src/Utils/SysInfo.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2021 - TortoiseGit
   4 // Copyright (C) 2008 - TortoiseSVN
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "SysInfo.h"
  22 #include "PathUtils.h"
  23 #include "StringUtils.h"
  24
  25 static bool InitializeIsWin11OrLater()
  26 {
  27         PWSTR pszPath = nullptr;
  28         if (SHGetKnownFolderPath(FOLDERID_System, KF_FLAG_CREATE, nullptr, &pszPath) != S_OK)
  29                 return false;
  30         CString sysPath{ pszPath };
  31         CoTaskMemFree(pszPath);
  32         auto explorerVersion = CPathUtils::GetVersionFromFile(sysPath + L"\\shell32.dll");
  33         std::vector<int> versions;
  34         stringtok(versions, explorerVersion, true, L".");
  35         return versions.size() > 3 && versions[2] >= 22000;
  36 }
  37
  38 SysInfo::SysInfo()
  39 {
  40         m_bIsWindows11OrLater = InitializeIsWin11OrLater();
  41 }
  42
  43 SysInfo::~SysInfo()
  44 {
  45 }
  46
  47 const SysInfo& SysInfo::Instance()
  48 {
  49         static SysInfo instance;
  50         return instance;
  51 }