MediaLibrary: Expose a media deleted callback

include/IMediaLibrary.h

@@ -68,6 +68,8 @@ public:
      */
     virtual void onMediaUpdated( MediaPtr media ) = 0;
 
+    virtual void onMediaDeleted( std::vector<int64_t> ids ) = 0;
+
     virtual void onArtistAdded( ArtistPtr artist ) = 0;
     virtual void onAlbumAdded( AlbumPtr album ) = 0;
     /**

test/mocks/DiscovererCbMock.h

@@ -41,6 +41,10 @@ public:
     {
     }
 
+    virtual void onMediaDeleted( std::vector<int64_t> ) override
+    {
+    }
+
     virtual void onArtistAdded( ArtistPtr ) override
     {
     }

test/samples/Tester.h

@@ -24,6 +24,7 @@ public:
 private:
     virtual void onMediaAdded(MediaPtr) override {}
     virtual void onMediaUpdated(MediaPtr) override {}
+    virtual void onMediaDeleted( std::vector<int64_t> ) override {}
     virtual void onDiscoveryStarted(const std::string&) override {}
     virtual void onDiscoveryCompleted(const std::string&) override;
     virtual void onReloadStarted( const std::string& ) override {}