www.pudn.com > TVToolbar_demo > ClsFact.cpp

///////////////////////////////////////////////////////////////////////////// 
// ClsFact.cpp - CClassFactory Implementation 
// 
///////////////////////////////////////////////////////////////////////////// 
// 
/************************************************************** 
**        __                                          __ 
**     __/_/__________________________________________\_\__ 
**  __|_                                                  |__ 
** (___O)       William SerGio & Co., Inc.               (O___) 
**(_____O)	    www.codearchive.com/~sergio			    (O_____) 
**(_____O)		Author:	Bill SerGio				        (O_____) 
** (__O)		                    					 (O__) 
**    |___________________________________________________| 
****************************************************************/ 
/* 
 * (C) Copyright 1997-1999 by William SerGio, All Rights Reserved Worldwide. 
 * 20547 Old Cutler Road, PMB #222, Miami, FL 33189 
 * www.codearchive.com/~sergio   sergio@codearchive.com  (305)233-7654 
 * NO PART of this code may be used for any comercial purposes whatsoever. 
 * Patents Pending regarding design and user interface concepts embodied herein. 
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted under this non-exclusive license for NON-COMMERCIAL USE ONLY 
 * provided that the following conditions are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. Licensee does not utilize the software in a manner which is disparaging 
 *    to the Author and/or any products or companies of the Author. 
 * 4. This code/software may NOT be used for any commercial purpose whatsoever 
 *    or by any government, federal agency, or, any employee or agent of any  
 *    government or federal agency. This software is not designed or intended for  
 *    use in on-line control of aircraft, air traffic, aircraft navigation or  
 *    aircraft communications; or in design, construction, operation or maintenance  
 *    of any nuclear facility. Licensee represents and warrants that it will not use 
 *    or redistribute the Software for such purposes. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR FOR EDUCATIONAL PURPOSES ONLY, 
 * 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS, 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION), 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 * 
 * NOTICE: 
 * Contact author regarding commercial licensing of this code. 
 * The marks: TV Toolbar(tm), TVToolbar(tm), 3D TV Toolbar(tm), 3D TVToolbar(tm), 
 * SlickSkins(tm), VideoSkins(tm), LiquidVideo(tm), Email Anywhere(tm), SpeedE(tm), 
 * Windows SuperCharger(tm), Internet SuperCharger(tm), 1st Place(tm), SpeedD(tm),  
 * Speed Demon(tm), LiquidDesktop(tm), VideoAnywhere(tm) are copyrights and trademarks  
 * of William SerGio & Co., Inc. and may NOT be used in any way whatsoever. 
 * 
 */ 
 
 
#include "stdafx.h" 
#include "resource.h" 
#include "ClsFact.h" 
#include "Guid.h" 
 
/////////////////////////////////////////////////////////////////////////// 
// IClassFactory Methods 
// 
 
CClassFactory::CClassFactory(CLSID clsid) 
   : m_cRef(1), 
     m_clsidObject(clsid) 
      
{ 
   InterlockedIncrement(&g_cDllRefCount); 
} 
 
CClassFactory::~CClassFactory() 
{ 
   InterlockedDecrement(&g_cDllRefCount); 
} 
 
STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, LPVOID* ppvObject) 
{ 
   *ppvObject = NULL; 
 
   if (IsEqualIID(riid, IID_IUnknown)) 
      *ppvObject = this; 
   else if(IsEqualIID(riid, IID_IClassFactory)) 
      *ppvObject = static_cast(this); 
 
   if (*ppvObject) 
   { 
      static_cast(*ppvObject)->AddRef(); 
      return S_OK; 
   } 
 
   return E_NOINTERFACE; 
}                                              
 
STDMETHODIMP_(ULONG) CClassFactory::AddRef() 
{ 
   return InterlockedIncrement(&m_cRef); 
} 
 
STDMETHODIMP_(ULONG) CClassFactory::Release() 
{ 
   if (0 == InterlockedDecrement(&m_cRef)) 
   { 
      delete this; 
      return 0; 
   } 
    
   return m_cRef; 
} 
 
STDMETHODIMP CClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, LPVOID* ppvObject) 
{ 
   HRESULT hr = E_FAIL; 
   LPVOID  pTemp = NULL; 
 
   *ppvObject = NULL; 
 
   if (pUnkOuter != NULL) 
      return CLASS_E_NOAGGREGATION; 
 
   // Create proper object, it feels so good! 
   // 
   if (IsEqualCLSID(m_clsidObject, CLSID_WBToolBar)) 
   { 
      CWBToolBar* pWBToolBar = new CWBToolBar(); 
 
      if (NULL == pWBToolBar) 
         return E_OUTOFMEMORY; 
    
      pTemp = pWBToolBar; 
   } 
   
   if (pTemp) 
   { 
      // Become a queer, and QI for requested interface 
	  // 
      hr = (static_cast(pTemp))->QueryInterface(riid, ppvObject); 
 
      // Call release to go down on the wet ref count 
      // 
	  (static_cast(pTemp))->Release(); 
   } 
 
   return hr; 
} 
 
STDMETHODIMP CClassFactory::LockServer(BOOL) 
{ 
   return E_NOTIMPL; 
}