1 files changed, 7 insertions, 3 deletions
diff --git a/src/Instance.hxx b/src/Instance.hxx
index a0dfd1b94..160e713b0 100644
--- a/src/Instance.hxx
+++ b/src/Instance.hxx
@@ -21,17 +21,18 @@
 #define MPD_INSTANCE_HXX
 
 #include "check.h"
+#include "DatabaseListener.hxx"
+#include "Compiler.h"
 
 class ClientList;
 struct Partition;
-struct Song;
 
-struct Instance {
+struct Instance final : public DatabaseListener {
 	ClientList *client_list;
 
 	Partition *partition;
 
-	void DeleteSong(const Song &song);
+	void DeleteSong(const char *uri);
 
 	/**
 	 * The database has been modified.  Propagate the change to
@@ -49,6 +50,9 @@ struct Instance {
 	 * Synchronize the player with the play queue.
 	 */
 	void SyncWithPlayer();
+
+private:
+	virtual void OnDatabaseModified();
 };
 
 #endif