Feature/method and callback for mic toggle (#40)

* setMute method and event handler added.

* version bumped.

* back to Brittish :)

* rolled back to 1.3.3

Author: aarkalyk

README.md

@@ -159,6 +159,13 @@ Call when you make an outgoing call
 
 Call when you finish an incoming/outgoing call
 
+### setMutedCall
+
+- **uuid**: string
+- **muted**: boolean
+
+Switch the mic on/off
+
 ## Events
 
 ### - didReceiveStartCallAction
@@ -217,6 +224,12 @@ Callback for `RNCallKit.displayIncomingCall`
 
 **error**: string (optional)
 
+### - didPerformSetMutedCallAction
+
+A call was muted by the system or the user:
+
+**muted**: boolean
+
 ## Usage
 
 ```javascript
@@ -246,6 +259,7 @@ class RNCallKitExample extends React.Component {
     RNCallKit.addEventListener('endCall', this.onRNCallKitPerformEndCallAction);
     RNCallKit.addEventListener('didActivateAudioSession', this.onRNCallKitDidActivateAudioSession);
     RNCallKit.addEventListener('didDisplayIncomingCall', this.onRNCallKitDidDisplayIncomingCall);
+    RNCallKit.addEventListener('didPerformSetMutedCallAction', this.onRNCallKitDidPerformSetMutedCallAction);
   }
 
   onRNCallKitDidReceiveStartCallAction(data) {
@@ -292,6 +306,12 @@ class RNCallKitExample extends React.Component {
      */
   }
 
+  onRNCallKitDidPerformSetMutedCallAction(muted) {
+    /* You will get this event after the system or the user mutes a call
+     * You can use it to toggle the mic on your custom call UI
+     */
+  }
+
   // This is a fake function where you can receive incoming call notifications
   onIncomingCall() {
     // Store the generated uuid somewhere

index.js

@@ -16,6 +16,7 @@ const RNCallKitPerformAnswerCallAction = 'RNCallKitPerformAnswerCallAction';
 const RNCallKitPerformEndCallAction = 'RNCallKitPerformEndCallAction';
 const RNCallKitDidActivateAudioSession = 'RNCallKitDidActivateAudioSession';
 const RNCallKitDidDisplayIncomingCall = 'RNCallKitDidDisplayIncomingCall';
+const RNCallKitDidPerformSetMutedCallAction = 'RNCallKitDidPerformSetMutedCallAction';
 
 export default class RNCallKit {
     static addEventListener(type, handler) {
@@ -47,6 +48,11 @@ export default class RNCallKit {
                 RNCallKitDidDisplayIncomingCall,
                 (data) => { handler(data.error); }
             );
+        } else if (type === 'didPerformSetMutedCallAction') {
+          listener = _RNCallKitEmitter.addListener(
+            RNCallKitDidPerformSetMutedCallAction,
+            (data) => { handler(data.muted); }
+          );
         }
 
         _callkitEventHandlers.set(handler, listener);
@@ -98,6 +104,11 @@ export default class RNCallKit {
         _RNCallKit.endAllCalls();
     }
 
+    static setMutedCAll(uuid, muted) {
+        if (Platform.OS !== 'ios') return;
+        _RNCallKit.setMutedCall(uuid, muted);
+    }
+
     /*
     static setHeldCall(uuid, onHold) {
         if (Platform.OS !== 'ios') return;

ios/RNCallKit/RNCallKit.m

@@ -23,6 +23,7 @@
 static NSString *const RNCallKitPerformEndCallAction = @"RNCallKitPerformEndCallAction";
 static NSString *const RNCallKitDidActivateAudioSession = @"RNCallKitDidActivateAudioSession";
 static NSString *const RNCallKitDidDisplayIncomingCall = @"RNCallKitDidDisplayIncomingCall";
+static NSString *const RNCallKitDidPerformSetMutedCallAction = @"RNCallKitDidPerformSetMutedCallAction";
 
 @implementation RNCallKit
 {
@@ -65,7 +66,8 @@ - (void)dealloc
              RNCallKitPerformAnswerCallAction,
              RNCallKitPerformEndCallAction,
              RNCallKitDidActivateAudioSession,
-             RNCallKitDidDisplayIncomingCall
+             RNCallKitDidDisplayIncomingCall,
+             RNCallKitDidPerformSetMutedCallAction
              ];
 }
 
@@ -185,6 +187,18 @@ - (void)dealloc
     [self.callKitProvider reportOutgoingCallWithUUID:uuid connectedAtDate:[NSDate date]];
 }
 
+RCT_EXPORT_METHOD(setMutedCall:(NSString *)uuidString muted:(BOOL)muted)
+{
+#ifdef DEBUG
+    NSLog(@"[RNCallKit][setMutedCall] muted = %i", muted);
+#endif
+    NSUUID *uuid = [[NSUUID alloc] initWithUUIDString:uuidString];
+    CXSetMutedCallAction *setMutedAction = [[CXSetMutedCallAction alloc] initWithCallUUID:uuid muted:muted];
+    CXTransaction *transaction = [[CXTransaction alloc] init];
+    [transaction addAction:setMutedAction];
+
+    [self requestTransaction:transaction];
+}
 
 - (void)requestTransaction:(CXTransaction *)transaction
 {
@@ -440,4 +454,13 @@ - (void)provider:(CXProvider *)provider didDeactivateAudioSession:(AVAudioSessio
 #endif
 }
 
+-(void)provider:(CXProvider *)provider performSetMutedCallAction:(CXSetMutedCallAction *)action
+{
+#ifdef DEBUG
+    NSLog(@"[RNCallKit][CXProviderDelegate][provider:performSetMutedCallAction]");
+#endif
+    [self sendEventWithName:RNCallKitDidPerformSetMutedCallAction body:@{ @"muted": @(action.muted) }];
+    [action fulfill];
+}
+
 @end