Compass click rotates around focal point (if available) (#7977)

* add set bearing method taking focal point into account

* notify CompassView when FocalPoint changes

1 files changed, 10 insertions, 1 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
index fd4c8945ed..edff9b036d 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
@@ -127,7 +127,7 @@ public class MapView extends FrameLayout {
     nativeMapView = new NativeMapView(this);
 
     // callback for focal point invalidation
-    FocalPointInvalidator focalPoint = new FocalPointInvalidator();
+    FocalPointInvalidator focalPoint = new FocalPointInvalidator(compassView);
 
     // callback for registering touch listeners
     RegisterTouchListener registerTouchListener = new RegisterTouchListener();
@@ -944,9 +944,18 @@ public class MapView extends FrameLayout {
 
   private class FocalPointInvalidator implements FocalPointChangeListener {
 
+    private final FocalPointChangeListener[] focalPointChangeListeners;
+
+    FocalPointInvalidator(FocalPointChangeListener... listeners) {
+      focalPointChangeListeners = listeners;
+    }
+
     @Override
     public void onFocalPointChanged(PointF pointF) {
       mapGestureDetector.setFocalPoint(pointF);
+      for (FocalPointChangeListener focalPointChangeListener : focalPointChangeListeners) {
+        focalPointChangeListener.onFocalPointChanged(pointF);
+      }
     }
   }