77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
#ifndef __WASERVICEFACTORYBASE_IMPL_H
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#define __WASERVICEFACTORYBASE_IMPL_H
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/*<?<autoheader/>*/
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class CfgItem;
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/*?>*/
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#include "waservicefactoryi.h"
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template <class SERVICETYPE, class SERVICE>
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class NOVTABLE waServiceFactoryBaseX : public waServiceFactoryI {
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public:
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waServiceFactoryBaseX(GUID myGuid = INVALID_GUID) : guid(myGuid) {}
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virtual FOURCC svc_serviceType()=0;
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virtual const char *svc_getServiceName() { return SERVICE::getServiceName(); }
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virtual GUID svc_getGuid() { return guid; }
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virtual void *svc_getInterfaceAndLock() {// this is only for back compat
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return getInterface(TRUE);
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}
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virtual void *svc_getInterface(int global_lock)=0;
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virtual int svc_releaseInterface(void *ptr)=0;
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virtual CfgItem *svc_getCfgInterface() { return NULL; }
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virtual const wchar_t *svc_getTestString() { return NULL; }
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virtual int svc_notify(int msg, int param1 = 0, int param2 = 0) { return 0; }
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private:
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GUID guid;
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};
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// if you derive from this, all you have to do is override the newService()
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// and delService() methods... if all you need to do is instantiate a class
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// and destroy it use the helper below (waServiceFactoryT)
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template <class SERVICETYPE, class SERVICE>
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class NOVTABLE waServiceFactoryBase : public waServiceFactoryBaseX<SERVICETYPE, SERVICE> {
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public:
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waServiceFactoryBase(GUID myGuid = INVALID_GUID) : waServiceFactoryBaseX<SERVICETYPE, SERVICE>(myGuid) {}
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virtual FOURCC svc_serviceType() { return SERVICETYPE::getServiceType(); }
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virtual void *svc_getInterface(int global_lock) { // new style, client optionally does the locking
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SERVICETYPE *ret = newService();
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if (global_lock) WASABI_API_SVC->service_lock(this, ret);
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return ret;
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}
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virtual int svc_releaseInterface(void *ptr) {
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return delService(static_cast<SERVICE*>(static_cast<SERVICETYPE*>(ptr)));
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}
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protected:
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virtual SERVICETYPE *newService()=0;
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virtual int delService(SERVICETYPE *service)=0;
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};
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// and this one just exposes a service pointer, without factory. note that
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// SERVICETYPE and SERVICE do not have to be related (unlike waServiceFactoryBase
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// who needs a relationship between the classes in releaseInterface)
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template <class SERVICETYPE, class SERVICE>
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class NOVTABLE waServiceBase : public waServiceFactoryBaseX<SERVICETYPE, SERVICE> {
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public:
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waServiceBase(GUID myGuid = INVALID_GUID) : waServiceFactoryBaseX<SERVICETYPE, SERVICE>(myGuid) {}
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virtual FOURCC svc_serviceType() { return SERVICE::getServiceType(); }
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virtual void *svc_getInterface(int global_lock) { // new style, client optionally does the locking
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SERVICETYPE *ret = getService();
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if (global_lock) WASABI_API_SVC->service_lock(this, ret);
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return ret;
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}
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virtual int svc_releaseInterface(void *ptr) {
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return TRUE;
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}
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protected:
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virtual SERVICETYPE *getService()=0;
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};
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#endif // __WASERVICEFACTORYBASE_IMPL_H
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