src/corelib/io/qfilesystemwatcher_dnotify_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/io/qfilesystemwatcher_dnotify_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 QFILESYSTEMWATCHER_DNOTIFY_P_H
+#define QFILESYSTEMWATCHER_DNOTIFY_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 <qmutex.h>
+#include <qhash.h>
+#include <qdatetime.h>
+#include <qfile.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDnotifyFileSystemWatcherEngine : public QFileSystemWatcherEngine
+{
+    Q_OBJECT
+
+public:
+    virtual ~QDnotifyFileSystemWatcherEngine();
+
+    static QDnotifyFileSystemWatcherEngine *create();
+
+    void run();
+
+    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
+    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);
+
+    void stop();
+
+private Q_SLOTS:
+    void refresh(int);
+
+private:
+    struct Directory {
+        Directory() : fd(0), parentFd(0), isMonitored(false) {}
+        Directory(const Directory &o) : path(o.path),
+                                        fd(o.fd),
+                                        parentFd(o.parentFd),
+                                        isMonitored(o.isMonitored),
+                                        files(o.files) {}
+        QString path;
+        int fd;
+        int parentFd;
+        bool isMonitored;
+
+        struct File {
+            File() : ownerId(0u), groupId(0u), permissions(0u) { }
+            File(const File &o) : path(o.path),
+                                  ownerId(o.ownerId),
+                                  groupId(o.groupId),
+                                  permissions(o.permissions),
+                                  lastWrite(o.lastWrite) {}
+            QString path;
+
+            bool updateInfo();
+
+            uint ownerId;
+            uint groupId;
+            QFile::Permissions permissions;
+            QDateTime lastWrite;
+        };
+
+        QList<File> files;
+    };
+
+    QDnotifyFileSystemWatcherEngine();
+
+    QMutex mutex;
+    QHash<QString, int> pathToFD;
+    QHash<int, Directory> fdToDirectory;
+    QHash<int, int> parentToFD;
+};
+
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_FILESYSTEMWATCHER
+#endif // QFILESYSTEMWATCHER_DNOTIFY_P_H