1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtCore module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QFILESYSTEMWATCHER_DNOTIFY_P_H

    43 #define QFILESYSTEMWATCHER_DNOTIFY_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of the QLibrary class.  This header file may change from

    51 // version to version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qfilesystemwatcher_p.h"

    57 

    58 #ifndef QT_NO_FILESYSTEMWATCHER

    59 

    60 #include <qmutex.h>

    61 #include <qhash.h>

    62 #include <qdatetime.h>

    63 #include <qfile.h>

    64 

    65 QT_BEGIN_NAMESPACE

    66 

    67 class QDnotifyFileSystemWatcherEngine : public QFileSystemWatcherEngine

    68 {

    69     Q_OBJECT

    70 

    71 public:

    72     virtual ~QDnotifyFileSystemWatcherEngine();

    73 

    74     static QDnotifyFileSystemWatcherEngine *create();

    75 

    76     void run();

    77 

    78     QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);

    79     QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);

    80 

    81     void stop();

    82 

    83 private Q_SLOTS:

    84     void refresh(int);

    85 

    86 private:

    87     struct Directory {

    88         Directory() : fd(0), parentFd(0), isMonitored(false) {}

    89         Directory(const Directory &o) : path(o.path),

    90                                         fd(o.fd),

    91                                         parentFd(o.parentFd),

    92                                         isMonitored(o.isMonitored),

    93                                         files(o.files) {}

    94         QString path;

    95         int fd;

    96         int parentFd;

    97         bool isMonitored;

    98 

    99         struct File {

   100             File() : ownerId(0u), groupId(0u), permissions(0u) { }

   101             File(const File &o) : path(o.path),

   102                                   ownerId(o.ownerId),

   103                                   groupId(o.groupId),

   104                                   permissions(o.permissions),

   105                                   lastWrite(o.lastWrite) {}

   106             QString path;

   107 

   108             bool updateInfo();

   109 

   110             uint ownerId;

   111             uint groupId;

   112             QFile::Permissions permissions;

   113             QDateTime lastWrite;

   114         };

   115 

   116         QList<File> files;

   117     };

   118 

   119     QDnotifyFileSystemWatcherEngine();

   120 

   121     QMutex mutex;

   122     QHash<QString, int> pathToFD;

   123     QHash<int, Directory> fdToDirectory;

   124     QHash<int, int> parentToFD;

   125 };

   126 

   127 

   128 

   129 QT_END_NAMESPACE

   130 #endif // QT_NO_FILESYSTEMWATCHER

   131 #endif // QFILESYSTEMWATCHER_DNOTIFY_P_H