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/****************************************************************************
**
** 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 QVALUESPACE_P_H
#define QVALUESPACE_P_H
#include "qmobilityglobal.h"
#include "qvaluespace.h"
#include <QObject>
#include <QUuid>
QTM_BEGIN_NAMESPACE
class QValueSpacePublisher;
QString qCanonicalPath(const QString &path);
#ifdef QT_SIMULATOR
QString qAddSimulatorPrefix(const QString &path);
#endif
class QM_AUTOTEST_EXPORT QAbstractValueSpaceLayer : public QObject
{
Q_OBJECT
public:
typedef quintptr Handle;
static const Handle InvalidHandle = ~Handle(0);
virtual QString name() = 0;
enum Type { Server, Client };
virtual bool startup(Type type) = 0;
virtual QUuid id() = 0;
virtual unsigned int order() = 0;
enum Properties { Publish = 0x00000001 };
virtual Handle item(Handle parent, const QString &subPath) = 0;
virtual void removeHandle(Handle handle) = 0;
virtual void setProperty(Handle handle, Properties properties) = 0;
virtual bool value(Handle handle, QVariant *data) = 0;
virtual bool value(Handle handle, const QString &subPath, QVariant *data) = 0;
virtual QSet<QString> children(Handle handle) = 0;
virtual QValueSpace::LayerOptions layerOptions() const = 0;
/* QValueSpaceSubscriber functions */
virtual bool supportsInterestNotification() const = 0;
virtual bool notifyInterest(Handle handle, bool interested) = 0;
/* QValueSpacePublisher functions */
virtual bool setValue(QValueSpacePublisher *creator, Handle handle,
const QString &subPath, const QVariant &value) = 0;
virtual bool removeValue(QValueSpacePublisher *creator, Handle handle,
const QString &subPath) = 0;
virtual bool removeSubTree(QValueSpacePublisher *creator, Handle handle) = 0;
virtual void addWatch(QValueSpacePublisher *creator, Handle handle) = 0;
virtual void removeWatches(QValueSpacePublisher *creator, Handle parent) = 0;
virtual void sync() = 0;
protected:
/* QValueSpacePublisher functions */
void emitInterestChanged(QValueSpacePublisher *publisher, const QString &attribute,
bool interested);
signals:
void handleChanged(quintptr);
};
namespace QValueSpace {
typedef QAbstractValueSpaceLayer *(*LayerCreateFunc)();
QM_AUTOTEST_EXPORT void installLayer(LayerCreateFunc func);
QM_AUTOTEST_EXPORT void installLayer(QAbstractValueSpaceLayer *layer);
struct AutoInstall {
AutoInstall(LayerCreateFunc func) { installLayer(func); }
};
}
#define QVALUESPACE_AUTO_INSTALL_LAYER(name) \
QAbstractValueSpaceLayer * _qvaluespaceauto_layercreate_ ## name() \
{ \
return name::instance(); \
} \
static QValueSpace::AutoInstall _qvaluespaceauto_ ## name(_qvaluespaceauto_layercreate_ ## name);
QTM_END_NAMESPACE
#endif // QVALUESPACE_P_H
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