winamp/Src/playlist/ifc_playlistloadercallback.h
2024-09-24 14:54:57 +02:00

96 lines
3 KiB
C++

#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