--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/publishsubscribe/gconflayer_linux_p.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 GCONFLAYER_H
+#define GCONFLAYER_H
+
+#include "qvaluespace_p.h"
+#include "qvaluespacepublisher.h"
+
+#include <QSet>
+#include "gconfitem_p.h"
+#include <QMutex>
+
+QTM_BEGIN_NAMESPACE
+
+class GConfLayer : public QAbstractValueSpaceLayer
+{
+    Q_OBJECT
+
+public:
+    GConfLayer();
+    virtual ~GConfLayer();
+
+protected:
+    /*virtual*/ QString name();
+
+    /*virtual*/ bool startup(Type type);
+
+    /*virtual*/ QUuid id();
+    /*virtual*/ unsigned int order();
+
+    /*virtual*/ Handle item(Handle parent, const QString &subPath);
+    /*virtual*/ void removeHandle(Handle handle);
+    /*virtual*/ void setProperty(Handle handle, Properties properties);
+
+    /*virtual*/ bool value(Handle handle, QVariant *data);
+    /*virtual*/ bool value(Handle handle, const QString &subPath, QVariant *data);
+    /*virtual*/ QSet<QString> children(Handle handle);
+
+    /*virtual*/ QValueSpace::LayerOptions layerOptions() const;
+
+    /* QValueSpaceSubscriber functions */
+    /*virtual*/ bool supportsInterestNotification() const;
+    /*virtual*/ bool notifyInterest(Handle handle, bool interested);
+
+    /* QValueSpacePublisher functions */
+    /*virtual*/ bool setValue(QValueSpacePublisher *creator, Handle handle,
+                              const QString &subPath, const QVariant &value);
+    /*virtual*/ bool removeValue(QValueSpacePublisher *creator, Handle handle,
+                                 const QString &subPath);
+    /*virtual*/ bool removeSubTree(QValueSpacePublisher *creator, Handle handle);
+    /*virtual*/ void addWatch(QValueSpacePublisher *creator, Handle handle);
+    /*virtual*/ void removeWatches(QValueSpacePublisher *creator, Handle parent);
+    /*virtual*/ void sync();
+
+public:
+    static GConfLayer *instance();
+
+private slots:
+    void notifyChanged(const QString &key, const QVariant &value);
+
+private:
+    struct GConfHandle {
+        GConfHandle(const QString &p)
+        :   path(p), refCount(1)
+        {
+        }
+
+        QString path;
+        unsigned int refCount;
+    };
+
+    QHash<QString, GConfHandle *> m_handles;
+
+    GConfHandle *gConfHandle(Handle handle)
+    {
+        if (handle == InvalidHandle)
+            return 0;
+
+        GConfHandle *h = reinterpret_cast<GConfHandle *>(handle);
+        if (m_handles.values().contains(h))
+            return h;
+
+        return 0;
+    }
+
+    //private methods not locking a mutex
+    bool getValue(Handle handle, const QString &subPath, QVariant *data);
+    Handle getItem(Handle parent, const QString &subPath);
+    void doRemoveHandle(Handle handle);
+
+private:    //data
+    QSet<GConfHandle *> m_monitoringHandles;
+    QMap<QString, GConfItem *> m_monitoringItems;
+    QMutex m_mutex;
+};
+
+QTM_END_NAMESPACE
+
+#endif //GCONFLAYER_H