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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#include "directorywatcher.h"
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QFileSystemWatcher>
#include <QtCore/QTimer>
enum { debugWatcher = 0 };
namespace Qt4ProjectManager {
namespace Internal {
int FileWatcher::m_objectCount = 0;
QHash<QString,int> FileWatcher::m_fileCount;
QFileSystemWatcher *FileWatcher::m_watcher = 0;
FileWatcher::FileWatcher(QObject *parent) :
QObject(parent)
{
if (!m_watcher)
m_watcher = new QFileSystemWatcher();
++m_objectCount;
connect(m_watcher, SIGNAL(fileChanged(QString)),
this, SLOT(slotFileChanged(QString)));
}
FileWatcher::~FileWatcher()
{
foreach (const QString &file, m_files)
removeFile(file);
if (--m_objectCount == 0) {
delete m_watcher;
m_watcher = 0;
}
}
void FileWatcher::slotFileChanged(const QString &file)
{
if (m_files.contains(file))
emit fileChanged(file);
}
QStringList FileWatcher::files()
{
return m_files;
}
void FileWatcher::addFile(const QString &file)
{
if (m_files.contains(file))
return;
m_files += file;
if (m_fileCount[file] == 0)
m_watcher->addPath(file);
m_fileCount[file] += 1;
}
void FileWatcher::removeFile(const QString &file)
{
m_files.removeOne(file);
m_fileCount[file] -= 1;
if (m_fileCount[file] == 0)
m_watcher->removePath(file);
}
} // namespace Internal
} // namespace Qt4ProjectManager
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