windows-server-2003/ds/security/services/ca/certmmc/about.cpp

// This is a part of the Microsoft Management Console.
// Copyright (C) Microsoft Corporation, 1995 - 1999
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Management Console and related
// electronic documentation provided with the interfaces.

#include <stdafx.h>

#define __dwFILE__	__dwFILE_CERTMMC_ABOUT_CPP__

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

CSnapinAboutImpl::CSnapinAboutImpl()
{
}


CSnapinAboutImpl::~CSnapinAboutImpl()
{
}


HRESULT CSnapinAboutImpl::AboutHelper(UINT nID, LPOLESTR* lpPtr)
{
    if (lpPtr == NULL)
        return E_POINTER;

    CString s;

    // Needed for Loadstring
    AFX_MANAGE_STATE(AfxGetStaticModuleState());

    s.LoadString(nID);
    *lpPtr = reinterpret_cast<LPOLESTR> 
                ( CoTaskMemAlloc( (s.GetLength()+1)*sizeof(WCHAR) ));

    if (*lpPtr == NULL)
        return E_OUTOFMEMORY;

    // this is freed by mmc, not our tracking
    myRegisterMemFree(*lpPtr, CSM_COTASKALLOC);

	USES_CONVERSION;
    wcscpy(*lpPtr, T2OLE((LPTSTR)(LPCTSTR)s));

    return S_OK;
}

HRESULT CSnapinAboutImpl::AboutHelper2(LPSTR str, LPOLESTR* lpPtr)
{
    HRESULT hr;
    LPWSTR pwszTmp = NULL;

    if (!myConvertSzToWsz(&pwszTmp, str, -1))
    {
	hr = E_OUTOFMEMORY;
	_JumpError(hr, error, "myConvertSzToWsz");
    }

    *lpPtr = reinterpret_cast<LPOLESTR>
        (CoTaskMemAlloc((wcslen(pwszTmp)+1)*sizeof(wchar_t)));
    if (NULL == *lpPtr)
    {
	hr = E_OUTOFMEMORY;
	_JumpError(hr, error, "CoTaskMemAlloc");
    }

    // this is freed by mmc, not our tracking
    myRegisterMemFree(*lpPtr, CSM_COTASKALLOC);

    wcscpy(*lpPtr, pwszTmp);
    hr = S_OK;

error:
    if (NULL != pwszTmp)
    {
	LocalFree(pwszTmp);
    }
    return(hr);
}

STDMETHODIMP CSnapinAboutImpl::GetSnapinDescription(LPOLESTR* lpDescription)
{
    return AboutHelper(IDS_DESCRIPTION, lpDescription);
}


STDMETHODIMP CSnapinAboutImpl::GetProvider(LPOLESTR* lpName)
{
    return AboutHelper(IDS_COMPANY, lpName);
}


STDMETHODIMP CSnapinAboutImpl::GetSnapinVersion(LPOLESTR* lpVersion)
{
    return AboutHelper2(VER_PRODUCTVERSION_STR, lpVersion);
}


STDMETHODIMP CSnapinAboutImpl::GetSnapinImage(HICON* hAppIcon)
{
    if (hAppIcon == NULL)
        return E_POINTER;

    AFX_MANAGE_STATE(AfxGetStaticModuleState());

    // in MMC 1.1, this will be used as root node icon!!
    *hAppIcon = LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDI_APPICON));

    ASSERT(*hAppIcon != NULL);
    return (*hAppIcon != NULL) ? S_OK : E_FAIL;
}


STDMETHODIMP CSnapinAboutImpl::GetStaticFolderImage(HBITMAP* hSmallImage, 
                                                    HBITMAP* hSmallImageOpen,
                                                    HBITMAP* hLargeImage, 
                                                    COLORREF* cLargeMask)
{
	ASSERT(hSmallImage != NULL);
	ASSERT(hSmallImageOpen != NULL);
	ASSERT(hLargeImage != NULL);
	ASSERT(cLargeMask != NULL);
	AFX_MANAGE_STATE(AfxGetStaticModuleState());	// Required for AfxGetInstanceHandle()
	HINSTANCE hInstance = AfxGetInstanceHandle();

    *hSmallImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_COMPUTER_SMALL));
	*hSmallImageOpen = ::LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_COMPUTER_SMALL));
	*hLargeImage = ::LoadBitmap(hInstance, MAKEINTRESOURCE(IDB_COMPUTER_LARGE));

	*cLargeMask = RGB(255, 0, 255);

	#ifdef _DEBUG
	if (NULL == *hSmallImage || NULL == *hSmallImageOpen || NULL == *hLargeImage)
		{
		OutputDebugString(L"WRN: CSnapinAbout::GetStaticFolderImage() - Unable to load all the bitmaps.\n");
		return E_FAIL;
		}
	#endif

    return S_OK;
}