diff -r 000000000000 -r 876b1a06bc25 src/publishsubscribe/gconflayer_linux_p.h --- /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 +#include "gconfitem_p.h" +#include + +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 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 m_handles; + + GConfHandle *gConfHandle(Handle handle) + { + if (handle == InvalidHandle) + return 0; + + GConfHandle *h = reinterpret_cast(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 m_monitoringHandles; + QMap m_monitoringItems; + QMutex m_mutex; +}; + +QTM_END_NAMESPACE + +#endif //GCONFLAYER_H