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Diffstat (limited to 'src/corelib/io/qfilesystemwatcher_fsevents_p.h')
| -rw-r--r-- | src/corelib/io/qfilesystemwatcher_fsevents_p.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemwatcher_fsevents_p.h b/src/corelib/io/qfilesystemwatcher_fsevents_p.h new file mode 100644 index 0000000000..bbfdd32fd4 --- /dev/null +++ b/src/corelib/io/qfilesystemwatcher_fsevents_p.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#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" + +#ifndef QT_NO_FILESYSTEMWATCHER + +#include <QtCore/qmutex.h> +#include <QtCore/qwaitcondition.h> +#include <QtCore/qthread.h> +#include <QtCore/qhash.h> +#include <QtCore/qlinkedlist.h> +#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_NO_FILESYSTEMWATCHER + +#endif + +QT_END_NAMESPACE |