/*

 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: Declaration of the Positioning Methods engine class

 *							used to get the list of available Psy & to manipulate 

 *							the state of the Psy.

 *							

 *

 */

#ifndef POSPSYSETTINGSENGINE_H

#define POSPSYSETTINGSENGINE_H

#include "pospsysettingsengineprivate.h"

#include <QObject>

#include <qglobal.h>

class PosPsySettingsEngine : public QObject,

        public PositionTechnologyChangeObserver

    {

Q_OBJECT

public:

    /**

     * Constructor

     */

    PosPsySettingsEngine();

    /**

     * Destructor

     */

    ~PosPsySettingsEngine();

    /**

     * This method lists all the PSY that are available

     * @param[out] psyList - Contains the list of psys that are available

     * @return - KErrNone - if successfully finds any Psy

     *           KErrNotFound - if no Psy available.

     */

    int listPsys(QList<PosPsyInfo>& psyList);

    /**

     * This method is used to change the state of the Psy based on the user's

     * action of either enabling/disabling the Psy.

     * @param[in] psyModuleId - the uid of the Psy whose state is to be changed.

     * @param[in] psyState - The value of state to which the Psy has to be changed.

     */

    int changePsyState(TUid psyModuleId, PosPsyState psyState);

public: // from PositionTechnologyChangeObserver

    void handlePositionTechnologyChange();

private:

signals:

    /**

     * This signal is emitted when there is change in PSY wrt to 

     * its availabilty, state etc.. 

     */

    void PSYChange();

private:

    Q_DECLARE_PRIVATE_D(d_ptr, PosPsySettingsEngine)

private:

    /**

     * POinter to the PosPsySettingsEnginePrivate

     * Owns

     */

    PosPsySettingsEnginePrivate* d_ptr;

    };

#endif /* POSPSYSETTINGSENGINE_H */