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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef FILEWATCHER_FSEVENTS_P_H
#define FILEWATCHER_FSEVENTS_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "qfilesystemwatcher_p.h"
#include <QtCore/qmutex.h>
#include <QtCore/qwaitcondition.h>
#include <QtCore/qthread.h>
#include <QtCore/QHash>
#include <QtCore/QLinkedList>
#include <private/qcore_mac_p.h>
#include <sys/stat.h>
typedef struct __FSEventStream *FSEventStreamRef;
typedef const struct __FSEventStream *ConstFSEventStreamRef;
typedef const struct __CFArray *CFArrayRef;
typedef UInt32 FSEventStreamEventFlags;
typedef uint64_t FSEventStreamEventId;
QT_BEGIN_NAMESPACE
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
// Yes, I use a stat64 element here. QFileInfo requires too much knowledge about implementation
// details to be used as a long-standing record. Since I'm going to have to store this information, I can
// do the stat myself too.
struct PathInfo {
PathInfo(const QString &path, const QByteArray &absPath)
: originalPath(path), absolutePath(absPath) {}
QString originalPath; // The path we need to emit
QByteArray absolutePath; // The path we need to stat.
struct ::stat64 savedInfo; // All the info for the path so we can compare it.
};
typedef QLinkedList<PathInfo> PathInfoList;
typedef QHash<QString, PathInfoList> PathHash;
#endif
class QFSEventsFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
Q_OBJECT
public:
~QFSEventsFileSystemWatcherEngine();
static QFSEventsFileSystemWatcherEngine *create();
QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
void stop();
private:
QFSEventsFileSystemWatcherEngine();
void warmUpFSEvents();
void updateFiles();
static void fseventsCallback(ConstFSEventStreamRef streamRef, void *clientCallBackInfo, size_t numEvents,
void *eventPaths, const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId eventIds[]);
void run();
FSEventStreamRef fsStream;
CFArrayRef pathsToWatch;
CFRunLoopRef threadsRunLoop;
QMutex mutex;
QWaitCondition waitCondition;
QWaitCondition waitForStop;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
PathHash filePathInfoHash;
PathHash dirPathInfoHash;
void updateHash(PathHash &pathHash);
void updateList(PathInfoList &list, bool directory, bool emitSignals);
#endif
};
#endif
QT_END_NAMESPACE
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