setup_native/source/win32/customactions/shellextensions/checkdirectory.cxx

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  28
  29 #define _WIN32_WINNT 0x0401
  30
  31 #ifdef _MSC_VER
  32 #pragma warning(push, 1) /* disable warnings within system headers */
  33 #endif
  34 #define WIN32_LEAN_AND_MEAN
  35 #include <windows.h>
  36 #include <msiquery.h>
  37 #ifdef _MSC_VER
  38 #pragma warning(pop)
  39 #endif
  40
  41 #include <malloc.h>
  42 #include <assert.h>
  43
  44 #ifdef UNICODE
  45 #define _UNICODE
  46 #define _tstring    wstring
  47 #else
  48 #define _tstring    string
  49 #endif
  50 #include <tchar.h>
  51 #include <string>
  52 #include <queue>
  53 #include <stdio.h>
  54
  55 #include <systools/win32/uwinapi.h>
  56 #include <../tools/seterror.hxx>
  57
  58 static std::_tstring GetMsiProperty( MSIHANDLE handle, const std::_tstring& sProperty )
  59 {
  60     std::_tstring result;
  61     TCHAR szDummy[1] = TEXT("");
  62     DWORD nChars = 0;
  63
  64     if ( MsiGetProperty( handle, sProperty.c_str(), szDummy, &nChars ) == ERROR_MORE_DATA )
  65     {
  66         DWORD nBytes = ++nChars * sizeof(TCHAR);
  67         LPTSTR buffer = reinterpret_cast<LPTSTR>(_alloca(nBytes));
  68         ZeroMemory( buffer, nBytes );
  69         MsiGetProperty(handle, sProperty.c_str(), buffer, &nChars);
  70         result = buffer;
  71     }
  72
  73     return result;
  74 }
  75
  76 static void UnsetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty)
  77 {
  78     MsiSetProperty(handle, sProperty.c_str(), NULL);
  79 }
  80
  81 static void SetMsiProperty(MSIHANDLE handle, const std::_tstring& sProperty, const std::_tstring&)
  82 {
  83     MsiSetProperty(handle, sProperty.c_str(), TEXT("1"));
  84 }
  85
  86 extern "C" UINT __stdcall CheckInstallDirectory(MSIHANDLE handle)
  87 {
  88     std::_tstring sInstallPath = GetMsiProperty(handle, TEXT("INSTALLLOCATION"));
  89     std::_tstring sOfficeHostnamePath = GetMsiProperty(handle, TEXT("OFFICEDIRHOSTNAME"));
  90
  91     // MessageBox(NULL, sInstallPath.c_str(), "DEBUG", MB_OK);
  92
  93     // unsetting all properties
  94
  95     UnsetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY") );
  96
  97     // 1. Searching for file setup.ini
  98
  99     std::_tstring sSetupIniPath = sInstallPath + sOfficeHostnamePath + TEXT("\\program\\setup.ini");
 100
 101     WIN32_FIND_DATA data;
 102     HANDLE hdl = FindFirstFile(sSetupIniPath.c_str(), &data);
 103
 104     // std::_tstring mystr = "Searching for " + sSetupIniPath;
 105     // MessageBox(NULL, mystr.c_str(), "DEBUG", MB_OK);
 106
 107     if ( IsValidHandle(hdl) )
 108     {
 109         // setup.ini found -> directory cannot be used for installation.
 110         SetMsiProperty( handle, TEXT("DIRECTORY_NOT_EMPTY"), TEXT("1") );
 111         SetMsiErrorCode( MSI_ERROR_DIRECTORY_NOT_EMPTY );
 112         // std::_tstring notEmptyStr = "Directory is not empty. Please choose another installation directory.";
 113         // std::_tstring notEmptyTitle = "Directory not empty";
 114         // MessageBox(NULL, notEmptyStr.c_str(), notEmptyTitle.c_str(), MB_OK);
 115     }
 116
 117     return ERROR_SUCCESS;
 118 }
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */