[android] fix source ownership

1 files changed, 8 insertions, 1 deletions

diff --git a/platform/android/src/style/sources/source.hpp b/platform/android/src/style/sources/source.hpp
index 0785e4d4e0..b24dc891b4 100644
--- a/platform/android/src/style/sources/source.hpp
+++ b/platform/android/src/style/sources/source.hpp
@@ -32,16 +32,23 @@ public:
 
     virtual ~Source();
 
+    void addToMap(mbgl::Map&);
+
     virtual jni::jobject* createJavaPeer(jni::JNIEnv&) = 0;
 
     jni::String getId(jni::JNIEnv&);
 
+protected:
     //Release the owned view and return it
     std::unique_ptr<mbgl::style::Source> releaseCoreSource();
 
-protected:
+    //Set on newly created sources until added to the map
     std::unique_ptr<mbgl::style::Source> ownedSource;
+
+    //Raw pointer that is valid until the source is removed from the map
     mbgl::style::Source& source;
+
+    //Map pointer is valid for newly created sources only after adding to the map
     mbgl::Map* map;
 };