displayIncomingCall callback added.

Author: aarkalyk

index.js

@@ -15,6 +15,7 @@ const RNCallKitDidReceiveStartCallAction = 'RNCallKitDidReceiveStartCallAction';
 const RNCallKitPerformAnswerCallAction = 'RNCallKitPerformAnswerCallAction';
 const RNCallKitPerformEndCallAction = 'RNCallKitPerformEndCallAction';
 const RNCallKitDidActivateAudioSession = 'RNCallKitDidActivateAudioSession';
+const RNCallKitDidDisplayIncomingCall = 'RNCallKitDidDisplayIncomingCall';
 
 export default class RNCallKit {
     static addEventListener(type, handler) {
@@ -66,8 +67,14 @@ export default class RNCallKit {
         _RNCallKit.setup(options);
     }
 
-    static displayIncomingCall(uuid, handle, handleType = 'number', hasVideo = false, localizedCallerName?: String) {
+    static displayIncomingCall(uuid, handle, handleType = 'number', hasVideo = false, localizedCallerName?: String, callback) {
         if (Platform.OS !== 'ios') return;
+        if (callback) {
+          _callkitEventHandlers.set(callback, _RNCallKitEmitter.addListener(
+              RNCallKitDidDisplayIncomingCall,
+              (data) => { callback(data.error); }
+          ));
+        }
         _RNCallKit.displayIncomingCall(uuid, handle, handleType, hasVideo, localizedCallerName);
     }
 

ios/RNCallKit/RNCallKit.m

@@ -22,6 +22,7 @@
 static NSString *const RNCallKitPerformAnswerCallAction = @"RNCallKitPerformAnswerCallAction";
 static NSString *const RNCallKitPerformEndCallAction = @"RNCallKitPerformEndCallAction";
 static NSString *const RNCallKitDidActivateAudioSession = @"RNCallKitDidActivateAudioSession";
+static NSString *const RNCallKitDidDisplayIncomingCall = @"RNCallKitDidDisplayIncomingCall";
 
 @implementation RNCallKit
 {
@@ -60,11 +61,12 @@ - (void)dealloc
 - (NSArray<NSString *> *)supportedEvents
 {
     return @[
-        RNCallKitDidReceiveStartCallAction,
-        RNCallKitPerformAnswerCallAction,
-        RNCallKitPerformEndCallAction,
-        RNCallKitDidActivateAudioSession
-    ];
+             RNCallKitDidReceiveStartCallAction,
+             RNCallKitPerformAnswerCallAction,
+             RNCallKitPerformEndCallAction,
+             RNCallKitDidActivateAudioSession,
+             RNCallKitDidDisplayIncomingCall
+             ];
 }
 
 RCT_EXPORT_METHOD(setup:(NSDictionary *)options)
@@ -83,9 +85,9 @@ - (void)dealloc
 
 // Display the incoming call to the user
 RCT_EXPORT_METHOD(displayIncomingCall:(NSString *)uuidString
-                               handle:(NSString *)handle
-                           handleType:(NSString *)handleType
-                             hasVideo:(BOOL)hasVideo
+                  handle:(NSString *)handle
+                  handleType:(NSString *)handleType
+                  hasVideo:(BOOL)hasVideo
                   localizedCallerName:(NSString * _Nullable)localizedCallerName)
 {
 #ifdef DEBUG
@@ -104,6 +106,8 @@ - (void)dealloc
     callUpdate.localizedCallerName = localizedCallerName;
 
     [self.callKitProvider reportNewIncomingCallWithUUID:uuid update:callUpdate completion:^(NSError * _Nullable error) {
+        // Invoking the displayIncomingCall callback
+        [self sendEventWithName:RNCallKitDidDisplayIncomingCall body:@{ @"error": error ? error.localizedDescription : @"" }];
         if (error == nil) {
             // Workaround per https://forums.developer.apple.com/message/169511
             if ([self lessThanIos10_2]) {
@@ -291,25 +295,25 @@ + (BOOL)application:(UIApplication *)application
     NSLog(@"[RNCallKit][application:openURL]");
 #endif
     /*
-    NSString *handle = [url startCallHandle];
-    if (handle != nil && handle.length > 0 ){
-        NSDictionary *userInfo = @{
-            @"handle": handle,
-            @"video": @NO
-        };
-        [[NSNotificationCenter defaultCenter] postNotificationName:RNCallKitHandleStartCallNotification
-                                                            object:self
-                                                          userInfo:userInfo];
-        return YES;
-    }
-    return NO;
-    */
+     NSString *handle = [url startCallHandle];
+     if (handle != nil && handle.length > 0 ){
+     NSDictionary *userInfo = @{
+     @"handle": handle,
+     @"video": @NO
+     };
+     [[NSNotificationCenter defaultCenter] postNotificationName:RNCallKitHandleStartCallNotification
+     object:self
+     userInfo:userInfo];
+     return YES;
+     }
+     return NO;
+     */
     return YES;
 }
 
 + (BOOL)application:(UIApplication *)application
 continueUserActivity:(NSUserActivity *)userActivity
-  restorationHandler:(void(^)(NSArray * __nullable restorableObjects))restorationHandler
+ restorationHandler:(void(^)(NSArray * __nullable restorableObjects))restorationHandler
 {
 #ifdef DEBUG
     NSLog(@"[RNCallKit][application:continueUserActivity]");
@@ -319,25 +323,25 @@ + (BOOL)application:(UIApplication *)application
     NSString *handle;
     BOOL isAudioCall = [userActivity.activityType isEqualToString:INStartAudioCallIntentIdentifier];
     BOOL isVideoCall = [userActivity.activityType isEqualToString:INStartVideoCallIntentIdentifier];
-    
+
     if (isAudioCall) {
         INStartAudioCallIntent *startAudioCallIntent = (INStartAudioCallIntent *)interaction.intent;
         contact = [startAudioCallIntent.contacts firstObject];
     } else if (isVideoCall) {
         INStartVideoCallIntent *startVideoCallIntent = (INStartVideoCallIntent *)interaction.intent;
         contact = [startVideoCallIntent.contacts firstObject];
     }
-    
+
     if (contact != nil) {
         handle = contact.personHandle.value;
     }
-    
+
     if (handle != nil && handle.length > 0 ){
         NSDictionary *userInfo = @{
                                    @"handle": handle,
                                    @"video": @(isVideoCall)
                                    };
-        
+
         [[NSNotificationCenter defaultCenter] postNotificationName:RNCallKitHandleStartCallNotification
                                                             object:self
                                                           userInfo:userInfo];