259 lines
6.7 KiB
C++
259 lines
6.7 KiB
C++
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//*************************************************************
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// File name: ABOUT.CPP
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//
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// Description: About information for the Group Policy Editor
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//
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//
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// Microsoft Confidential
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// Copyright (c) Microsoft Corporation 1998
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// All rights reserved
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//
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//*************************************************************
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#include "main.h"
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///////////////////////////////////////////////////////////////////////////////
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// //
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// CAboutGPE implementation //
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// //
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///////////////////////////////////////////////////////////////////////////////
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CAboutGPE::CAboutGPE(BOOL fRSOP) : m_smallImage( 0 ), m_largeImage( 0 )
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{
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m_fRSOP = fRSOP;
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InterlockedIncrement(&g_cRefThisDll);
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m_cRef = 1;
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}
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CAboutGPE::~CAboutGPE()
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{
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InterlockedDecrement(&g_cRefThisDll);
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if ( m_smallImage )
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{
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DeleteObject( m_smallImage );
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}
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if ( m_largeImage )
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{
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DeleteObject( m_largeImage );
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// CAboutGPE object implementation (IUnknown) //
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// //
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///////////////////////////////////////////////////////////////////////////////
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HRESULT CAboutGPE::QueryInterface (REFIID riid, void **ppv)
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{
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if (IsEqualIID(riid, IID_ISnapinAbout))
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{
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*ppv = (LPSNAPABOUT)this;
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m_cRef++;
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return S_OK;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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}
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ULONG CAboutGPE::AddRef (void)
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{
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return ++m_cRef;
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}
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ULONG CAboutGPE::Release (void)
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{
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if (--m_cRef == 0) {
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delete this;
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return 0;
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}
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return m_cRef;
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// CAboutGPE object implementation (ISnapinAbout) //
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// //
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///////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CAboutGPE::GetSnapinDescription(LPOLESTR *lpDescription)
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{
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LPTSTR lpBuffer;
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lpBuffer = (LPTSTR) CoTaskMemAlloc (256 * sizeof(TCHAR));
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if (lpBuffer)
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{
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LoadString (g_hInstance, m_fRSOP? IDS_RSOP_SNAPIN_DESCRIPT : IDS_SNAPIN_DESCRIPT, lpBuffer, 256);
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*lpDescription = lpBuffer;
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}
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return S_OK;
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}
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STDMETHODIMP CAboutGPE::GetProvider(LPOLESTR *lpName)
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{
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LPTSTR lpBuffer;
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lpBuffer = (LPTSTR) CoTaskMemAlloc (50 * sizeof(TCHAR));
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if (lpBuffer)
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{
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LoadString (g_hInstance, IDS_PROVIDER_NAME, lpBuffer, 50);
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*lpName = lpBuffer;
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}
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return S_OK;
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}
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STDMETHODIMP CAboutGPE::GetSnapinVersion(LPOLESTR *lpVersion)
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{
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LPTSTR lpBuffer;
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lpBuffer = (LPTSTR) CoTaskMemAlloc (50 * sizeof(TCHAR));
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if (lpBuffer)
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{
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LoadString (g_hInstance, IDS_SNAPIN_VERSION, lpBuffer, 50);
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*lpVersion = lpBuffer;
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}
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return S_OK;
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}
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STDMETHODIMP CAboutGPE::GetSnapinImage(HICON *hAppIcon)
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{
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*hAppIcon = LoadIcon (g_hInstance, MAKEINTRESOURCE(IDI_POLICY));
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return S_OK;
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}
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STDMETHODIMP CAboutGPE::GetStaticFolderImage(HBITMAP *hSmallImage,
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HBITMAP *hSmallImageOpen,
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HBITMAP *hLargeImage,
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COLORREF *cMask)
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{
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if ( !m_smallImage )
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{
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m_smallImage = (HBITMAP) LoadImage (g_hInstance, MAKEINTRESOURCE(IDB_POLICY16),
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IMAGE_BITMAP,
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16, 16, LR_DEFAULTCOLOR);
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}
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if ( !m_largeImage )
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{
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m_largeImage = (HBITMAP) LoadImage (g_hInstance, MAKEINTRESOURCE(IDB_POLICY32),
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IMAGE_BITMAP,
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32, 32, LR_DEFAULTCOLOR);
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}
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*hLargeImage = m_largeImage;
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*hSmallImage = *hSmallImageOpen = m_smallImage;
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*cMask = RGB(255,0,255);
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return S_OK;
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Class factory object implementation //
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// //
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///////////////////////////////////////////////////////////////////////////////
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CAboutGPECF::CAboutGPECF(BOOL fRSOP)
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{
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m_fRSOP = fRSOP;
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m_cRef = 1;
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InterlockedIncrement(&g_cRefThisDll);
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}
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CAboutGPECF::~CAboutGPECF()
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{
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InterlockedDecrement(&g_cRefThisDll);
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Class factory object implementation (IUnknown) //
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// //
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///////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CAboutGPECF::AddRef()
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{
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return ++m_cRef;
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}
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STDMETHODIMP_(ULONG)
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CAboutGPECF::Release()
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{
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if (--m_cRef == 0)
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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 m_cRef;
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}
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STDMETHODIMP
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CAboutGPECF::QueryInterface(REFIID riid, LPVOID FAR* ppv)
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{
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if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory))
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{
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*ppv = (LPCLASSFACTORY)this;
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m_cRef++;
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return S_OK;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Class factory object implementation (IClassFactory) //
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// //
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///////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CAboutGPECF::CreateInstance(LPUNKNOWN pUnkOuter,
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REFIID riid,
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LPVOID FAR* ppvObj)
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{
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*ppvObj = NULL;
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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CAboutGPE *pAboutGPE = new CAboutGPE(m_fRSOP); // ref count == 1
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if (!pAboutGPE)
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return E_OUTOFMEMORY;
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HRESULT hr = pAboutGPE->QueryInterface(riid, ppvObj);
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pAboutGPE->Release(); // release initial ref
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return hr;
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}
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STDMETHODIMP
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CAboutGPECF::LockServer(BOOL fLock)
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{
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return E_NOTIMPL;
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}
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