reactos/dll/win32/shell32/shelldesktop/CDirectoryWatcher.h
Katayama Hirofumi MZ 1f31905ecd
[SHELL32] Optimize change notification (#3030)
- Keep the directory lists only.
- Don't remember file sizes and normal file paths.
CORE-13950
2020-08-10 13:34:48 +09:00

40 lines
1.1 KiB
C++

/*
* PROJECT: shell32
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Shell change notification
* COPYRIGHT: Copyright 2020 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
*/
#pragma once
#include "CDirectoryList.h"
// NOTE: Regard to asynchronous procedure call (APC), please see:
// https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-sleepex
class CDirectoryWatcher
{
public:
HANDLE m_hDirectory;
WCHAR m_szDirectoryPath[MAX_PATH];
static CDirectoryWatcher *Create(LPCWSTR pszDirectoryPath, BOOL fSubTree);
static void RequestAllWatchersTermination();
~CDirectoryWatcher();
BOOL IsDead() const;
BOOL RestartWatching();
void QuitWatching();
BOOL RequestAddWatcher();
BOOL RequestTermination();
void ReadCompletion(DWORD dwErrorCode, DWORD dwNumberOfBytesTransfered);
protected:
BOOL m_fDead;
BOOL m_fRecursive;
CDirectoryList m_dir_list;
OVERLAPPED m_overlapped;
BOOL CreateAPCThread();
void ProcessNotification();
CDirectoryWatcher(LPCWSTR pszDirectoryPath, BOOL fSubTree);
};