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

30 lines
1.1 KiB
C++

#pragma once
#include "ifc_playlistloadercallback.h"
template <class T>
class ifc_playlistloadercallbackT : public ifc_playlistloadercallback
{
protected:
ifc_playlistloadercallbackT() {}
~ifc_playlistloadercallbackT() {}
protected:
// 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) { return LOAD_ABORT; }
// 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) { return LOAD_ABORT; }
// return 0 to use playlist file path as base (or just don't implement)
const wchar_t *GetBasePath() { return 0; }
#define CBCLASS T
#define CBCLASST ifc_playlistloadercallbackT<T>
START_DISPATCH_INLINE;
CBT(IFC_PLAYLISTLOADERCALLBACK_ONFILE_RET, OnFile);
CBT(IFC_PLAYLISTLOADERCALLBACK_ONPLAYLISTINFO_RET, OnPlaylistInfo);
CBT(IFC_PLAYLISTLOADERCALLBACK_GETBASEPATH, GetBasePath);
END_DISPATCH;
#undef CBCLASS
#undef CBCLASST
};