1 /*

     2 * Copyright (c) 2009 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:

    15 *

    16 */

    17 

    18 #ifndef RADIOFREQUENCYSCANNINGHANDLER_H

    19 #define RADIOFREQUENCYSCANNINGHANDLER_H

    20 

    21 // System includes

    22 #include <QObject>

    23 #include <QMap>

    24 

    25 // User includes

    26 #include "mradioscanobserver.h"

    27 

    28 // Forward declarations

    29 class RadioEngineWrapperPrivate;

    30 

    31 // Constants

    32 

    33 // Class declaration

    34 class RadioFrequencyScanningHandler : public QObject

    35                                     , public MRadioScanObserver

    36     {

    37     Q_OBJECT

    38 public:

    39 

    40     explicit RadioFrequencyScanningHandler( RadioEngineWrapperPrivate& radioEngine );

    41 

    42 // from base class MRadioScanObserver

    43 

    44     void ScanFrequencyEventL( TUint32 aFrequency );

    45     void ScanCompletedEventL( TInt aError );

    46 

    47 // New functions

    48 

    49     /*!

    50      * Starts the scanning

    51      * @param muted flag to indicate if the audio was already muted when scanning began

    52      */

    53     void startScanning( bool muted );

    54 

    55     /*!

    56      * Adds a new station that was found

    57      * @param frequency Frequency of the found station

    58      */

    59     void addFoundStation( const uint frequency );

    60 

    61     /*!

    62      * Cancels the scanning process

    63      */

    64     void cancel();

    65 

    66 private slots:

    67 

    68     void delayedStart();

    69 

    70 private: // data

    71 

    72     /**

    73      * Reference to the engine

    74      */

    75     RadioEngineWrapperPrivate&  mEngine;

    76 

    77     /**

    78      * Last scanned frequency. Used to know when the scanning has looped around the

    79      * frequency band and it should stop

    80      */

    81     uint                        mLastFoundFrequency;

    82     };

    83 

    84 #endif // RADIOFREQUENCYSCANNINGHANDLER_H