shared source/wpf/src/host/shimimpl/classfactory.hxx

   1 //+-----------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  Description:
   6 //     Defines the ClassFactory of PresentationHost.
   7 //
   8 // History:
   9 //      2002/06/12-murrayw
  10 //          Created
  11 //      2007/09/20-[....]
  12 //          Ported Windows->DevDiv. See SourcesHistory.txt.
  13 //
  14 //------------------------------------------------------------------------
  15
  16 #pragma once
  17
  18 //******************************************************************************
  19 //
  20 //    CClassFactory class definition
  21 //
  22 //******************************************************************************
  23
  24 #define MAX_TOKENS 2
  25
  26 class CClassFactory : public IClassFactory
  27 {
  28 protected:
  29     static DWORD s_dwRegistrationToken[MAX_TOKENS];
  30     static LPCLSID s_clsIdActivated;
  31
  32 protected:
  33     REFCLSID m_clsId;
  34     DWORD m_ObjRefCount;
  35
  36     HRESULT RegisterClassObject(DWORD& dwRegistrationToken);
  37     void SetActivatedClsId(__in REFCLSID clsId) { s_clsIdActivated = (LPCLSID) &clsId; }
  38
  39 private:
  40     CClassFactory(const CClassFactory &src); // not implemented
  41     void operator=(const CClassFactory &src); // not implemented
  42 public:
  43     CClassFactory(__in REFCLSID clsId);
  44     ~CClassFactory();
  45
  46     // Methods for registering/unregistering CLSIDs
  47     static HRESULT RegisterClassObjects();
  48     static void RevokeAllClassObjects();
  49     static LPCLSID GetActivatedClsId() { return CClassFactory::s_clsIdActivated; }
  50
  51     //IUnknown methods
  52     STDMETHODIMP QueryInterface(REFIID, __out LPVOID*);
  53     STDMETHODIMP_(DWORD) AddRef();
  54     STDMETHODIMP_(DWORD) Release();
  55
  56     //IClassFactory methods
  57     STDMETHODIMP CreateInstance(__in LPUNKNOWN, REFIID, __out LPVOID*);
  58     STDMETHODIMP LockServer(BOOL);
  59 };