1 /****************************************************************************

     2 **

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

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QGEOSATELLITEINFOSOURCE60_H_

    43 #define QGEOSATELLITEINFOSOURCE60_H_

    44 

    45 // INCLUDES

    46 #include <e32std.h>

    47 #include <e32base.h>

    48 #include <lbs.h>

    49 #include "qgeosatelliteinfosource.h"

    50 #include "notificationsatellitecallback_s60_p.h"

    51 

    52 #define MAX_SIZE 5

    53 

    54 QTM_BEGIN_NAMESPACE

    55 

    56 // CLASS DECLARATION

    57 //forward declaration

    58 class CQMLBackendAO;

    59 

    60 class CSatMethodInfo

    61 {

    62 public:

    63     // A unique id for the positioning module

    64     TPositionModuleId  mUid;

    65 

    66     // current status of the module

    67     int  mStatus;

    68 

    69     // time to first and next fix from the location server

    70     TTimeIntervalMicroSeconds  mTimeToFirstFix;

    71     TTimeIntervalMicroSeconds  mTimeToNextFix;

    72 

    73     // Accuracy

    74     double mHorizontalAccuracy;

    75 

    76     // Flags whether the positioning technology is currently available or not.

    77     bool mIsAvailable;

    78 };

    79 

    80 

    81 /**

    82  *  CQGeoSatelliteInfoSourceS60

    83  *

    84  */

    85 class CQGeoSatelliteInfoSourceS60 : public INotificationSatelliteCallback,

    86             public QGeoSatelliteInfoSource

    87 

    88 {

    89 public:

    90     // Constructors and destructor

    91     /**

    92      * Destructor.

    93      */

    94     ~CQGeoSatelliteInfoSourceS60();

    95 

    96     /**

    97      * Two-phased constructor.

    98      */

    99     static CQGeoSatelliteInfoSourceS60* NewL(QObject* aParent);

   100 

   101     /**

   102      * Two-phased constructor.

   103      */

   104     static CQGeoSatelliteInfoSourceS60* NewLC(QObject* aParent);

   105 

   106     /**

   107      * Notification methods from active object.

   108      * Notifies device status, position value, and status

   109      */

   110     void updateDeviceStatus(void) ;

   111 

   112     /**

   113      * Update the position info

   114      */

   115     void updatePosition(TPositionSatelliteInfo aPosSatInfo, int aError , bool isStartUpdate);

   116 

   117 

   118     /**

   119      * Gets the handle of the PositionServer

   120      */

   121     RPositionServer& getPositionServer() {

   122         return mPositionServer;

   123     }

   124 

   125     int minimumUpdateInterval() const;

   126 

   127     /*

   128      * checks whether the object is valid

   129      */

   130     inline TBool isValid() {

   131         if (mDevStatusUpdateAO && mRegUpdateAO)

   132             return TRUE;

   133         else

   134             return FALSE;

   135     }

   136 

   137     inline TPositionModuleId getCurrentPositonModuleID() {

   138         return mCurrentModuleId;

   139     }

   140 

   141     inline TPositionModuleId getRequestUpdateModuleID() {

   142         return mReqModuleId;

   143     }

   144 

   145 public slots :

   146     // for request update

   147     void requestUpdate(int timeout = 5000);

   148 

   149     // starts the regular updates

   150     virtual void startUpdates();

   151 

   152     // stops the regular updates

   153     virtual void stopUpdates();

   154 

   155 

   156 private:

   157 

   158     /**

   159      * Constructor for performing 1st stage construction

   160      */

   161     CQGeoSatelliteInfoSourceS60(QObject* aParent = 0);

   162 

   163     /**

   164      * EPOC default constructor for performing 2nd stage construction

   165      */

   166     void ConstructL();

   167 

   168     void updateStatus(TPositionModuleInfo aModInfo, TInt aStatus);

   169 

   170     //get the index of the module in the List array

   171     TInt checkModule(TPositionModuleId aId) const;

   172 

   173     //get the index of the position module based on the preferred methods

   174     TInt getIndexPositionModule(TUint8 aBits) const;

   175 

   176     //get the more accuarte method with time to first fix < than timeout

   177     TInt getMoreAccurateMethod(TInt aTimeout, TUint8 aBits);

   178 

   179     void TPositionSatelliteInfo2QGeoSatelliteInfo(TPositionSatelliteInfo aSatInfo,

   180             QList<QGeoSatelliteInfo> &qListSatInView,

   181             QList<QGeoSatelliteInfo> &qListSatInUse);

   182 

   183 

   184 protected:

   185     void connectNotify(const char *aSignal);

   186 

   187     void disconnectNotify(const char *aSignal);

   188 

   189 private:

   190     /**

   191     *  current module ID

   192     */

   193     TPositionModuleId mCurrentModuleId;

   194 

   195     /**

   196     *prvmoduleID

   197     */

   198     TPositionModuleId mReqModuleId;

   199 

   200     /**

   201     * Active object for device status updates

   202     */

   203     CQMLBackendAO * mDevStatusUpdateAO;

   204 

   205     /**

   206     * Active object for requestUpdate

   207     */

   208     CQMLBackendAO * mReqUpdateAO;

   209 

   210     /**

   211     * Active object for regular updates.

   212     */

   213     CQMLBackendAO * mRegUpdateAO;

   214 

   215     /**

   216      * Positioner server

   217      */

   218     RPositionServer mPositionServer;

   219 

   220 

   221     /*

   222      * Number of Satellites in View

   223      */

   224     QList<QGeoSatelliteInfo> mqListSatInView;

   225 

   226     /*

   227      * Numberof Satellites in Use

   228      */

   229     QList<QGeoSatelliteInfo> mqListSatInUse;

   230 

   231     /**

   232     *  list of supported position methods

   233     */

   234     CSatMethodInfo mList[MAX_SIZE];

   235 

   236     /**

   237      * maintaiss the size of thr CPosMethodInfo array

   238      */

   239     int mListSize;

   240 

   241     /*

   242      * query for the status

   243      */

   244     TPositionModuleStatusEvent  mStatusEvent;

   245 

   246     /*

   247      * maintain the startUpdates status

   248      */

   249     TBool mStartUpdates;

   250 

   251     /*

   252      * flags for the modules

   253      */

   254     TUint8  mModuleFlags;

   255 };

   256 

   257 QTM_END_NAMESPACE

   258 

   259 #endif /* QGEOSATELLITEINFOSOURCE60_H_ */