src/TGitCache/ShellUpdater.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2023 - TortoiseGit
   4 // External Cache Copyright (C) 2005 - 2006 - Will Dean, Stefan Kueng
   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 #pragma once
  21
  22 #include "TGitPath.h"
  23 #include "SmartHandle.h"
  24
  25 /**
  26  * \ingroup TGitCache
  27  * Handles notifications to the shell about status changes. This is done
  28  * in a separate thread to avoid deadlocks.
  29  */
  30 class CShellUpdater
  31 {
  32 public:
  33         CShellUpdater();
  34         ~CShellUpdater();
  35
  36 public:
  37         void Initialise();
  38         void AddPathForUpdate(const CTGitPath& path);
  39         void Stop();
  40
  41 private:
  42         static unsigned int __stdcall ThreadEntry(void* pContext);
  43         void WorkerThread();
  44
  45 private:
  46         CComAutoCriticalSection m_critSec;
  47         CAutoGeneralHandle m_hThread;
  48         std::deque<CTGitPath> m_pathsToUpdate;
  49         CAutoGeneralHandle m_hTerminationEvent;
  50         CAutoGeneralHandle m_hWakeEvent;
  51
  52         volatile bool m_bItemsAddedSinceLastUpdate = false;
  53         volatile LONG m_bRunning = FALSE;
  54 };
  55
  56