+extern WXDLLIMPEXP_MEDIA const wxEventType wxEVT_MEDIA_LOADED;
+#define EVT_MEDIA_LOADED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_LOADED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+
+extern WXDLLIMPEXP_MEDIA const wxEventType wxEVT_MEDIA_STATECHANGED;
+extern WXDLLIMPEXP_MEDIA const wxEventType wxEVT_MEDIA_PLAY;
+extern WXDLLIMPEXP_MEDIA const wxEventType wxEVT_MEDIA_PAUSE;
+#define EVT_MEDIA_STATECHANGED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STATECHANGED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_PLAY(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PLAY, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+#define EVT_MEDIA_PAUSE(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PAUSE, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ),
+
+// ----------------------------------------------------------------------------
+// common backend base class used by many other backends
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_MEDIA wxMediaBackendCommonBase : public wxMediaBackend
+{
+public:
+ // add a pending wxMediaEvent of the given type
+ void QueueEvent(wxEventType evtType);
+
+ // notify that the movie playback is finished
+ void QueueFinishEvent()
+ {
+ QueueEvent(wxEVT_MEDIA_STATECHANGED);
+ QueueEvent(wxEVT_MEDIA_FINISHED);
+ }
+
+ // send the stop event and return true if it hasn't been vetoed
+ bool SendStopEvent();
+
+ // Queue pause event
+ void QueuePlayEvent();
+
+ // Queue pause event
+ void QueuePauseEvent();
+
+ // Queue stop event (no veto)
+ void QueueStopEvent();
+
+protected:
+ // call this when the movie size has changed but not because it has just
+ // been loaded (in this case, call NotifyMovieLoaded() below)
+ void NotifyMovieSizeChanged();
+
+ // call this when the movie is fully loaded
+ void NotifyMovieLoaded();
+
+
+ wxMediaCtrl *m_ctrl; // parent control
+};
+