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127 lines
2.4 KiB
127 lines
2.4 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: cfballs.cxx
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//
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// Contents: implementations for CFactory
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//
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// Functions:
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// CCube::CCube
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// CCube::~CCube
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// CCube::QueryInterface
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// CCube::CreateCube
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// CCube::MoveCube
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// CCube::GetCubePos
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//
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// History: 06-Aug-92 Ricksa 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 <ctballs.hxx>
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#include <cfballs.hxx>
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CFactory::CFactory(REFCLSID rclsid, BOOL fServer)
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: _fServer(fServer), _clsid(rclsid), _cRefs(1), _cLocks(0)
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{
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// Header does all the work
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}
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CFactory::~CFactory()
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{
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// Default actions are enough
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}
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STDMETHODIMP CFactory::QueryInterface(REFIID iid, void FAR * FAR * ppv)
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{
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if (IsEqualIID(iid, IID_IUnknown)
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|| IsEqualIID(iid, IID_IClassFactory))
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{
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*ppv = (IUnknown *) this;
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AddRef();
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return ResultFromSCode(S_OK);
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}
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*ppv = NULL;
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return ResultFromSCode(E_NOINTERFACE);
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}
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STDMETHODIMP_(ULONG) CFactory::AddRef(void)
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{
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InterlockedIncrement(&_cRefs);
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if (!_fServer)
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{
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// This is not being used in a server so we want to bump the
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// reference count. In a server we use the lock count rather
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// than the reference count to tell whether we should go away.
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GlobalRefs(TRUE);
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}
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return _cRefs;
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}
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STDMETHODIMP_(ULONG) CFactory::Release(void)
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{
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BOOL fKeepObject = InterlockedDecrement(&_cRefs);
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if (!_fServer)
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{
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// This is not being used in a server so we want to bump the
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// reference count. In a server we use the lock count rather
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// than the reference count to tell whether we should go away.
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GlobalRefs(FALSE);
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}
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if (!fKeepObject)
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{
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delete this;
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return 0;
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}
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return _cRefs;
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}
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STDMETHODIMP CFactory::CreateInstance(
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IUnknown FAR* pUnkOuter,
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REFIID iidInterface,
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void FAR* FAR* ppv)
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{
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if (pUnkOuter != NULL)
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{
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// Object does not support aggregation
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return ResultFromSCode(E_NOINTERFACE);
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}
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CTestBalls *ptballs = new CTestBalls(_clsid);
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HRESULT hr = ptballs->QueryInterface(iidInterface, ppv);
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ptballs->Release();
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return hr;
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}
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STDMETHODIMP CFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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{
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InterlockedIncrement(&_cLocks);
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GlobalRefs(TRUE);
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}
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else
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{
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InterlockedDecrement(&_cLocks);
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GlobalRefs(FALSE);
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}
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return ResultFromSCode(S_OK);
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}
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