1 /*

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

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

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

     6  * which accompanies this distribution, and is available

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

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description: Declaration of the Positioning Methods engine class

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

    16  *							the state of the Psy.

    17  *							

    18  *

    19  */

    20 

    21 #ifndef POSPSYSETTINGSENGINE_H

    22 #define POSPSYSETTINGSENGINE_H

    23 

    24 #include "pospsysettingsengineprivate.h"

    25 

    26 #include <QObject>

    27 #include <qglobal.h>

    28 

    29 class PosPsySettingsEngine : public QObject,

    30         public PositionTechnologyChangeObserver

    31     {

    32 Q_OBJECT

    33 

    34 public:

    35     /**

    36      * Constructor

    37      */

    38     PosPsySettingsEngine();

    39 

    40     /**

    41      * Destructor

    42      */

    43 

    44     ~PosPsySettingsEngine();

    45 

    46     /**

    47      * This method lists all the PSY that are available

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

    49      * @return - KErrNone - if successfully finds any Psy

    50      *           KErrNotFound - if no Psy available.

    51      */

    52     int listPsys(QList<PosPsyInfo>& psyList);

    53 

    54     /**

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

    56      * action of either enabling/disabling the Psy.

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

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

    59      */

    60 

    61     int changePsyState(TUid psyModuleId, PosPsyState psyState);

    62     

    63 public: // from PositionTechnologyChangeObserver

    64     void handlePositionTechnologyChange();

    65 

    66 private:

    67 signals:

    68     /**

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

    70      * its availabilty, state etc.. 

    71      */

    72     void PSYChange();

    73 private:

    74     Q_DECLARE_PRIVATE_D(d_ptr, PosPsySettingsEngine)

    75 private:

    76     /**

    77      * POinter to the PosPsySettingsEnginePrivate

    78      * Owns

    79      */

    80     PosPsySettingsEnginePrivate* d_ptr;

    81     };

    82 

    83 #endif /* POSPSYSETTINGSENGINE_H */