winamp/Src/nu/ServiceWatcher.h

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2024-09-24 13:54:57 +01:00
#pragma once
#include <api/service/api_service.h>
#include <api/syscb/callbacks/svccb.h>
#include <map>
#include <api/syscb/api_syscb.h>
class ServiceWatcher : public SysCallback
{
public:
ServiceWatcher() : serviceManager(0),systemCallbacks(0) {}
~ServiceWatcher();
void WatchWith(api_service *_serviceApi);
template <class T>
void WatchFor(T **ptr, GUID watchGUID)
{
WatchForT((void **)ptr, watchGUID);
}
void StopWatching();
void Clear();
private:
void WatchForT(void **ptr, GUID watchGUID);
typedef std::map<GUID, void **> WatchList;
WatchList watchList;
FOURCC GetEventType() { return SysCallback::SERVICE; }
int Notify(int msg, intptr_t param1, intptr_t param2);
api_service *serviceManager;
api_syscb *systemCallbacks;
protected:
RECVS_DISPATCH;
};
class ServiceWatcherSingle : public SysCallback
{
public:
ServiceWatcherSingle() : serviceManager(0),systemCallbacks(0),service(0) {}
virtual ~ServiceWatcherSingle();
void WatchWith(api_service *_serviceApi);
template <class T>
void WatchFor(T **ptr, GUID watchGUID)
{
WatchForT((void **)ptr, watchGUID);
}
virtual void OnRegister() {}
virtual void OnDeregister()=0;
void StopWatching();
private:
void WatchForT(void **ptr, GUID watchGUID);
FOURCC GetEventType() { return SysCallback::SERVICE; }
int Notify(int msg, intptr_t param1, intptr_t param2);
api_service *serviceManager;
api_syscb *systemCallbacks;
void **service;
GUID serviceGUID;
protected:
RECVS_DISPATCH;
};