winamp/Src/Wasabi/api/dependency/api_dependent.h
2024-09-24 14:54:57 +02:00

54 lines
1.4 KiB
C++

#ifndef __WASABI_API_DEPENDENT_H
#define __WASABI_API_DEPENDENT_H
#include <bfc/dispatch.h>
#include "api_dependentviewer.h"
// we define some common event codes here. if your object needs more send
// them as parameters to OBJECTSPECIFIC
// some system-level codes for cb param. You can implement your own events
// with DEPCB_EVENT and the parameters
namespace DependentCB
{
enum {
DEPCB_NOP = 0,
DEPCB_DELETED = 100, // object being deleted
DEPCB_EVENT = 1000, // object-specific event. use param1 etc to send your messages
};
};
class NOVTABLE ifc_dependent : public Dispatchable
{
protected:
ifc_dependent() {}
~ifc_dependent() {}
public:
void dependent_regViewer(ifc_dependentviewer *viewer, int add) ;
void *dependent_getInterface(const GUID *classguid);
DISPATCH_CODES
{
API_DEPENDENT_REGVIEWER = 10,
API_DEPENDENT_GETINTERFACE = 20,
};
};
inline void ifc_dependent::dependent_regViewer(api_dependentviewer *viewer, int add)
{
_voidcall(API_DEPENDENT_REGVIEWER, viewer, add);
}
inline void *ifc_dependent::dependent_getInterface(const GUID *classguid)
{
return _call(API_DEPENDENT_GETINTERFACE, (void *)0, classguid);
}
// this is a helper for dependent_getInterface
#define HANDLEGETINTERFACE(x) { \
if (*classguid == *x::depend_getClassGuid()) return static_cast<x *>(this); \
}
typedef ifc_dependent api_dependent;
#endif