Initial community commit

Src/playlist/ifc_playlistloadercallback.h

@@ -0,0 +1,96 @@
+#ifndef NULLSOFT_IFC_PLAYLISTLOADERCALLBACK_H
+#define NULLSOFT_IFC_PLAYLISTLOADERCALLBACK_H
+
+#include <bfc/dispatch.h>
+#include <bfc/platform/types.h>
+#include "ifc_plentryinfo.h"
+
+#ifndef FILENAME_SIZE
+#define FILENAME_SIZE (MAX_PATH * 4)
+#endif
+
+#ifndef FILETITLE_SIZE
+#define FILETITLE_SIZE 400
+#endif
+
+class ifc_playlistinfo; // TODO
+class ifc_playlistloadercallback : public Dispatchable
+{
+protected:
+	ifc_playlistloadercallback()                                      {}
+	~ifc_playlistloadercallback()                                     {}
+	
+public:
+	// return 0 to continue enumeration, or 1 to quit
+
+	// title will be NULL if no title found, length will be -1
+	int            OnFile( const wchar_t *filename, const wchar_t *title, int lengthInMS, ifc_plentryinfo *info );
+	void           OnFileOld( const wchar_t *filename, const wchar_t *title, int lengthInMS, ifc_plentryinfo *info );
+
+	// numEntries is just a hint, there is no gaurantee.  0 means "don't know"
+	int            OnPlaylistInfo( const wchar_t *playlistName, size_t numEntries, ifc_plentryinfo *info );
+	void           OnPlaylistInfoOld( const wchar_t *playlistName, size_t numEntries, ifc_plentryinfo *info );
+
+	const wchar_t *GetBasePath(); // return 0 to use playlist file path as base (or just don't implement)
+
+	DISPATCH_CODES
+	{
+		IFC_PLAYLISTLOADERCALLBACK_ONFILE             = 10,
+		IFC_PLAYLISTLOADERCALLBACK_ONFILE_RET         = 11,
+		IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO     = 20,
+		IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO_RET = 21,
+		IFC_PLAYLISTLOADERCALLBACK_GETBASEPATH        = 30,
+	};
+	enum
+	{
+		LOAD_CONTINUE = 0,
+		LOAD_ABORT    = 1,
+	};
+};
+
+inline void ifc_playlistloadercallback::OnFileOld( const wchar_t *filename, const wchar_t *title, int lengthInMS, ifc_plentryinfo *info )
+{
+	_voidcall( IFC_PLAYLISTLOADERCALLBACK_ONFILE, filename, title, lengthInMS, info );
+}
+
+inline int ifc_playlistloadercallback::OnFile( const wchar_t *filename, const wchar_t *title, int lengthInMS, ifc_plentryinfo *info )
+{
+	void *params[ 4 ] = { &filename, &title, &lengthInMS, &info };
+	int   retval;
+
+	if ( _dispatch( IFC_PLAYLISTLOADERCALLBACK_ONFILE_RET, &retval, params, 4 ) == 0 )
+	{
+		_dispatch( IFC_PLAYLISTLOADERCALLBACK_ONFILE, 0, params, 4 );
+
+		return LOAD_CONTINUE;
+	}
+
+	return retval;
+}
+
+inline void ifc_playlistloadercallback::OnPlaylistInfoOld( const wchar_t *playlistName, size_t numEntries, ifc_plentryinfo *info )
+{
+	_voidcall( IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO, playlistName, numEntries, info );
+}
+
+inline int ifc_playlistloadercallback::OnPlaylistInfo( const wchar_t *playlistName, size_t numEntries, ifc_plentryinfo *info )
+{
+	void *params[ 3 ] = { &playlistName, &numEntries, &info };
+	int   retval;
+
+	if ( _dispatch( IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO_RET, &retval, params, 3 ) == 0 )
+	{
+		_dispatch( IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO, 0, params, 3 );
+
+		return LOAD_CONTINUE;
+	}
+
+	return retval;
+}
+
+inline const wchar_t *ifc_playlistloadercallback::GetBasePath()
+{
+	return _call( IFC_PLAYLISTLOADERCALLBACK_GETBASEPATH, (const wchar_t *)0 );
+}
+
+#endif