--- /dev/null
+#ifndef MSP_GL_ANIMATIONEVENTOBSERVER_H_
+#define MSP_GL_ANIMATIONEVENTOBSERVER_H_
+
+#include <string>
+#include <msp/core/variant.h>
+
+namespace Msp {
+namespace GL {
+
+class Placeable;
+
+class AnimationEventObserver
+{
+protected:
+ AnimationEventObserver() { }
+public:
+ virtual ~AnimationEventObserver() { }
+
+ virtual void animation_event(Placeable *, const std::string &, const Variant &) { }
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif