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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
// Make doxygen skip this internal class
//! \cond
#ifndef SERVICEMAPPER_H
#define SERVICEMAPPER_H
#include <QObject>
#include <QStringList>
#include <QMap>
#include <QFileSystemWatcher>
class MServiceMapperPrivate;
class MServiceMapper : public QObject
{
Q_OBJECT
public:
/*
* \brief Constructs a service mapper
*/
MServiceMapper(const QString &serviceFileDir);
/*
* \brief Destructor
*/
virtual ~MServiceMapper();
public Q_SLOTS:
/*
* \brief Returns a list of service names for services that implement the given interface.
* \param interfaceName Name of the interface; default="" lists all services
* \return List of service names
*/
QStringList serviceNames(const QString &interfaceName = "");
/*
* \brief List the preferred service for the given interface
* \param interfaceName Name of the interface
* \return Name of the service
*/
QString serviceName(const QString &interfaceName);
/*
* \brief Get the path for the given interface
* \param interfaceName Name of the interface
* \return Name of the service path
*/
QString servicePath(const QString &interfaceName) const;
/*
* \brief Get the interface for the given service
* \param serviceName Name of the interface
* \return Name of the service
*/
QString interfaceName(const QString &serviceName) const;
Q_SIGNALS:
/*
* \brief A signal that is emitted when a service becomes available
* \param service The name of the service that has become available
* \param interface The name of the interface
*/
void serviceAvailable(const QString &service, const QString &interface);
/*
* \brief A signal that is emitted when the last service implementing
* the interface becomes unavailable.
* \param service The name of the service that has become unavailable
*/
void serviceUnavailable(const QString &service);
private Q_SLOTS:
/*
* \brief Handle the situation when a service has changed by a dbus
* .service file being created or deleted.
* \param path The directory that has been changed.
*/
void handleServiceChanged(const QString &path);
private:
QString preferredService(const QStringList &serviceList) const;
QStringList serviceFileList() const;
QMap<QString, QString> serviceInterfacePair(const QString &filePath) const;
void fillServiceFileInfo();
private:
enum { LAST_LIST, CURR_LIST };
MServiceMapperPrivate *d_ptr;
#ifdef UNIT_TEST
friend class Ut_MServiceMapper;
#endif // UNIT_TEST
};
#endif
//! \endcond
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