Support DTMF events

Author: c960657

actions.js

@@ -44,11 +44,6 @@ const didPerformSetMutedCallAction = handler =>
   eventEmitter.addListener(RNCallKeepDidPerformSetMutedCallAction, (data) => handler(data.muted));
 
 const didPerformDTMFAction = handler => {
-  // @TODO: handle DTMF on iOS
-  if (isIOS) {
-    return;
-  }
-
   eventEmitter.addListener(RNCallKeepDidPerformDTMFAction, handler);
 };
 

ios/RNCallKeep/RNCallKeep.m

@@ -24,6 +24,7 @@
 static NSString *const RNCallKeepDidActivateAudioSession = @"RNCallKeepDidActivateAudioSession";
 static NSString *const RNCallKeepDidDisplayIncomingCall = @"RNCallKeepDidDisplayIncomingCall";
 static NSString *const RNCallKeepDidPerformSetMutedCallAction = @"RNCallKeepDidPerformSetMutedCallAction";
+static NSString *const RNCallKeepPerformPlayDTMFCallAction = @"RNCallKeepDidPerformDTMFAction";
 
 @implementation RNCallKeep
 {
@@ -67,7 +68,8 @@ - (void)dealloc
              RNCallKeepPerformEndCallAction,
              RNCallKeepDidActivateAudioSession,
              RNCallKeepDidDisplayIncomingCall,
-             RNCallKeepDidPerformSetMutedCallAction
+             RNCallKeepDidPerformSetMutedCallAction,
+             RNCallKeepPerformPlayDTMFCallAction
              ];
 }
 
@@ -453,6 +455,15 @@ - (void)provider:(CXProvider *)provider performSetHeldCallAction:(CXSetHeldCallA
 #endif
 }
 
+- (void)provider:(CXProvider *)provider performPlayDTMFCallAction:(CXPlayDTMFCallAction *)action {
+#ifdef DEBUG
+    NSLog(@"[RNCallKit][CXProviderDelegate][provider:performPlayDTMFCallAction]");
+#endif
+    NSString *callUUID = [self containsLowerCaseLetter:action.callUUID.UUIDString] ? action.callUUID.UUIDString : [action.callUUID.UUIDString lowercaseString];
+    [self sendEventWithName:RNCallKeepPerformPlayDTMFCallAction body:@{ @"digits": action.digits, @"callUUID": callUUID }];
+    [action fulfill];
+}
+
 - (void)provider:(CXProvider *)provider timedOutPerformingAction:(CXAction *)action
 {
 #ifdef DEBUG