/*

* Copyright (c) 2007 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:  Declaration for the class CFMRadioMCPPlugin.

*

*/

#ifndef FMRADIOMCPPLUGIN_H

#define FMRADIOMCPPLUGIN_H

#include <fmradiointernalpskeys.h>

#include <mcpplugin.h>

#include <mcppluginobserver.h>

#include "fmradioactiveidleenginenotifyhandler.h"

class CFMRadioActiveIdleEngine;

class MFMRadioActiveIdleEngineNotifyHandler;

/**

* Music content publisher plugin for FM Radio.

*

* Implements plugin which publishes FM Radio state to affected parties.

* 

* @lib fmradiomcpplugin100.lib

* 

*/

NONSHARABLE_CLASS( CFMRadioMCPPlugin ) : public CMCPPlugin,

                                         public MFMRadioActiveIdleEngineNotifyHandler

    {

public:

    static CFMRadioMCPPlugin* NewL( MMCPPluginObserver* aObserver );

    ~CFMRadioMCPPlugin();

// from base class CMCPPlugin

    void Deactivate();

// from base class MFMRadioActiveIdleEngineNotifyHandler

    void HandleRadioVolumeChangeL( TInt aVolume );

    void HandleTuningStateChangeL( TFMRadioPSTuningState aTuningState );

    void HandleFrequencyChangeL( TInt aFrequency );

    void HandleChannelChangeL( TInt aId );

    void HandleChannelModifyL( TInt aId );

    void HandleMuteStateChangeL( TFMRadioPSRadioMuteState aMuteState );

    void HandleApplicationRunningStateChangeL( TFMRadioPSApplicationRunningState aRunningState );

    void HandleFrequencyDecimalCountChangeL( TFMRadioPSFrequencyDecimalCount aDecimalCount );

    void HandleAntennaStatusChangeL( TFMRadioPSHeadsetStatus aAntennaStatus );

    void HandlePowerStateChangeL( TFMRadioPSRadioPowerState aPowerState );

    void HandleRDSProgramServiceChangeL( const TDesC& aProgramService );

    void HandleRDSRadioTextChangeL( const TDesC& aRdsText );

    void HandleChannelNameChangeL( const TDesC& aName );

    void HandlePresetListCountChangeL( TInt aPresetCount );    

    void HandlePresetListFocusChangeL( TInt aPresetFocus );  

private:

    void InstallFMRadioCommandActionL( const TDesC& aCommand, TMCPTriggerDestination aDestination );

    void ActivateL();

    void InstallEmptyActionL( TMCPTriggerDestination aDestination );

    void DimmNextAndPrevious();

    void PublishApplicationIconL( TMCPImageDestination aDestination );

    void PublishFrequencyL( TInt aFrequency, TMCPTextDestination aDestination );

    void UpdatePublishedToolBarL(TUint aToolBarState);

    void UpdateToolBarL( TBool aForceApplicationClosing = EFalse );    

    void UpdateMusicWidgetTextL( TBool aForceApplicationClosing = EFalse );

    /**

     * Transfers the given frequency number as a descriptor

     * @param aFrequency The frequency to be formatted

     * @return The frequency descriptor. Pushed to Cleanup Stack. Ownership is transfered.

     */

    HBufC* FrequencyStringLC( TInt aFrequency );

private:

    CFMRadioMCPPlugin( MMCPPluginObserver* aObserver );

    void ConstructL();

    void InitializeResourceLoadingL();

private:

    MMCPPluginObserver* iObserver;

    CFMRadioActiveIdleEngine* iEngine;

    TBool iActive;

    TInt iResourceOffset;

    RBuf iAntennaNotConnectedText;

    RBuf iTuningText;

    RBuf iSavedStationFormat;

    RBuf iSavedStationFormatNoName;

    RBuf iFrequencyFormat;

    TUint iTbPreviousState;

    TUint iTbMuteUnmuteState;

    TUint iTbNextState;

    TInt iPresetCount;

    /**

     * Name of the mif-file that provides the published icons.

     * Owned.

     */

    RBuf iMifFileName;

    };

#endif /* FMRADIOMCPPLUGIN_H */