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kdirwatch_win.cpp
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1/* This file is part of the KDE libraries
2 Copyright (C) 2008 Jarosław Staniek <staniek@kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2 as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17*/
18
19#include "kdirwatch_p.h"
20
21#include <windows.h>
22
23KFileSystemWatcher::KFileSystemWatcher()
24 : QObject(), m_recentWatcher(0)
25{
26}
27
28KFileSystemWatcher::~KFileSystemWatcher()
29{
30 qDeleteAll(m_watchers);
31}
32
33QFileSystemWatcher* KFileSystemWatcher::availableWatcher()
34{
35 QFileSystemWatcher* watcher = m_recentWatcher;
36 if (!watcher || m_usedObjects.value(watcher) >= MAXIMUM_WAIT_OBJECTS) {
37 uint i = 0;
38 watcher = 0;
39 for (QList<QFileSystemWatcher*>::ConstIterator watchersIt(m_watchers.constBegin());
40 watchersIt!=m_watchers.constEnd(); ++watchersIt, i++)
41 {
42 if (m_usedObjects.value(*watchersIt) < MAXIMUM_WAIT_OBJECTS) {
43 watcher = *watchersIt;
44 m_recentWatcher = watcher;
45 return watcher;
46 }
47 }
48 }
49 if (!watcher) { //new one needed
50 watcher = new QFileSystemWatcher();
51 connect(watcher, SIGNAL(directoryChanged(QString)), this, SIGNAL(directoryChanged(QString)));
52 connect(watcher, SIGNAL(fileChanged(QString)), this, SIGNAL(fileChanged(QString)));
53 m_watchers.append( watcher );
54 m_usedObjects.insert(watcher, 0);
55 m_recentWatcher = watcher;
56 }
57 return watcher;
58}
59
60void KFileSystemWatcher::addPath(const QString &file)
61{
62 QFileSystemWatcher* watcher = availableWatcher();
63 watcher->addPath(file);
64 m_usedObjects[watcher]++;
65 m_paths.insert(file, watcher);
66}
67
68void KFileSystemWatcher::removePath(const QString &file)
69{
70 QFileSystemWatcher* watcher = m_paths.value(file);
71 if (!watcher)
72 return;
73 watcher->removePath(file);
74 m_usedObjects[watcher]--;
75 if (m_recentWatcher != watcher)
76 m_recentWatcher = 0;
77}
KFileSystemWatcher::removePath
void removePath(const QString &file)
Definition: kdirwatch_win.cpp:68
KFileSystemWatcher::addPath
void addPath(const QString &file)
Definition: kdirwatch_win.cpp:60
KFileSystemWatcher::~KFileSystemWatcher
~KFileSystemWatcher()
Definition: kdirwatch_win.cpp:28
KFileSystemWatcher::fileChanged
void fileChanged(const QString &path)
KFileSystemWatcher::directoryChanged
void directoryChanged(const QString &path)
KFileSystemWatcher::KFileSystemWatcher
KFileSystemWatcher()
Definition: kdirwatch_win.cpp:23
QList
Definition: kaboutdata.h:33
QObject
QString
kdirwatch_p.h
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