/*

* 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 C_RADIOENGINESETTINGS_H

#define C_RADIOENGINESETTINGS_H

#include "mradioenginesettings.h"

#include "mradiosettingssetter.h"

#include "cradioregion.h"

#include "mradiorepositoryentityobserver.h"

#include "cradiosettingsbase.h"

class MRadioSettingsObserver;

/**

 * Concrete implementation of radio settings.

 */

NONSHARABLE_CLASS( CRadioEngineSettings ) : public CRadioSettingsBase

                                          , public MRadioSettingsSetter

                                          , public MRadioRepositoryEntityObserver

    {

public:

    static CRadioEngineSettings* NewL( CRadioRepositoryManager& aRepositoryManager, CCoeEnv& aCoeEnv );

    ~CRadioEngineSettings();

    /**

     * Determines if region is allowed.

     */

    TBool IsRegionAllowed( TRadioRegion aRegionId ) const;

private:

    CRadioEngineSettings( CRadioRepositoryManager& aRepositoryManager, CCoeEnv& aCoeEnv );

    void ConstructL();

// from base class MRadioEngineSettings

    TInt HeadsetVolume() const;

    TInt SpeakerVolume() const;

    TInt Volume() const;

    TInt OutputMode() const;

    TInt AudioRoute() const;

    TBool IsHeadsetVolMuted() const;

    TBool IsSpeakerVolMuted() const;

    TBool IsVolMuted() const;

    TBool IsPowerOn() const;

    TUint32 TunedFrequency() const;

    TInt DefaultMinVolumeLevel() const;

    TInt CountRegions() const;

    CRadioRegion& Region( TInt aIndex ) const;

    TRadioRegion RegionId() const;

    TUint32 FrequencyStepSize() const;

    TUint32 MaxFrequency() const;

    TUint32 MinFrequency() const;

    TInt DecimalCount() const;

    TBool RdsAfSearchEnabled() const;

    TRadioRegion DefaultRegion() const;

    TPtrC NetworkId() const;

    TPtrC SubscriberId() const;

    TPtrC CountryCode() const;

// from base class MRadioSettingsSetter

    void SetObserver( MRadioSettingsObserver* aObserver );

    TInt SetHeadsetVolume( TInt aVolume );

    TInt SetSpeakerVolume( TInt aVolume );

    TInt SetVolume( TInt aVolume );

    TInt SetOutputMode( TInt aOutputMode );

    TInt SetAudioRoute( TInt aAudioRoute );

    TInt SetHeadsetVolMuted( TBool aMuted );

    TInt SetSpeakerVolMuted( TBool aMuted );

    TInt SetVolMuted( TBool aMuted );

    TInt SetPowerOn( TBool aPowerState );

    TInt SetTunedFrequency( TUint32 aFrequency );

    TInt SetRegionId( TInt aRegion );

    TInt SetRdsAfSearch( TBool aEnabled );

    TInt SetNetworkId( const TDesC& aNetworkId );

    TInt SetSubscriberId( const TDesC& aSubscriberId );

    TInt SetCountryCode( const TDesC& aCountryCode );

// from base class MRadioRepositoryEntityObserver

    void HandleRepositoryValueChangeL( const TUid& aUid, TUint32 aKey, TInt aValue, TInt aError );

    void HandleRepositoryValueChangeL( const TUid& /*aUid*/, TUint32 /*aKey*/, const TReal& /*aValue*/, TInt /*aError*/ ) {}

    void HandleRepositoryValueChangeL( const TUid& /*aUid*/, TUint32 /*aKey*/, const TDesC8& /*aValue*/, TInt /*aError*/ ) {}

    void HandleRepositoryValueChangeL( const TUid& /*aUid*/, TUint32 /*aKey*/, const TDesC16& /*aValue*/, TInt /*aError*/ ) {}

// New functions

    /**

     * Initializes the regions as defined in the resource file.

     */

    void InitializeRegionsL();

    /**

     * Converts Region ID to index

     *

     * @param aRegionId The region ID that is wanted to convert

     * @return The region index, KErrNotFound if no match found

     */

    TInt RegionIndexForId( TInt aRegionId ) const;

    /**

     * Updates the current region index

     *

     * @param aRegionId The new region ID

     */

     void UpdateCurrentRegionIdx( TInt aRegionId );

private: // data

    /**

     * The observer for the setting changes.

     * Not own.

     */

    MRadioSettingsObserver* iObserver;

    /**

     * The available regions.

     */

    RRadioRegionArray       iRegions;

    /**

     * The current region.

     */

    TInt                    iCurrentRegionIdx;

    };

#endif // C_RADIOENGINESETTINGS_H