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320 lines
10 KiB
320 lines
10 KiB
//---------------------------------------------------------------------------
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//
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// Copyright (c) Microsoft Corporation
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//
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// File: tasks.cpp
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// App Management tasks running on the secondary thread
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//
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// History:
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// 2-26-98 by dli implemented CAppUemInfoTask
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//------------------------------------------------------------------------
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#include "priv.h"
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#include "shguidp.h"
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#include "uemapp.h"
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#include "appsize.h"
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#include "findapp.h"
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#include "tasks.h"
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#include "slowfind.h"
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#include "dump.h"
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#include "util.h"
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// Utility function to get times used or last used time for "exe" files
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void ExtractExeInfo(LPCTSTR pszExe, PSLOWAPPINFO psai, BOOL bNoImageChange)
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{
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ASSERT(IS_VALID_STRING_PTR(pszExe, -1));
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// Got to have a legal psai
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ASSERT(psai);
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// Get the "times used" info
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UEMINFO uei = {0};
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uei.cbSize = SIZEOF(uei);
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uei.dwMask = UEIM_HIT;
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if (SUCCEEDED(UEMQueryEvent(&UEMIID_SHELL, UEME_RUNPATH, (WPARAM)-1, (LPARAM)pszExe, &uei)))
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{
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if (uei.cHit > psai->iTimesUsed)
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psai->iTimesUsed = uei.cHit;
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}
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// Get the most recent access time
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HANDLE hFile = CreateFile(pszExe, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
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NULL, OPEN_EXISTING, 0, NULL );
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if( INVALID_HANDLE_VALUE != hFile )
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{
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FILETIME ftCreate, ftAccessed, ftWrite;
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if (GetFileTime(hFile, &ftCreate, &ftAccessed, &ftWrite))
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{
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// Is the creation and accessed dates identical, and is the
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// UEM's statistic useless?
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if (0 == CompareFileTime(&ftAccessed, &ftCreate) &&
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0 == psai->ftLastUsed.dwHighDateTime)
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{
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// Yes; then it doesn't look like anyone has used it
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psai->ftLastUsed.dwHighDateTime = NOTUSED_HIGHDATETIME;
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psai->ftLastUsed.dwLowDateTime = NOTUSED_LOWDATETIME;
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if (!bNoImageChange && (psai->pszImage == NULL))
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SHStrDup(pszExe, &psai->pszImage);
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}
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else if (CompareFileTime(&ftAccessed, &psai->ftLastUsed) > 0)
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{
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// No; someone must have used this program
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psai->ftLastUsed = ftAccessed;
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if (!bNoImageChange)
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{
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// If there was an exe file for the icon, release that
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if (psai->pszImage)
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SHFree(psai->pszImage);
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// Set the icon image of this app to this exe's icon
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// because this exe is the most recently used one.
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SHStrDup(pszExe, &psai->pszImage);
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}
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}
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}
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CloseHandle(hFile);
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}
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}
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const static struct {
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LPTSTR szAppName;
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LPTSTR szExeName;
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} s_rgAppHacks[] = {
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{ TEXT("Microsoft Office"), TEXT("msoffice.exe")},
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};
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//--------------------------------------------------------------------------------
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// CAppInfoFinder class
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//--------------------------------------------------------------------------------
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static const WCHAR sc_wszStarDotExe[] = L"*.exe";
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// Use the TreeWalker to find the application "exe" file
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class CAppInfoFinder : public CAppFolderSize
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{
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public:
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CAppInfoFinder(PSLOWAPPINFO psai, BOOL fSize, LPCTSTR pszHintExe, BOOL fNoImageChange);
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// *** IShellTreeWalkerCallBack methods (override) ***
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STDMETHOD(FoundFile) (LPCWSTR pwszFolder, TREEWALKERSTATS *ptws, WIN32_FIND_DATAW * pwfd);
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HRESULT SearchInFolder(LPCTSTR pszFolder);
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protected:
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PSLOWAPPINFO _psai;
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BOOL _fComputeSize; // Compute size or not
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BOOL _fNoImageChange; // Do not change image from now on.
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TCHAR _szHintExe[MAX_PATH];
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};
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// constructor
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CAppInfoFinder::CAppInfoFinder(PSLOWAPPINFO psai, BOOL fSize, LPCTSTR pszHintExe, BOOL fNoImageChange) :
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_fComputeSize(fSize), _fNoImageChange(fNoImageChange), _psai(psai), CAppFolderSize(&psai->ullSize)
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{
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if (pszHintExe)
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{
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lstrcpyn(_szHintExe, pszHintExe, ARRAYSIZE(_szHintExe));
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}
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}
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/*-------------------------------------------------------------------------
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Purpose: IShellTreeWalkerCallBack::FoundFile
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Extracts the exe info that we want if the given file matches
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an exe spec. The info is stored in the _psai member variable.
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*/
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HRESULT CAppInfoFinder::FoundFile(LPCWSTR pwszFile, TREEWALKERSTATS *ptws, WIN32_FIND_DATAW * pwfdw)
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{
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HRESULT hres = S_OK;
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ASSERT(IS_VALID_STRING_PTRW(pwszFile, -1));
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if (PathMatchSpecW(pwfdw->cFileName, sc_wszStarDotExe))
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{
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TCHAR szPath[MAX_PATH];
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TraceMsg(TF_SLOWFIND, "Found Exe File: %s", pwszFile);
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SHUnicodeToTChar(pwszFile, szPath, ARRAYSIZE(szPath));
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if (!PathIsSetup(szPath, 2))
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{
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ExtractExeInfo(szPath, _psai, _fNoImageChange);
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if (_szHintExe[0] != TEXT('\0'))
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{
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// Does this exe match our app's Hint icon exe?
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if (!lstrcmpi(_szHintExe, PathFindFileName(szPath)))
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{
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// Yes, Bingo!! Use this icon.
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// If there was an exe file for the icon, release that
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if (_psai->pszImage)
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SHFree(_psai->pszImage);
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// Set the icon image of this app to this exe's icon
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SHStrDup(szPath, &_psai->pszImage);
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_fNoImageChange = TRUE;
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}
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}
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}
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}
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if (_fComputeSize)
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hres = CAppFolderSize::FoundFile(pwszFile, ptws, pwfdw);
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return hres;
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}
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/*-------------------------------------------------------------------------
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Purpose: Method to kick off the tree walk, starting at pszFolder.
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*/
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HRESULT CAppInfoFinder::SearchInFolder(LPCTSTR pszFolder)
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{
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HRESULT hres = E_FAIL;
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WCHAR wszDir[MAX_PATH];
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SHTCharToUnicode(pszFolder, wszDir, SIZECHARS(wszDir));
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if (_pstw)
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hres = _pstw->WalkTree(0, wszDir, NULL, 0, SAFECAST(this, IShellTreeWalkerCallBack *));
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return hres;
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}
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//--------------------------------------------------------------------------------
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// CAppInfoFinderSM class
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//--------------------------------------------------------------------------------
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// Use the TreeWalker to find the application "exe" file
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class CAppInfoFinderSM : public CStartMenuAppFinder
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{
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public:
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CAppInfoFinderSM(LPCTSTR pszFullName, LPCTSTR pszShortName, PSLOWAPPINFO psai);
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// *** IShellTreeWalkerCallBack methods ***
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virtual STDMETHODIMP FoundFile(LPCWSTR pwszFolder, TREEWALKERSTATS *ptws, WIN32_FIND_DATAW * pwfd);
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protected:
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PSLOWAPPINFO _psai;
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TCHAR _szFakeFolder[MAX_PATH];
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};
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// constructor
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CAppInfoFinderSM::CAppInfoFinderSM(LPCTSTR pszFullName, LPCTSTR pszShortName, PSLOWAPPINFO psai) :
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_psai(psai),CStartMenuAppFinder(pszFullName, pszShortName, _szFakeFolder)
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{
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}
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/*-------------------------------------------------------------------------
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Purpose: IShellTreeWalkerCallBack::FoundFile
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Extracts the exe info that we want if the given file matches
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an exe spec. The info is stored in the _psai member variable.
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*/
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HRESULT CAppInfoFinderSM::FoundFile(LPCWSTR pwszFile, TREEWALKERSTATS *ptws, WIN32_FIND_DATAW * pwfd)
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{
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TCHAR szLnkFile[MAX_PATH];
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ASSERT(IS_VALID_STRING_PTRW(pwszFile, -1));
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SHUnicodeToTChar(pwszFile, szLnkFile, ARRAYSIZE(szLnkFile));
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TraceMsg(TF_SLOWFIND, "CSMAF:Lnk %s -- %s %s", _pszFullName, szLnkFile);
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if (!_MatchSMLinkWithApp(szLnkFile))
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return S_OK;
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TCHAR szTargetFile[MAX_PATH];
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HRESULT hresT = GetShortcutTarget(szLnkFile, szTargetFile, ARRAYSIZE(szTargetFile));
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if ((S_FALSE == hresT) || ((S_OK == hresT) && !PathIsRoot(szTargetFile) && !PathIsUnderWindows(szTargetFile) && !PathIsSetup(szTargetFile, 1)))
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{
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LPCTSTR pszName = PathFindFileName(szTargetFile);
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if (PathMatchSpec(pszName, sc_wszStarDotExe))
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ExtractExeInfo(szTargetFile, _psai, FALSE);
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}
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return S_OK;
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}
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LPTSTR LookUpHintExes(LPCTSTR pszAppName, LPTSTR pszHintExe, DWORD cbHintExe)
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{
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// Open the reg key
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HKEY hkeyIconHints = NULL;
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LPTSTR pszRet = NULL;
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\App Management\\Icon Hints")
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, 0, KEY_READ, &hkeyIconHints))
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{
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DWORD dwType;
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// Look up in the registry for this cpl name
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if ((ERROR_SUCCESS == SHQueryValueEx(hkeyIconHints, pszAppName, NULL, &dwType, pszHintExe, &cbHintExe))
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&& (dwType == REG_SZ))
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{
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pszRet = pszHintExe;
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}
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RegCloseKey(hkeyIconHints);
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}
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return pszRet;
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}
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// use the tree walker to find the "exe" file for the application
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HRESULT FindAppInfo(LPCTSTR pszFolder, LPCTSTR pszFullName, LPCTSTR pszShortName, PSLOWAPPINFO psai, BOOL bChanged)
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{
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// If there is no output string, a folder and a name, we can't do anything
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ASSERT(IS_VALID_WRITE_PTR(psai, SLOWAPPINFO));
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if (pszFolder)
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{
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// We only compute sizes for locally installed apps and apps installed
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// on fixed drives. Ex: On board or external hard drives.
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// We purposely not compute size for network apps, apps on the CD ROMs and so on
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BOOL bGetSize = bChanged && PathIsLocalAndFixed(pszFolder);
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TCHAR szHintExe[MAX_PATH];
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LPTSTR pszHintExe = LookUpHintExes(pszFullName, szHintExe, SIZEOF(szHintExe));
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CAppInfoFinder * paef = new CAppInfoFinder(psai, bGetSize, pszHintExe, !bChanged);
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if (paef)
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{
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if (SUCCEEDED(paef->Initialize()))
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paef->SearchInFolder(pszFolder);
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paef->Release();
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}
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}
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if (bChanged)
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{
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CAppInfoFinderSM * paifsm = new CAppInfoFinderSM(pszFullName, pszShortName, psai);
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if (paifsm)
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{
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if (SUCCEEDED(paifsm->Initialize()))
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{
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TCHAR szStartMenu[MAX_PATH];
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if (SHGetSpecialFolderPath(NULL, szStartMenu, CSIDL_COMMON_PROGRAMS, FALSE))
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paifsm->SearchInFolder(szStartMenu);
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if (SHGetSpecialFolderPath(NULL, szStartMenu, CSIDL_PROGRAMS, FALSE))
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paifsm->SearchInFolder(szStartMenu);
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}
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paifsm->Release();
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}
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}
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return S_OK;
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}
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