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windows-server-2003/inetcore/outlookexpress/inetcomm/common/attach.cpp

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/*
* a t t a c h . c p p
*
* Purpose:
* Attachment utilities
*
* History
*
* Copyright (C) Microsoft Corp. 1995, 1996.
*/
#include <pch.hxx>
#include "dllmain.h"
#include "resource.h"
#include "error.h"
#include "mimeolep.h"
#include "shellapi.h"
#include "shlobj.h"
#include "shlwapi.h"
#include "shlwapip.h"
#include "mimeole.h"
#include "commdlg.h"
#include "demand.h"
#include "saferun.h"
ASSERTDATA
/*
* t y p e d e f s
*/
/*
* m a c r o s
*/
/*
* c o n s t a n t s
*/
#define MAX_CHARS_FOR_NUM 20
static const CHAR c_szWebMark[] = "<!-- saved from url=(0022)http://internet.e-mail -->\r\n";
static const WCHAR c_wszWebMark[] = L"<!-- saved from url=(0022)http://internet.e-mail -->\r\n";
/*
* g l o b a l s
*/
/*
* p r o t o t y p e s
*/
HRESULT HrCleanTempFile(LPATTACHDATA pAttach);
HRESULT HrGetTempFile(IMimeMessage *pMsg, LPATTACHDATA lpAttach);
DWORD AthGetShortPathName(LPCWSTR lpszLongPath, LPWSTR lpszShortPath, DWORD cchBuffer);
STDAPI HrGetAttachIconByFile(LPWSTR szFilename, BOOL fLargeIcon, HICON *phIcon)
{
HICON hIcon = NULL;
LPWSTR lpszExt;
SHFILEINFOW rShFileInfo;
if (szFilename)
{
// Does the file exist already ?
if ((UINT)GetFileAttributesWrapW(szFilename) != (UINT)-1)
{
// Try to get the icon out of the file
SHGetFileInfoWrapW(szFilename, 0, &rShFileInfo, sizeof(rShFileInfo), SHGFI_ICON |(fLargeIcon ? 0 : SHGFI_SMALLICON));
hIcon=rShFileInfo.hIcon;
}
else
if (lpszExt = PathFindExtensionW(szFilename))
{
// Lookup the icon for lpszExt
SHGetFileInfoWrapW(lpszExt, FILE_ATTRIBUTE_NORMAL, &rShFileInfo, sizeof (rShFileInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_ICON | (fLargeIcon ? 0 : SHGFI_SMALLICON));
hIcon=rShFileInfo.hIcon;
}
}
if (!hIcon)
hIcon = CopyIcon(LoadIcon (g_hLocRes, MAKEINTRESOURCE (idiDefaultAtt)));
*phIcon=hIcon;
return S_OK;
}
STDAPI HrGetAttachIcon(IMimeMessage *pMsg, HBODY hAttach, BOOL fLargeIcon, HICON *phIcon)
{
// Locals
HRESULT hr = S_OK;
LPWSTR lpszFile=0;
if (!phIcon || !hAttach || !pMsg)
return E_INVALIDARG;
*phIcon=NULL;
// Get file name for body part. If get an error, doesn't matter. Still use
// a default icon that will be provided through HrGetAttachIconByFile
MimeOleGetBodyPropW(pMsg, hAttach, PIDTOSTR(PID_ATT_GENFNAME), NOFLAGS, &lpszFile);
hr = HrGetAttachIconByFile(lpszFile, fLargeIcon, phIcon);
SafeMemFree(lpszFile);
return hr;
}
//
// GetUIVersion()
//
// returns the version of shell32
// 3 == win95 gold / NT4
// 4 == IE4 Integ / win98
// 5 == win2k / millennium
//
UINT GetUIVersion()
{
static UINT s_uiShell32 = 0;
if (s_uiShell32 == 0)
{
HINSTANCE hinst = LoadLibrary("SHELL32.DLL");
if (hinst)
{
DLLGETVERSIONPROC pfnGetVersion = (DLLGETVERSIONPROC)GetProcAddress(hinst, "DllGetVersion");
DLLVERSIONINFO dllinfo;
dllinfo.cbSize = sizeof(DLLVERSIONINFO);
if (pfnGetVersion && pfnGetVersion(&dllinfo) == NOERROR)
s_uiShell32 = dllinfo.dwMajorVersion;
else
s_uiShell32 = 3;
FreeLibrary(hinst);
}
}
return s_uiShell32;
}
STDAPI HrDoAttachmentVerb(HWND hwnd, ULONG uVerb, IMimeMessage *pMsg, LPATTACHDATA pAttach)
{
HRESULT hr = S_OK;
SHELLEXECUTEINFOW rShellExec;
LPSTREAM lpstmAtt = NULL;
LPWSTR lpszShortName = NULL,
lpszParameters = NULL,
lpszExt = NULL;
DWORD dwFlags;
WCHAR szCommand[MAX_PATH];
HKEY hKeyAssoc = NULL;
AssertSz( uVerb < AV_MAX, "Bad Verb");
if (uVerb == AV_PROPERTIES)
{
AssertSz(FALSE, "AV_PROPERTIES is NYI!!");
return E_NOTIMPL;
}
if (!pAttach)
return E_INVALIDARG;
// Save As - much simpler case
if (uVerb == AV_SAVEAS)
{
hr=HrSaveAttachmentAs(hwnd, pMsg, pAttach);
goto error; // done
}
// If opening attachment, lets verify thsi
if (uVerb == AV_OPEN)
{
// If nVerb is to open the attachment, lets verify that with the user
hr = IsSafeToRun(hwnd, pAttach->szFileName, TRUE);
if (hr == MIMEEDIT_E_USERCANCEL) // map mimeedit error to athena error
hr = hrUserCancel;
if (FAILED(hr)) // user doesn't want to do this
goto error;
if (hr == MIMEEDIT_S_SAVEFILE)
{
hr=HrSaveAttachmentAs(hwnd, pMsg, pAttach);
// done
goto error;
}
}
// get temp file
hr = HrGetTempFile(pMsg, pAttach);
if (FAILED(hr))
goto error;
Assert(lstrlenW(pAttach->szTempFile));
// Setup Shell Execute Info Struct
ZeroMemory (&rShellExec, sizeof (rShellExec));
rShellExec.cbSize = sizeof (rShellExec);
rShellExec.fMask = SEE_MASK_NOCLOSEPROCESS;
rShellExec.hwnd = hwnd;
rShellExec.nShow = SW_SHOWNORMAL;
// Verb
if (uVerb == AV_OPEN)
{
// Were going to run the file
hr = VerifyTrust(hwnd, pAttach->szFileName, pAttach->szTempFile);
if (FAILED(hr))
{
hr = hrUserCancel;
goto error;
}
StrCpyNW(szCommand, pAttach->szTempFile, ARRAYSIZE(szCommand));
rShellExec.lpFile = szCommand;
// If the file does not have an associated type, do an OpenAs.
// We're not testing the result of AssocQueryKeyW because even if it fails,
// we want to try to open the file.
lpszExt = PathFindExtensionW(pAttach->szTempFile);
AssocQueryKeyW(NULL, ASSOCKEY_CLASS, lpszExt, NULL, &hKeyAssoc);
if((hKeyAssoc == NULL) && (GetUIVersion() != 5))
rShellExec.lpVerb = L"OpenAs";
else
RegCloseKey(hKeyAssoc);
}
else if (uVerb == AV_PRINT)
{
StrCpyNW(szCommand, pAttach->szTempFile, ARRAYSIZE(szCommand));
rShellExec.lpFile = szCommand;
rShellExec.lpVerb = L"Print";
}
else if (uVerb == AV_QUICKVIEW)
{
UINT uiSysDirLen;
const WCHAR c_szSubDir[] = L"\\VIEWERS\\QUIKVIEW.EXE";
// Find out where the viewer lives
uiSysDirLen = GetSystemDirectoryWrapW(szCommand, ARRAYSIZE(szCommand));
if (0 == uiSysDirLen || uiSysDirLen >= ARRAYSIZE(szCommand) ||
uiSysDirLen + ARRAYSIZE(c_szSubDir) > ARRAYSIZE(szCommand))
{
hr = E_FAIL;
goto error;
}
StrCpyNW(szCommand + uiSysDirLen, c_szSubDir, ARRAYSIZE(szCommand) - uiSysDirLen);
// Alloc for short file name
ULONG cchShortName = MAX_PATH + lstrlenW(pAttach->szTempFile) + 1;
if (!MemAlloc ((LPVOID *)&lpszShortName, cchShortName * sizeof (WCHAR)))
{
hr = E_OUTOFMEMORY;
goto error;
}
// Alloc a string for the parameters
ULONG cchParameters = 30 + cchShortName;
if (!MemAlloc ((LPVOID *)&lpszParameters, cchParameters * sizeof (WCHAR)))
{
hr = E_OUTOFMEMORY;
goto error;
}
// Get Short File Name
if (0 == AthGetShortPathName(pAttach->szTempFile, lpszShortName, cchShortName))
StrCpyNW(lpszShortName, pAttach->szTempFile, cchShortName);
// Put together the paramenters for QVSTUB.EXE
Assert(cchParameters > cchShortName);
StrCpyNW(lpszParameters, L"-v -f:", cchParameters);
StrCatBuffW(lpszParameters, lpszShortName, cchParameters);
// Setup Shellexec
rShellExec.lpParameters = lpszParameters;
rShellExec.lpFile = szCommand;
}
else
Assert (FALSE);
if (fIsNT5()) // quoted paths cause problems downlevel
PathQuoteSpacesW(szCommand);
// Execute it - even if this fails, we handled it - it will give a good error
ShellExecuteExWrapW(&rShellExec);
pAttach->hProcess = rShellExec.hProcess;
error:
MemFree(lpszParameters);
MemFree(lpszShortName);
return hr;
}
DWORD AthGetShortPathName(LPCWSTR pwszLongPath, LPWSTR pwszShortPath, DWORD cchBuffer)
{
CHAR szShortPath[MAX_PATH*2]; // Each Unicode char might go multibyte
LPSTR pszLongPath = NULL;
DWORD result = 0;
Assert(pwszLongPath);
pszLongPath = PszToANSI(CP_ACP, pwszLongPath);
if (pszLongPath)
{
result = GetShortPathName(pszLongPath, szShortPath, ARRAYSIZE(szShortPath));
if (result && result <= ARRAYSIZE(szShortPath))
{
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szShortPath, lstrlen(szShortPath), pwszShortPath, cchBuffer);
pwszShortPath[cchBuffer - 1] = 0;
}
MemFree(pszLongPath);
}
return result;
}
STDAPI HrAttachDataFromBodyPart(IMimeMessage *pMsg, HBODY hAttach, LPATTACHDATA *ppAttach)
{
LPATTACHDATA pAttach;
LPWSTR pszW;
IMimeBodyW *pBody;
Assert (pMsg && ppAttach && hAttach);
if (!MemAlloc((LPVOID *)&pAttach, sizeof(ATTACHDATA)))
return E_OUTOFMEMORY;
// fill in attachment data
ZeroMemory(pAttach, sizeof(ATTACHDATA));
if (pMsg->BindToObject(hAttach, IID_IMimeBodyW, (LPVOID *)&pBody)==S_OK)
{
if (pBody->GetDisplayNameW(&pszW)==S_OK)
{
StrCpyNW(pAttach->szDisplay, pszW, ARRAYSIZE(pAttach->szDisplay));
MemFree(pszW);
}
ReleaseObj(pBody);
}
if (MimeOleGetBodyPropW(pMsg, hAttach, PIDTOSTR(PID_ATT_GENFNAME), NOFLAGS, &pszW)==S_OK)
{
if(IsPlatformWinNT() != S_OK)
{
CHAR pszFile[MAX_PATH*2];
DWORD cchSizeW = (lstrlenW(pszW) + 1);
WideCharToMultiByte(CP_ACP, 0, pszW, -1, pszFile, ARRAYSIZE(pszFile), NULL, NULL);
pszFile[ARRAYSIZE(pszFile) - 1] = '\0';
MultiByteToWideChar(CP_ACP, 0, pszFile, -1, pszW, cchSizeW);
pszW[cchSizeW - 1] = 0;
CleanupFileNameInPlaceW(pszW);
}
StrCpyNW(pAttach->szFileName, pszW, ARRAYSIZE(pAttach->szFileName));
MemFree(pszW);
}
SideAssert(HrGetAttachIcon(pMsg, hAttach, FALSE, &pAttach->hIcon)==S_OK);
pAttach->hAttach = hAttach;
pAttach->fSafe = (IsSafeToRun(NULL, pAttach->szFileName, FALSE) == MIMEEDIT_S_OPENFILE);
*ppAttach = pAttach;
return S_OK;
}
STDAPI HrAttachDataFromFile(IStream *pstm, LPWSTR pszFileName, LPATTACHDATA *ppAttach)
{
LPATTACHDATA pAttach=0;
LPMIMEBODY pBody=0;
HRESULT hr;
int cFileNameLength;
Assert(ppAttach);
if (!MemAlloc((LPVOID *)&pAttach, sizeof(ATTACHDATA)))
return E_OUTOFMEMORY;
// fill in attachment data
ZeroMemory(pAttach, sizeof(ATTACHDATA));
HrGetDisplayNameWithSizeForFile(pszFileName, pAttach->szDisplay, ARRAYSIZE(pAttach->szDisplay));
StrCpyNW(pAttach->szFileName, pszFileName, ARRAYSIZE(pAttach->szFileName));
if (!pstm)
{
// for new attachments set tempfile to be the same as filename
// note: if creating from an IStream then pszFileName is not a valid path
// we can create a tempfile later
StrCpyNW(pAttach->szTempFile, pszFileName, ARRAYSIZE(pAttach->szTempFile));
}
ReplaceInterface(pAttach->pstm, pstm);
SideAssert(HrGetAttachIconByFile(pszFileName, FALSE, &pAttach->hIcon)==S_OK);
if (ppAttach)
*ppAttach=pAttach;
return S_OK;
}
STDAPI HrFreeAttachData(LPATTACHDATA pAttach)
{
if (pAttach)
{
HrCleanTempFile(pAttach);
ReleaseObj(pAttach->pstm);
if (pAttach->hIcon)
DestroyIcon(pAttach->hIcon);
MemFree(pAttach);
}
return NOERROR;
}
HRESULT HrCleanTempFile(LPATTACHDATA pAttach)
{
if (pAttach)
{
if (*pAttach->szTempFile && pAttach->hAttach)
{
// we only clean the tempfile if hAttach != NULL. Otherwise we assume it's a new attachment
// and szTempFile points to the source file
// If the file was launched, don't delete the temp file if the process still has it open
if (pAttach->hProcess)
{
if (WaitForSingleObject (pAttach->hProcess, 0) == WAIT_OBJECT_0)
DeleteFileWrapW(pAttach->szTempFile);
}
else
DeleteFileWrapW(pAttach->szTempFile);
}
*pAttach->szTempFile = NULL;
pAttach->hProcess=NULL;
}
return NOERROR;
}
HRESULT HrAttachSafetyFromBodyPart(IMimeMessage *pMsg, HBODY hAttach, BOOL *pfSafe)
{
LPWSTR pszW = NULL;
Assert (pMsg && pfSafe && hAttach);
*pfSafe = FALSE;
if (MimeOleGetBodyPropW(pMsg, hAttach, PIDTOSTR(PID_ATT_GENFNAME), NOFLAGS, &pszW)==S_OK)
{
if(IsPlatformWinNT() != S_OK)
{
CHAR pszFile[MAX_PATH*2];
DWORD cchSizeW = lstrlenW(pszW)+1;
WideCharToMultiByte(CP_ACP, 0, pszW, -1, pszFile, ARRAYSIZE(pszFile), NULL, NULL);
pszFile[ARRAYSIZE(pszFile) - 1] = 0;
MultiByteToWideChar(CP_ACP, 0, pszFile, -1, pszW, cchSizeW);
pszW[cchSizeW - 1] = 0;
CleanupFileNameInPlaceW(pszW);
}
*pfSafe = (IsSafeToRun(NULL, pszW, FALSE) == MIMEEDIT_S_OPENFILE);
MemFree(pszW);
}
return S_OK;
}
STDAPI HrGetDisplayNameWithSizeForFile(LPWSTR pszPathName, LPWSTR pszDisplayName, int cchMaxDisplayName)
{
HANDLE hFile;
DWORD uFileSize;
WCHAR szSize[MAX_CHARS_FOR_NUM+1+3],
szBuff[MAX_CHARS_FOR_NUM+1];
LPWSTR pszFileName = NULL,
pszFirst;
int iSizeLen = 0,
iLenFirst;
szSize[0] = L'\0';
hFile = CreateFileWrapW(pszPathName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (INVALID_HANDLE_VALUE != hFile)
{
uFileSize = GetFileSize(hFile, NULL);
CloseHandle(hFile);
if ((uFileSize != 0xffffffff) && StrFormatByteSizeW(uFileSize, szBuff, ARRAYSIZE(szBuff) - 1))
{
StrCpyNW(szSize, L" (", ARRAYSIZE(szSize));
StrCatBuffW(szSize, szBuff, ARRAYSIZE(szSize));
StrCatBuffW(szSize, L")", ARRAYSIZE(szSize));
}
}
pszFileName = PathFindFileNameW(pszPathName);
iSizeLen = lstrlenW(szSize);
if (pszFileName)
pszFirst = pszFileName;
else
pszFirst = pszPathName;
iLenFirst = lstrlenW(pszFirst);
StrCpyNW(pszDisplayName, pszFirst, cchMaxDisplayName);
if (iLenFirst + iSizeLen + 1 > cchMaxDisplayName)
return E_FAIL;
StrCpyNW(pszDisplayName + iLenFirst, szSize, cchMaxDisplayName - iLenFirst);
return S_OK;
}
STDAPI HrSaveAttachmentAs(HWND hwnd, IMimeMessage *pMsg, LPATTACHDATA lpAttach)
{
HRESULT hr = S_OK;
OPENFILENAMEW ofn;
WCHAR szTitle[CCHMAX_STRINGRES],
szFilter[CCHMAX_STRINGRES],
szFile[MAX_PATH];
*szFile=0;
*szFilter=0;
*szTitle=0;
Assert (lpAttach->szFileName);
if (lpAttach->szFileName)
StrCpyNW(szFile, lpAttach->szFileName, ARRAYSIZE(szFile));
ZeroMemory (&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwnd;
LoadStringWrapW(g_hLocRes, idsFilterAttSave, szFilter, ARRAYSIZE(szFilter));
ReplaceCharsW(szFilter, L'|', L'\0');
ofn.lpstrFilter = szFilter;
ofn.nFilterIndex = 1;
ofn.lpstrFile = szFile;
ofn.nMaxFile = ARRAYSIZE(szFile);
LoadStringWrapW(g_hLocRes, idsSaveAttachmentAs, szTitle, ARRAYSIZE(szTitle));
ofn.lpstrTitle = szTitle;
ofn.Flags = OFN_NOCHANGEDIR | OFN_NOREADONLYRETURN | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY;
// Show SaveAs Dialog
if (HrAthGetFileNameW(&ofn, FALSE) != S_OK)
{
hr = hrUserCancel;
goto error;
}
if (lpAttach->hAttach == NULL)
{
if (!PathFileExistsW(lpAttach->szFileName))
{
hr = hrNotFound;
goto error;
}
// if hAttach == NULL then try and copy the file
CopyFileWrapW(lpAttach->szFileName, szFile, TRUE);
}
else
{
// Verify the Attachment's Stream
hr=HrSaveAttachToFile(pMsg, lpAttach->hAttach, szFile);
if (FAILED(hr))
goto error;
}
error:
return hr;
}
HRESULT HrGetTempFile(IMimeMessage *pMsg, LPATTACHDATA lpAttach)
{
HRESULT hr;
if (*lpAttach->szTempFile)
return S_OK;
if (!FBuildTempPathW(lpAttach->szFileName, lpAttach->szTempFile, ARRAYSIZE(lpAttach->szTempFile), FALSE))
{
hr = E_FAIL;
goto error;
}
if (lpAttach->hAttach)
{
hr=HrSaveAttachToFile(pMsg, lpAttach->hAttach, lpAttach->szTempFile);
if (FAILED(hr))
goto error;
}
else
{
AssertSz(lpAttach->pstm, "if no hAttach then pstm should be set");
hr = WriteStreamToFileW(lpAttach->pstm, lpAttach->szTempFile, CREATE_ALWAYS, GENERIC_WRITE);
if (FAILED(hr))
goto error;
}
error:
if (FAILED(hr))
{
// Null out temp file as we didn't really create it
*(lpAttach->szTempFile)=0;
}
return hr;
}
const BYTE c_rgbUTF[3] = {0xEF, 0xBB, 0xBF};
STDAPI HrSaveAttachToFile(IMimeMessage *pMsg, HBODY hAttach, LPWSTR lpszFileName)
{
HRESULT hr;
LPSTREAM pstm=NULL,
pstmOut=NULL;
BOOL fEndian,
fUTFEncoded = FALSE;
BYTE rgbBOM[2];
BYTE rgbUTF[3];
DWORD cbRead;
if (pMsg == NULL || hAttach == NULL)
IF_FAILEXIT(hr = E_INVALIDARG);
// bind to the attachment data
IF_FAILEXIT(hr=pMsg->BindToObject(hAttach, IID_IStream, (LPVOID *)&pstm));
// create a file stream
IF_FAILEXIT(hr = OpenFileStreamW(lpszFileName, CREATE_ALWAYS, GENERIC_WRITE, &pstmOut));
// if we have an .HTM file, then pre-pend 'mark of the web' comment
// If we are a unicode file, the BOM will be "0xFFFE"
// If we are a UTF8 file, the BOM will be "0xEFBBBF"
if (PathIsHTMLFileW(lpszFileName))
{
if (S_OK == HrIsStreamUnicode(pstm, &fEndian))
{
// Don't rewind otherwise end up with BOM after 'mark of the web' as well.
IF_FAILEXIT(hr = pstm->Read(rgbBOM, sizeof(rgbBOM), &cbRead));
// Since HrIsStreamUnicode succeeded, there should be at least two
Assert(sizeof(rgbBOM) == cbRead);
IF_FAILEXIT(hr = pstmOut->Write(rgbBOM, cbRead, NULL));
IF_FAILEXIT(hr = pstmOut->Write(c_wszWebMark, sizeof(c_wszWebMark)-sizeof(WCHAR), NULL));
}
else
{
// Check for UTF8 file BOM
IF_FAILEXIT(hr = pstm->Read(rgbUTF, sizeof(rgbUTF), &cbRead));
if (sizeof(rgbUTF) == cbRead)
{
fUTFEncoded = (0 == memcmp(c_rgbUTF, rgbUTF, sizeof(rgbUTF)));
}
// If we are not UTF8 encoded, then rewind, else write out BOM
if (!fUTFEncoded)
IF_FAILEXIT(hr = HrRewindStream(pstm));
else
IF_FAILEXIT(hr = pstmOut->Write(c_rgbUTF, sizeof(c_rgbUTF), NULL));
IF_FAILEXIT(hr = pstmOut->Write(c_szWebMark, sizeof(c_szWebMark)-sizeof(CHAR), NULL));
}
}
// write out the actual file data
IF_FAILEXIT(hr = HrCopyStream(pstm, pstmOut, NULL));
exit:
ReleaseObj(pstm);
ReleaseObj(pstmOut);
return hr;
}
/*
* Why?
*
* we wrap this as if we don't use NOCHANGEDIR, then things like ShellExec
* fail if the current directory is nolonger valid. Eg: attach a file from a:\
* and remove the floppy. Then all ShellExec's fail. So we maintain our own
* last directory buffer. We should use thread-local for this, as it is possible
* that two thread could whack the same buffer, it is unlikley that a user action
* could cause two open file dialogs in the note and the view to open at exactly the
* same time.
*/
WCHAR g_wszLastDir[MAX_PATH];
HRESULT SetDefaultSpecialFolderPath()
{
LPITEMIDLIST pidl = NULL;
HRESULT hr = E_FAIL;
if (SHGetSpecialFolderLocation(NULL, CSIDL_PERSONAL, &pidl)==S_OK)
{
if (SHGetPathFromIDListWrapW(pidl, g_wszLastDir))
hr = S_OK;
SHFree(pidl);
}
return hr;
}
STDAPI HrAthGetFileName(OPENFILENAME *pofn, BOOL fOpen)
{
BOOL fRet;
LPSTR pszDir = NULL;
HRESULT hr = S_OK;
Assert(pofn != NULL);
// force NOCHANGEDIR
pofn->Flags |= OFN_NOCHANGEDIR;
if (pofn->lpstrInitialDir == NULL)
{
if (!PathFileExistsW(g_wszLastDir))
SideAssert(SetDefaultSpecialFolderPath()==S_OK);
IF_NULLEXIT(pszDir = PszToANSI(CP_ACP, g_wszLastDir));
pofn->lpstrInitialDir = pszDir;
}
if (fOpen)
fRet = GetOpenFileName(pofn);
else
fRet = GetSaveFileName(pofn);
if (fRet)
{
// store the last path
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, pofn->lpstrFile, lstrlen(pofn->lpstrFile), g_wszLastDir, ARRAYSIZE(g_wszLastDir));
if (!PathIsDirectoryW(g_wszLastDir))
PathRemoveFileSpecW(g_wszLastDir);
}
else
TraceResult(hr = E_FAIL);
exit:
MemFree(pszDir);
return hr;
}
STDAPI HrAthGetFileNameW(OPENFILENAMEW *pofn, BOOL fOpen)
{
BOOL fRet;
Assert(pofn != NULL);
// force NOCHANGEDIR
pofn->Flags |= OFN_NOCHANGEDIR;
if (pofn->lpstrInitialDir == NULL)
{
if (!PathFileExistsW(g_wszLastDir))
SideAssert(SetDefaultSpecialFolderPath()==S_OK);
pofn->lpstrInitialDir = g_wszLastDir;
}
if (fOpen)
fRet = GetOpenFileNameWrapW(pofn);
else
fRet = GetSaveFileNameWrapW(pofn);
if (fRet)
{
// store the last path
StrCpyNW(g_wszLastDir, pofn->lpstrFile, ARRAYSIZE(g_wszLastDir));
if (!PathIsDirectoryW(g_wszLastDir))
PathRemoveFileSpecW(g_wszLastDir);
}
return fRet?S_OK:E_FAIL;
}
STDAPI HrGetLastOpenFileDirectory(int cchMax, LPSTR lpsz)
{
if (!PathFileExistsW(g_wszLastDir))
SideAssert(SetDefaultSpecialFolderPath()==S_OK);
WideCharToMultiByte(CP_ACP, 0, g_wszLastDir, lstrlenW(g_wszLastDir), lpsz, cchMax, NULL, NULL);
lpsz[cchMax - 1] = 0;
return S_OK;
}
STDAPI HrGetLastOpenFileDirectoryW(int cchMax, LPWSTR lpsz)
{
if (!PathFileExistsW(g_wszLastDir))
SideAssert(SetDefaultSpecialFolderPath()==S_OK);
StrCpyNW(lpsz, g_wszLastDir, cchMax);
return S_OK;
}