winamp/Src/replicant/syscb/api_syscb.h

52 lines
1.9 KiB
C++

#pragma once
#include "foundation/dispatch.h"
#include "foundation/types.h"
#include "service/types.h"
class ifc_sysCallback;
// {57B7A1B6-700E-44ff-9CB0-70B92BAF3959}
static const GUID syscbApiServiceGuid =
{ 0x57b7a1b6, 0x700e, 0x44ff, { 0x9c, 0xb0, 0x70, 0xb9, 0x2b, 0xaf, 0x39, 0x59 } };
// ----------------------------------------------------------------------------
class NOVTABLE api_syscb : public Wasabi2::Dispatchable
{
protected:
api_syscb() : Dispatchable(DISPATCHABLE_VERSION) {}
~api_syscb() {}
public:
static const GUID GetServiceGUID() { return syscbApiServiceGuid; }
static const GUID GetServiceType() { return SVC_TYPE_UNIQUE; }
int RegisterCallback(ifc_sysCallback *cb) { return SysCallbacks_RegisterCallback(cb); }
int UnregisterCallback(ifc_sysCallback *cb) { return SysCallbacks_UnregisterCallback(cb); }
int IssueCallback(GUID eventtype, int msg, intptr_t param1 = 0, intptr_t param2 = 0) { return SysCallbacks_IssueCallback(eventtype, msg, param1, param2); }
/** pass eventtype == 0 to enumerate all syscallbacks
** call Release() on the returned ifc_sysCallback when you are done
** although very few wasabi objects support this at this time (2 June 2008)
**/
ifc_sysCallback *syscb_enum(GUID eventtype, size_t n) { return SysCallbacks_Enum(eventtype, n); }
enum
{
DISPATCHABLE_VERSION,
};
protected:
virtual int WASABICALL SysCallbacks_RegisterCallback(ifc_sysCallback *cb)=0;
virtual int WASABICALL SysCallbacks_UnregisterCallback(ifc_sysCallback *cb)=0;
virtual int WASABICALL SysCallbacks_IssueCallback(GUID eventtype, int msg, intptr_t param1 = 0, intptr_t param2 = 0)=0;
/** pass eventtype == 0 to enumerate all syscallbacks
** call Release() on the returned ifc_sysCallback when you are done
** although very few wasabi objects support this at this time (2 June 2008)
**/
virtual ifc_sysCallback *WASABICALL SysCallbacks_Enum(GUID eventtype, size_t n)=0;
};