mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
147 lines
3.0 KiB
147 lines
3.0 KiB
#include "shole.h"
|
|
#include "ids.h"
|
|
#include "scguid.h"
|
|
#define DECL_CRTFREE
|
|
#include <crtfree.h>
|
|
|
|
LONG g_cRefThisDll = 0; // per-instance
|
|
|
|
STDAPI_(void) DllAddRef(void)
|
|
{
|
|
InterlockedIncrement(&g_cRefThisDll);
|
|
}
|
|
|
|
STDAPI_(void) DllRelease(void)
|
|
{
|
|
InterlockedDecrement(&g_cRefThisDll);
|
|
}
|
|
|
|
class CMyClassFactory : public IClassFactory
|
|
{
|
|
public:
|
|
CMyClassFactory(REFCLSID rclsid);
|
|
~CMyClassFactory() { DllRelease(); }
|
|
|
|
// IUnKnown
|
|
virtual HRESULT __stdcall QueryInterface(REFIID,void **);
|
|
virtual ULONG __stdcall AddRef(void);
|
|
virtual ULONG __stdcall Release(void);
|
|
|
|
// IClassFactory
|
|
virtual HRESULT __stdcall CreateInstance(
|
|
IUnknown *pUnkOuter, REFIID riid, void **ppvObject);
|
|
virtual HRESULT __stdcall LockServer(BOOL fLock);
|
|
|
|
protected:
|
|
UINT _cRef;
|
|
CLSID _clsid;
|
|
};
|
|
|
|
CMyClassFactory::CMyClassFactory(REFCLSID rclsid) : _cRef(1), _clsid(rclsid)
|
|
{
|
|
DllAddRef();
|
|
}
|
|
|
|
HRESULT CMyClassFactory::QueryInterface(REFIID riid, void **ppvObject)
|
|
{
|
|
HRESULT hres;
|
|
if (IsEqualGUID(riid, IID_IClassFactory) || IsEqualGUID(riid, IID_IUnknown)) {
|
|
_cRef++;
|
|
*ppvObject = (LPCLASSFACTORY)this;
|
|
hres = NOERROR;
|
|
}
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
hres = ResultFromScode(E_NOINTERFACE);
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
ULONG CMyClassFactory::AddRef(void)
|
|
{
|
|
return ++_cRef;
|
|
}
|
|
|
|
ULONG CMyClassFactory::Release(void)
|
|
{
|
|
if (--_cRef>0) {
|
|
return _cRef;
|
|
}
|
|
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
HRESULT CMyClassFactory::CreateInstance(IUnknown *pUnkOuter, REFIID riid, void **ppvObject)
|
|
{
|
|
if (pUnkOuter)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
LPUNKNOWN punk;
|
|
HRESULT hres;
|
|
if (IsEqualGUID(_clsid, CLSID_CScrapData))
|
|
{
|
|
hres = CScrapData_CreateInstance(&punk);
|
|
}
|
|
#ifdef FEATURE_SHELLEXTENSION
|
|
else if (IsEqualGUID(_clsid, CLSID_CTemplateFolder))
|
|
{
|
|
hres = CTemplateFolder_CreateInstance(&punk);
|
|
}
|
|
else if (IsEqualGUID(_clsid, CLSID_CScrapExt))
|
|
{
|
|
hres = CScrapExt_CreateInstance(&punk);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
hres = punk->QueryInterface(riid, ppvObject);
|
|
punk->Release();
|
|
}
|
|
return hres;
|
|
}
|
|
|
|
HRESULT CMyClassFactory::LockServer(BOOL fLock)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID * ppvOut)
|
|
{
|
|
if (IsEqualGUID(rclsid,CLSID_CScrapData)
|
|
#ifdef FEATURE_SHELLEXTENSION
|
|
|| IsEqualGUID(rclsid,CLSID_CTemplateFolder)
|
|
|| IsEqualGUID(rclsid,CLSID_CScrapExt)
|
|
#endif
|
|
)
|
|
{
|
|
CMyClassFactory *pmycls = new CMyClassFactory(rclsid);
|
|
if (pmycls)
|
|
{
|
|
HRESULT hres = pmycls->QueryInterface(riid, ppvOut);
|
|
pmycls->Release();
|
|
return hres;
|
|
}
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
return CLASS_E_CLASSNOTAVAILABLE;
|
|
}
|
|
|
|
STDAPI DllCanUnloadNow(void)
|
|
{
|
|
if (g_cRefThisDll)
|
|
{
|
|
return S_FALSE;
|
|
}
|
|
|
|
DebugMsg(DM_TRACE, TEXT("sc TR - DllCanUnloadNow returning S_OK (bye, bye...)"));
|
|
|
|
return S_OK;
|
|
}
|