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 #ifndef CRADIOPUBSUBIMP_H

    18 #define CRADIOPUBSUBIMP_H

    19 

    20 // User includes

    21 #include "cradiopubsub.h"

    22 #include "cradiopropertyobserver.h"

    23 

    24 /**

    25  *  Publish & Subscribe interface of Radio Application.

    26  */

    27 NONSHARABLE_CLASS( CRadioPubSubImp ) : public CRadioPubSub

    28                                      , public MRadioPropertyChangeObserver

    29     {

    30 public:

    31 

    32     static CRadioPubSubImp* NewL();

    33 

    34     ~CRadioPubSubImp();

    35 

    36 private:

    37 

    38     CRadioPubSubImp();

    39 

    40     void ConstructL();

    41 

    42 // from base class CRadioPubSub

    43 

    44     TBool PublishChannel( TInt aChannelId ) const;

    45     TBool PublishFrequency( TUint32 aFreq ) const;

    46     TBool PublishPowerState( TBool aPowerOn ) const;

    47     TBool PublishVolume( TInt aVol ) const;

    48     TBool PublishChannelDataChanged( TInt aChannelId ) const;

    49     TBool PublishTuningState( TRadioPSTuningState aTuningState ) const;

    50     TBool PublishRadioMuteState( TBool aMuted ) const;

    51     TBool PublishApplicationRunningState( TRadioPSApplicationRunningState aRunningState ) const;

    52     TBool PublishHeadsetStatus( TRadioPSHeadsetStatus aHeadsetStatus ) const;

    53     TBool PublishFrequencyDecimalCount( TRadioPSFrequencyDecimalCount aDecimalCount ) const;

    54     TBool PublishLoudspeakerStatus( TRadioPSLoudspeakerStatus aLoudspeakerStatus ) const;

    55     TBool PublishRdsProgramService( const TDesC& aProgramService ) const;

    56     TBool PublishRdsRadioText( const TDesC& aRadioText ) const;

    57     TBool PublishChannelName( const TDesC& aName ) const;

    58     TBool PublishActivePreseListCount( TInt aCount ) const;

    59     TBool PublishActivePreseListFocus( TInt aIndex ) const;

    60     TBool PublishAntennaState( TRadioPSRadioAntennaState aState ) const;

    61     void SetControlEventObserver( MRadioControlEventObserver* aControlEventObserver );

    62 

    63 // from base class MVRPropertyChangeObserver

    64 

    65     void HandlePropertyChangeL( const TUid& aCategory, const TUint aKey, const TInt aValue );

    66     void HandlePropertyChangeL( const TUid& /*aCategory*/, const TUint /*aKey*/, const TDesC8& /*aValue*/ ) {}

    67     void HandlePropertyChangeL( const TUid& /*aCategory*/, const TUint /*aKey*/, const TDesC& /*aValue*/ ) {}

    68     void HandlePropertyChangeErrorL( const TUid& /*aCategory*/, const TUint /*aKey*/, TInt /*aError*/ ) {}

    69 

    70 // New functions

    71 

    72     /**

    73      * Defines a property.

    74      *

    75      * @param aKey The key of the property.

    76      * @param aAttr Attributes of the property.

    77      * @param aDataProperty ETrue if the property is a data property, EFalse

    78      * if it is a control property

    79      */

    80     void DefinePropertyL( TUint aKey, TInt aAttr, TBool aDataProperty ) const;

    81 

    82     /**

    83      * Deletes a property.

    84      *

    85      * @param aKey The key of the property.

    86      */

    87     void DeleteProperty( TUint aKey ) const;

    88 

    89     /**

    90      * Creates a property observer

    91      *

    92      * @param aKey Property key

    93      * @param aPropertyType Property type

    94      */

    95     void CreatePropertyObserverL( const TUint aKey, const TInt aPropertyType );

    96 

    97     /**

    98      * Gets the integer value stored in a property.

    99      *

   100      * @param    aKey    The key of the property.

   101      * @return   The value contained in the property.

   102      */

   103     TBool Get( TUint aKey, TInt& aValue ) const;

   104 

   105     /**

   106      * Sets the value in an integer property.

   107      *

   108      * @param    aKey    The key of the property.

   109      * @param    aValue  The value to set.

   110      */

   111     TBool Set( TUint aKey, TInt aValue ) const;

   112 

   113     /**

   114      * Sets the value in a text property.

   115      *

   116      * @param    aKey    The key of the property.

   117      * @param    aValue  The value to set.

   118      */

   119     TBool Set( TUint aKey, const TDesC& aValue ) const;

   120 

   121 private: // data

   122 

   123     /**

   124      * Pointer to observer in UI side, can be NULL. Not owned.

   125      */

   126     MRadioControlEventObserver*           iObserver;

   127 

   128     /**

   129      * An array of handlers to P&S interface.

   130      */

   131     RPointerArray<CRadioPropertyObserver> iPropertyArray;

   132 

   133     };

   134 

   135 #endif // CRADIOPUBSUBIMP_H