didFailToRegisterForRemoteNotificationsWithError:error realtime:realtime];
+    }
+}
+
 -(void)reset {
     for (ARTRealtime *const r in _realtimeInstances.allValues) {
         [r close];