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 private engine class

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

    16  *							the state of the Psy by using the location framework apis.

    17  *							

    18  *

    19  */

    20 

    21 #ifndef POSPSYSETTINGSENGINEPRIVATE_H

    22 #define POSPSYSETTINGSENGINEPRIVATE_H

    23 

    24 #include "pospsysettingscommon.h"

    25 

    26 #include <qlist.h>

    27 #include <qstring.h>

    28 #include <EPos_MPosModulesObserver.h>

    29 

    30 /**

    31  * The class defines the interface for receiving position

    32  * technology change event.The class interested in position

    33  * technology change should inherit from this class.

    34  */

    35 class PositionTechnologyChangeObserver

    36     {

    37 public:

    38     virtual void handlePositionTechnologyChange() = 0;

    39     };

    40 

    41 

    42 // Forward declarations

    43 class CPosModules;

    44 class PosPsySettingsEngine;

    45 

    46 class PosPsySettingsEnginePrivate : public MPosModulesObserver

    47     {

    48 public:

    49     /**

    50      * Constructor

    51      */

    52     PosPsySettingsEnginePrivate( PositionTechnologyChangeObserver& 

    53             posTechChangeObserver);

    54 

    55     /**

    56      * Destructor

    57      */

    58 

    59     ~PosPsySettingsEnginePrivate();

    60 

    61     /**

    62      * This method lists all the PSY that are available

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

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

    65      *           KErrNotFound - if no Psy available.

    66      */

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

    68 

    69     /**

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

    71      * action of either enabling/disabling the Psy.

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

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

    74      */

    75 

    76     int changePsyState( TUid psyModuleId, PosPsyState psyState );

    77     

    78 public: // from MPosModulesObserver

    79     virtual void HandleSettingsChangeL( TPosModulesEvent aEvent );

    80 

    81 private:

    82     /**

    83      * This method uses the location framework apis to get the list of available psy

    84      */

    85     void listPsysL();

    86     /**

    87      * This method uses the location framework apis to manipulate the state of the Psy

    88      */

    89     void changePsyStateL( TUid psyModuleId, PosPsyState psyState );

    90 private :

    91     /**

    92      * Pointer to CPosModules

    93      * Owns

    94      */

    95     CPosModules* mPosModules;

    96     

    97     /**

    98      * Contains list of PSY info

    99      * Own

   100      */

   101     RArray<PosPsyInfo> mPsyInfoList;

   102     /**

   103      * Reference to position technology change observer.

   104      */

   105     PositionTechnologyChangeObserver& mPosTechChangeObserver;

   106     /*

   107      * POinter to the name of the psy

   108      * ToDo: Should be removed

   109      */

   110     QList<QString*> mNameList;

   111     

   112     friend class PosPsySettingsEngine;

   113     };

   114 

   115 #endif /* POSPSYSETTINGSENGINEPRIVATE_H */