1 files changed, 25 insertions, 0 deletions
diff --git a/InCallUI/src/com/android/incallui/InCallCameraManager.java b/InCallUI/src/com/android/incallui/InCallCameraManager.java
index ded9387f3..b7ec079af 100644
--- a/InCallUI/src/com/android/incallui/InCallCameraManager.java
+++ b/InCallUI/src/com/android/incallui/InCallCameraManager.java
@@ -25,12 +25,22 @@ import android.hardware.camera2.params.StreamConfigurationMap;
 import android.util.Size;
 
 import java.lang.String;
+import java.util.Collections;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.Set;
 
 /**
  * Used to track which camera is used for outgoing video.
  */
 public class InCallCameraManager {
 
+    public interface Listener {
+        void onActiveCameraSelectionChanged(boolean isUsingFrontFacingCamera);
+    }
+
+    private final Set<Listener> mCameraSelectionListeners = Collections.
+        newSetFromMap(new ConcurrentHashMap<Listener, Boolean>(8,0.9f,1));
+
     /**
      * The camera ID for the front facing camera.
      */
@@ -73,6 +83,9 @@ public class InCallCameraManager {
      */
     public void setUseFrontFacingCamera(boolean useFrontFacingCamera) {
         mUseFrontFacingCamera = useFrontFacingCamera;
+        for (Listener listener : mCameraSelectionListeners) {
+            listener.onActiveCameraSelectionChanged(mUseFrontFacingCamera);
+        }
     }
 
     /**
@@ -148,4 +161,16 @@ public class InCallCameraManager {
             }
         }
     }
+
+    public void addCameraSelectionListener(Listener listener) {
+        if (listener != null) {
+            mCameraSelectionListeners.add(listener);
+        }
+    }
+
+    public void removeCameraSelectionListener(Listener listener) {
+        if (listener != null) {
+            mCameraSelectionListeners.remove(listener);
+        }
+    }
 }