* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2009 Andrew Hill
+ * Copyright 2017 Katayama Hirofumi MZ
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* IShellFolder implementation
*/
+#define RETRY_COUNT 3
+#define RETRY_SLEEP 250
+static BOOL TryToLockOrUnlockDrive(HANDLE hDrive, BOOL bLock)
+{
+ DWORD dwError, dwBytesReturned;
+ DWORD dwCode = (bLock ? FSCTL_LOCK_VOLUME : FSCTL_UNLOCK_VOLUME);
+ for (DWORD i = 0; i < RETRY_COUNT; ++i)
+ {
+ if (DeviceIoControl(hDrive, dwCode, NULL, 0, NULL, 0, &dwBytesReturned, NULL))
+ return TRUE;
+
+ dwError = GetLastError();
+ if (dwError == ERROR_INVALID_FUNCTION)
+ break; /* don't sleep if function is not implemented */
+
+ Sleep(RETRY_SLEEP);
+ }
+ SetLastError(dwError);
+ return FALSE;
+}
+
+// NOTE: See also https://support.microsoft.com/en-us/help/165721/how-to-ejecting-removable-media-in-windows-nt-windows-2000-windows-xp
+static BOOL DoEjectDrive(const WCHAR *physical, UINT nDriveType, INT *pnStringID)
+{
+ /* GENERIC_WRITE isn't needed for umount */
+ DWORD dwAccessMode = GENERIC_READ;
+ DWORD dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
+
+ HANDLE hDrive = CreateFile(physical, dwAccessMode, dwShareMode, 0, OPEN_EXISTING, 0, NULL);
+ if (hDrive == INVALID_HANDLE_VALUE)
+ return FALSE;
+
+ BOOL bResult, bNeedUnlock = FALSE;
+ DWORD dwBytesReturned, dwError = NO_ERROR;
+ PREVENT_MEDIA_REMOVAL removal;
+ do
+ {
+ bResult = TryToLockOrUnlockDrive(hDrive, TRUE);
+ if (!bResult)
+ {
+ dwError = GetLastError();
+ *pnStringID = IDS_CANTLOCKVOLUME; /* Unable to lock volume */
+ break;
+ }
+ bResult = DeviceIoControl(hDrive, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0, &dwBytesReturned, NULL);
+ if (!bResult)
+ {
+ dwError = GetLastError();
+ *pnStringID = IDS_CANTDISMOUNTVOLUME; /* Unable to dismount volume */
+ bNeedUnlock = TRUE;
+ break;
+ }
+ removal.PreventMediaRemoval = FALSE;
+ bResult = DeviceIoControl(hDrive, IOCTL_STORAGE_MEDIA_REMOVAL, &removal, sizeof(removal), NULL,
+ 0, &dwBytesReturned, NULL);
+ if (!bResult)
+ {
+ *pnStringID = IDS_CANTEJECTMEDIA; /* Unable to eject media */
+ dwError = GetLastError();
+ bNeedUnlock = TRUE;
+ break;
+ }
+ bResult = DeviceIoControl(hDrive, IOCTL_STORAGE_EJECT_MEDIA, NULL, 0, NULL, 0, &dwBytesReturned, NULL);
+ if (!bResult)
+ {
+ *pnStringID = IDS_CANTEJECTMEDIA; /* Unable to eject media */
+ dwError = GetLastError();
+ bNeedUnlock = TRUE;
+ break;
+ }
+ } while (0);
+
+ if (bNeedUnlock)
+ {
+ TryToLockOrUnlockDrive(hDrive, FALSE);
+ }
+
+ CloseHandle(hDrive);
+
+ SetLastError(dwError);
+ return bResult;
+}
+
HRESULT CALLBACK DrivesContextMenuCallback(IShellFolder *psf,
HWND hwnd,
IDataObject *pdtobj,
PIDLIST_ABSOLUTE pidlFolder;
PUITEMID_CHILD *apidl;
UINT cidl;
+ UINT nDriveType;
+ DWORD dwFlags;
HRESULT hr = SH_GetApidlFromDataObject(pdtobj, &pidlFolder, &apidl, &cidl);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
_ILFreeaPidl(apidl, cidl);
return E_FAIL;
}
+ nDriveType = GetDriveTypeA(szDrive);
+ GetVolumeInformationA(szDrive, NULL, 0, NULL, NULL, &dwFlags, NULL, 0);
+
+// custom command IDs
+#define CMDID_FORMAT 1
+#define CMDID_EJECT 2
+#define CMDID_DISCONNECT 3
if (uMsg == DFM_MERGECONTEXTMENU)
{
QCMINFO *pqcminfo = (QCMINFO *)lParam;
- DWORD dwFlags;
- if (GetVolumeInformationA(szDrive, NULL, 0, NULL, NULL, &dwFlags, NULL, 0))
+ UINT idCmdFirst = pqcminfo->idCmdFirst;
+ if (!(dwFlags & FILE_READ_ONLY_VOLUME) && nDriveType != DRIVE_REMOTE)
{
- /* Disable format if read only */
- if (!(dwFlags & FILE_READ_ONLY_VOLUME) && GetDriveTypeA(szDrive) != DRIVE_REMOTE)
- {
- _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
- _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, pqcminfo->idCmdFirst++, MFT_STRING, MAKEINTRESOURCEW(IDS_FORMATDRIVE), MFS_ENABLED);
- }
+ /* add separator and Format */
+ UINT idCmd = idCmdFirst + CMDID_FORMAT;
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, idCmd, MFT_STRING, MAKEINTRESOURCEW(IDS_FORMATDRIVE), MFS_ENABLED);
+ }
+ if (nDriveType == DRIVE_REMOVABLE || nDriveType == DRIVE_CDROM)
+ {
+ /* add separator and Eject */
+ UINT idCmd = idCmdFirst + CMDID_EJECT;
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, idCmd, MFT_STRING, MAKEINTRESOURCEW(IDS_EJECT), MFS_ENABLED);
+ }
+ if (nDriveType == DRIVE_REMOTE)
+ {
+ /* add separator and Disconnect */
+ UINT idCmd = idCmdFirst + CMDID_DISCONNECT;
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
+ _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, idCmd, MFT_STRING, MAKEINTRESOURCEW(IDS_DISCONNECT), MFS_ENABLED);
}
+
+ pqcminfo->idCmdFirst += 3;
}
else if (uMsg == DFM_INVOKECOMMAND)
{
+ WCHAR wszBuf[4] = L"A:\\";
+ wszBuf[0] = (WCHAR)szDrive[0];
+
+ INT nStringID = 0;
+ DWORD dwError = NO_ERROR;
+
if (wParam == DFM_CMD_PROPERTIES)
{
- WCHAR wszBuf[4];
- wcscpy(wszBuf, L"A:\\");
- wszBuf[0] = (WCHAR)szDrive[0];
- if (!SH_ShowDriveProperties(wszBuf, pidlFolder, apidl))
- hr = E_FAIL;
+ hr = SH_ShowDriveProperties(wszBuf, pidlFolder, apidl);
+ if (FAILED(hr))
+ {
+ dwError = ERROR_CAN_NOT_COMPLETE;
+ nStringID = IDS_CANTSHOWPROPERTIES;
+ }
}
else
{
- SHFormatDrive(hwnd, szDrive[0] - 'A', SHFMT_ID_DEFAULT, 0);
+ if (wParam == CMDID_FORMAT)
+ {
+ /* do format */
+ DWORD dwRet = SHFormatDrive(hwnd, szDrive[0] - 'A', SHFMT_ID_DEFAULT, 0);
+ switch (dwRet)
+ {
+ case SHFMT_ERROR: case SHFMT_CANCEL: case SHFMT_NOFORMAT:
+ hr = E_FAIL;
+ break;
+ }
+ }
+ else if (wParam == CMDID_EJECT)
+ {
+ /* do eject */
+ WCHAR physical[10];
+ wsprintfW(physical, _T("\\\\.\\%c:"), szDrive[0]);
+
+ if (DoEjectDrive(physical, nDriveType, &nStringID))
+ {
+ SHChangeNotify(SHCNE_MEDIAREMOVED, SHCNF_PATHW | SHCNF_FLUSHNOWAIT, wszBuf, NULL);
+ }
+ else
+ {
+ dwError = GetLastError();
+ }
+ }
+ else if (wParam == CMDID_DISCONNECT)
+ {
+ /* do disconnect */
+ wszBuf[2] = UNICODE_NULL;
+ dwError = WNetCancelConnection2W(wszBuf, 0, FALSE);
+ if (dwError == NO_ERROR)
+ {
+ SHChangeNotify(SHCNE_DRIVEREMOVED, SHCNF_PATHW | SHCNF_FLUSHNOWAIT, wszBuf, NULL);
+ }
+ else
+ {
+ nStringID = IDS_CANTDISCONNECT;
+ }
+ }
+ }
+
+ if (nStringID != 0)
+ {
+ /* show error message */
+ WCHAR szFormat[128], szMessage[128];
+ LoadStringW(shell32_hInstance, nStringID, szFormat, _countof(szFormat));
+ wsprintfW(szMessage, szFormat, dwError);
+ MessageBoxW(hwnd, szMessage, NULL, MB_ICONERROR);
}
}
projects / reactos.git / blobdiff