settings observers lifecycle

src/util/ObjectsKeeper.hpp

@@ -0,0 +1,19 @@
+#ifndef UTIL_OBJECTS_KEEPER_HPP_
+#define UTIL_OBJECTS_KEEPER_HPP_
+
+#include <vector>
+#include <memory>
+
+namespace util {
+    class ObjectsKeeper {
+        std::vector<std::shared_ptr<void>> ptrs;
+    public:
+        virtual ~ObjectsKeeper() {}
+
+        virtual void keepAlive(std::shared_ptr<void> ptr) {
+            ptrs.push_back(ptr);
+        }
+    };
+}
+
+#endif // UTIL_OBJECTS_KEEPER_HPP_