mirror of https://github.com/reactos/reactos.git
[SHELL32] SHChangeNotify: SHCNF_DWORD and SHCNF_PRINTERA/W (#6777)
Implementing missing features... JIRA issue: CORE-13950 - Add Shell_ParsePrinterName helper function. - Implement SHCNF_DWORD, SHCNF_PRINTERA, and SHCNF_PRINTERW types of SHChangeNotify function.
This commit is contained in:
Katayama Hirofumi MZ
GitHub
parent
68a8619b7b
commit
0240a87618
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@ -57,6 +57,32 @@ EXTERN_C void FreeChangeNotifications(void)
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DeleteCriticalSection(&SHELL32_ChangenotifyCS);
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}
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static HRESULT
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Shell_ParsePrinterName(
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_In_ LPCWSTR pszName,
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_Out_ LPITEMIDLIST *ppidl,
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_In_ IBindCtx *pBindCtx)
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{
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*ppidl = NULL;
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CComHeapPtr<ITEMIDLIST> pidlPrinters;
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HRESULT hr = SHGetSpecialFolderLocation(NULL, CSIDL_PRINTERS, &pidlPrinters);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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CComPtr<IShellFolder> pFolder;
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hr = SHBindToObject(NULL, pidlPrinters, IID_PPV_ARG(IShellFolder, &pFolder));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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CComHeapPtr<ITEMIDLIST> pidlTemp;
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hr = pFolder->ParseDisplayName(NULL, pBindCtx, (LPWSTR)pszName, NULL, &pidlTemp, NULL);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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return SHILCombine(pidlPrinters, pidlTemp, ppidl);
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}
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//////////////////////////////////////////////////////////////////////////////////////
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// There are two delivery methods: "old delivery method" and "new delivery method".
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//
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@ -625,21 +651,48 @@ SHChangeNotifyTransmit(LONG lEvent, UINT uFlags, LPCITEMIDLIST pidl1, LPCITEMIDL
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EXTERN_C void WINAPI
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SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
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{
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LPITEMIDLIST pidl1 = NULL, pidl2 = NULL, pidlTemp1 = NULL, pidlTemp2 = NULL;
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DWORD dwTick = GetTickCount();
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WCHAR szPath1[MAX_PATH], szPath2[MAX_PATH];
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LPWSTR psz1, psz2;
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TRACE("(0x%08x,0x%08x,%p,%p)\n", wEventId, uFlags, dwItem1, dwItem2);
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switch (uFlags & SHCNF_TYPE)
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if (!GetNotificationServer(FALSE))
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return;
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DWORD dwTick = GetTickCount();
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WCHAR szPath1[MAX_PATH], szPath2[MAX_PATH];
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LPITEMIDLIST pidl1 = NULL, pidl2 = NULL;
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LPWSTR psz1, psz2;
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SHChangeDWORDAsIDList dwidl;
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DWORD dwType;
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Retry:
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dwType = (uFlags & SHCNF_TYPE);
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switch (dwType)
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{
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case SHCNF_IDLIST:
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{
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if (wEventId == SHCNE_FREESPACE)
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{
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szPath1[0] = szPath2[0] = UNICODE_NULL;
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if (dwItem1)
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SHGetPathFromIDList((LPCITEMIDLIST)dwItem1, szPath1);
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if (dwItem2)
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SHGetPathFromIDList((LPCITEMIDLIST)dwItem2, szPath2);
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uFlags = SHCNF_PATHW;
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dwItem1 = (szPath1[0] ? szPath1 : NULL);
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dwItem2 = (szPath2[0] ? szPath2 : NULL);
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goto Retry;
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}
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pidl1 = (LPITEMIDLIST)dwItem1;
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pidl2 = (LPITEMIDLIST)dwItem2;
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break;
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}
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case SHCNF_PATHA:
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case SHCNF_PRINTERA:
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{
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psz1 = psz2 = NULL;
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szPath1[0] = szPath2[0] = UNICODE_NULL;
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if (dwItem1)
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{
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SHAnsiToUnicode((LPCSTR)dwItem1, szPath1, _countof(szPath1));
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@ -650,42 +703,90 @@ SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
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SHAnsiToUnicode((LPCSTR)dwItem2, szPath2, _countof(szPath2));
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psz2 = szPath2;
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}
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uFlags &= ~SHCNF_TYPE;
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uFlags |= SHCNF_PATHW;
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SHChangeNotify(wEventId, uFlags, psz1, psz2);
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return;
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uFlags = ((dwType == SHCNF_PRINTERA) ? SHCNF_PRINTERW : SHCNF_PATHW);
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dwItem1 = psz1;
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dwItem2 = psz2;
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goto Retry;
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}
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case SHCNF_PATHW:
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{
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if (wEventId == SHCNE_FREESPACE)
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{
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INT iDrive1 = -1, iDrive2 = -1;
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if (dwItem1)
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iDrive1 = PathGetDriveNumberW((LPCWSTR)dwItem1);
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if (dwItem2)
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iDrive2 = PathGetDriveNumberW((LPCWSTR)dwItem2);
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DWORD dwValue = 0;
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if (iDrive1 >= 0)
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dwValue |= (1 << iDrive1);
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if (iDrive2 >= 0)
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dwValue |= (1 << iDrive2);
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if (!dwValue)
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return;
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uFlags = SHCNF_DWORD;
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dwItem1 = UlongToPtr(dwValue);
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dwItem2 = NULL;
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goto Retry;
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}
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if (dwItem1)
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pidl1 = SHSimpleIDListFromPathW((LPCWSTR)dwItem1);
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if (dwItem2)
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pidl2 = SHSimpleIDListFromPathW((LPCWSTR)dwItem2);
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break;
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}
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case SHCNF_PRINTERW:
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{
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if (dwItem1)
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{
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pidl1 = pidlTemp1 = SHSimpleIDListFromPathW((LPCWSTR)dwItem1);
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HRESULT hr = Shell_ParsePrinterName((LPCWSTR)dwItem1, &pidl1, NULL);
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if (FAILED_UNEXPECTEDLY(hr))
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return;
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}
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if (dwItem2)
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{
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pidl2 = pidlTemp2 = SHSimpleIDListFromPathW((LPCWSTR)dwItem2);
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HRESULT hr = Shell_ParsePrinterName((LPCWSTR)dwItem2, &pidl2, NULL);
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if (FAILED_UNEXPECTEDLY(hr))
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{
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ILFree(pidl1);
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return;
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}
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}
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break;
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case SHCNF_PRINTERA:
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case SHCNF_PRINTERW:
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FIXME("SHChangeNotify with (uFlags & SHCNF_PRINTER)\n");
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return;
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}
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case SHCNF_DWORD:
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{
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dwidl.cb = offsetof(SHChangeDWORDAsIDList, cbZero);
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dwidl.dwItem1 = PtrToUlong(dwItem1);
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dwidl.dwItem2 = PtrToUlong(dwItem2);
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dwidl.cbZero = 0;
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pidl1 = (LPITEMIDLIST)&dwidl;
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break;
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}
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default:
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FIXME("unknown type %08x\n", uFlags & SHCNF_TYPE);
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{
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FIXME("Unknown type: 0x%X\n", dwType);
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return;
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}
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}
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if (wEventId == 0 || (wEventId & SHCNE_ASSOCCHANGED) || pidl1 != NULL)
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if (pidl1 || !wEventId || (wEventId & SHCNE_ASSOCCHANGED))
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{
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TRACE("notifying event %s(%x)\n", DumpEvent(wEventId), wEventId);
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SHChangeNotifyTransmit(wEventId, uFlags, pidl1, pidl2, dwTick);
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}
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if (pidlTemp1)
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ILFree(pidlTemp1);
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if (pidlTemp2)
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ILFree(pidlTemp2);
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if ((dwType == SHCNF_PATHW) || (dwType == SHCNF_PRINTERW))
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{
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ILFree(pidl1);
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ILFree(pidl2);
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}
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}
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/*************************************************************************
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