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152 lines
4.2 KiB
152 lines
4.2 KiB
//+-------------------------------------------------------------------
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//
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// File: mixedcf.cxx
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//
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// Contents: class factory object implementation for implementing
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// multiple classes in the same factory code.
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//
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// Classes: CMixedClassFactory
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <mixedcf.hxx> // class definiton
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#include <cqi.hxx> // CQI
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#include <cballs.hxx> // CBallCtrlUnk
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#include <ccubes.hxx> // CCubes
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#include <cloop.hxx> // CLoop
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#if 0 // These are defined in the header files, but left here for reference.
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const GUID CLSID_QI =
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{0x00000140,0x0000,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
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const GUID CLSID_QIHANDLER =
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{0x00000141,0x0000,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
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const GUID CLSID_Balls =
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{0x0000013a,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
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const GUID CLSID_Loop =
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{0x0000013c,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
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#endif
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const GUID CLSID_Cubes =
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{0x0000013b,0x0001,0x0008,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
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//+-------------------------------------------------------------------
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//
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// Member: CMixedClassFactory::CMixedClassFactory, public
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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CMixedClassFactory::CMixedClassFactory(REFCLSID rclsid) : _clsid(rclsid)
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{
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ENLIST_TRACKING(CMixedClassFactory);
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}
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//+-------------------------------------------------------------------
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//
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// Member: CMixedClassFactory::~CMixedClassFactory, public
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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CMixedClassFactory::~CMixedClassFactory(void)
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{
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// automatic actions do the rest of the work
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}
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//+-------------------------------------------------------------------
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//
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// Member: CMixedClassFactory::QueryInterface, public
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//
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// Algorithm: if the interface is not one implemented by us,
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// pass the request to the proxy manager
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CMixedClassFactory::QueryInterface(REFIID riid, void **ppUnk)
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{
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_IClassFactory))
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{
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*ppUnk = (void *)(IClassFactory *) this;
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AddRef();
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return S_OK;
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}
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*ppUnk = NULL;
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return E_NOINTERFACE;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CMixedClassFactory::CreateInstance, public
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//
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// Synopsis: create a new object with the same class
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CMixedClassFactory::CreateInstance(IUnknown *punkOuter,
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REFIID riid,
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void **ppunkObject)
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{
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HRESULT hr = E_OUTOFMEMORY;
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*ppunkObject = NULL; // in case of failure
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// create a new object.
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IUnknown *pUnk = NULL;
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if (IsEqualCLSID(_clsid, CLSID_QI) ||
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IsEqualCLSID(_clsid, CLSID_QIHANDLER))
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{
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pUnk = (IUnknown *) new CQI(_clsid);
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}
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else if (IsEqualCLSID(_clsid, CLSID_Balls))
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{
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pUnk = (IUnknown *) new CBallCtrlUnk(NULL);
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}
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else if (IsEqualCLSID(_clsid, CLSID_Cubes))
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{
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pUnk = (IUnknown *) new CCube();
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}
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else if (IsEqualCLSID(_clsid, CLSID_Loop))
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{
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pUnk = (IUnknown *) new CLoop();
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}
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if (pUnk)
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{
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// get the interface the caller wants to use
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hr = pUnk->QueryInterface(riid, ppunkObject);
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pUnk->Release();
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}
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return hr;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CMixedClassFactory::LockServer, public
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//
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// Synopsis: create a new object with the same class
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//
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// History: 23-Nov-92 Rickhi Created
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CMixedClassFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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GlobalRefs(TRUE);
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else
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GlobalRefs(FALSE);
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return S_OK;
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}
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