/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef CRADIOPUBSUBIMP_H

#define CRADIOPUBSUBIMP_H

// User includes

#include "cradiopubsub.h"

#include "cradiopropertyobserver.h"

/**

 *  Publish & Subscribe interface of Radio Application.

 */

NONSHARABLE_CLASS( CRadioPubSubImp ) : public CRadioPubSub

                                     , public MRadioPropertyChangeObserver

    {

public:

    static CRadioPubSubImp* NewL();

    ~CRadioPubSubImp();

private:

    CRadioPubSubImp();

    void ConstructL();

// from base class CRadioPubSub

    TBool PublishChannel( TInt aChannelId ) const;

    TBool PublishFrequency( TUint32 aFreq ) const;

    TBool PublishPowerState( TBool aPowerOn ) const;

    TBool PublishVolume( TInt aVol ) const;

    TBool PublishChannelDataChanged( TInt aChannelId ) const;

    TBool PublishTuningState( TRadioPSTuningState aTuningState ) const;

    TBool PublishRadioMuteState( TBool aMuted ) const;

    TBool PublishApplicationRunningState( TRadioPSApplicationRunningState aRunningState ) const;

    TBool PublishHeadsetStatus( TRadioPSHeadsetStatus aHeadsetStatus ) const;

    TBool PublishFrequencyDecimalCount( TRadioPSFrequencyDecimalCount aDecimalCount ) const;

    TBool PublishLoudspeakerStatus( TRadioPSLoudspeakerStatus aLoudspeakerStatus ) const;

    TBool PublishRdsProgramService( const TDesC& aProgramService ) const;

    TBool PublishRdsRadioText( const TDesC& aRadioText ) const;

    TBool PublishChannelName( const TDesC& aName ) const;

    TBool PublishActivePreseListCount( TInt aCount ) const;

    TBool PublishActivePreseListFocus( TInt aIndex ) const;

    TBool PublishAntennaState( TRadioPSRadioAntennaState aState ) const;

    void SetControlEventObserver( MRadioControlEventObserver* aControlEventObserver );

// from base class MVRPropertyChangeObserver

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

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

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

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

// New functions

    /**

     * Defines a property.

     *

     * @param aKey The key of the property.

     * @param aAttr Attributes of the property.

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

     * if it is a control property

     */

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

    /**

     * Deletes a property.

     *

     * @param aKey The key of the property.

     */

    void DeleteProperty( TUint aKey ) const;

    /**

     * Creates a property observer

     *

     * @param aKey Property key

     * @param aPropertyType Property type

     */

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

    /**

     * Gets the integer value stored in a property.

     *

     * @param    aKey    The key of the property.

     * @return   The value contained in the property.

     */

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

    /**

     * Sets the value in an integer property.

     *

     * @param    aKey    The key of the property.

     * @param    aValue  The value to set.

     */

    TBool Set( TUint aKey, TInt aValue ) const;

    /**

     * Sets the value in a text property.

     *

     * @param    aKey    The key of the property.

     * @param    aValue  The value to set.

     */

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

private: // data

    /**

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

     */

    MRadioControlEventObserver*           iObserver;

    /**

     * An array of handlers to P&S interface.

     */

    RPointerArray<CRadioPropertyObserver> iPropertyArray;

    };

#endif // CRADIOPUBSUBIMP_H