/*

* Copyright (c) 2008-2008 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:  Plugin used by Music content publisher to publish data and actions

*                to Home Screen/Matrix Menu/Any component requiring them.

*

*/

#ifndef IRMCPPLUGIN_H

#define IRMCPPLUGIN_H

#include "mcpplugin.h"

#include "mcppluginobserver.h"

#include "iractiveidleengnotifyhandler.h"

class CIRActiveIdleEng;

class CIRMetaData;

#define KMAXLENGTH 256

/**

 * IR Content Publisher plugin is publishes data and actions for 

 * Home screen and Matrix menu.

 * 

 * The plugin uses existing Active idle engine for getting information from VRA. 

 * 

 * The plugin is currently loaded by Music Content Publisher. 

 */

NONSHARABLE_CLASS( CIRMCPPlugin ) : public CMCPPlugin,

                                    public MIRActiveIdleEngNotifyHandler

    {

public:

    /**

     * Two-phase constructor. 

     * 

     * @param aObserver The plugin observer providing also the publishing API

     * @return A pointer to new instance of CIRMCPPlugin 

     */

    static CIRMCPPlugin* NewL( MMCPPluginObserver* aObserver );

    /**

     * Destructor.

     */

    ~CIRMCPPlugin();

// from base class CMCPPlugin

    void Deactivate();

// from base class MIRActiveIdleEngNotifyHandler    

   void HandleChannelChangeL();

    void HandleMetaDataReceivedL( const CIRMetaData& aMetaData );

    void HandleVolumeChangeL( const TInt aVolume );

    void HandlePlayStopL( TIRStopPlayState aState );

    void HandleApplicationRunningStateChangeL(  const TIRPSApplicationRunningState aRunningState );

    void HandleBufferingStateL(TIRBufferingState aState );

private:

    /**

     * Installs (publishes) a given VR Action Handler command to given destination.

     * 

     * @param aCommand The command to be installed to given destination.

     * @param aDestination The destination where the given command is installed.

     */

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

    /**

     * Activates the plugin and publishes the actions and information accordingly.

     */

    void ActivateL();

    /**

    * Publishes the actions and information of last played station.

	*/

	void PublishLastPlayedWidgetItemsL();

private:

    /**

     * C++ constructor.

     * 

     * @param aObserver The plugin observer providing also the publishing API

     */

    CIRMCPPlugin( MMCPPluginObserver* aObserver );

    /**

     * Second-phase constructor.

     */

    void ConstructL();

    /**

     * Searches and adds the plugin's resource file to the environment.

     */

    void InitializeResourceLoadingL();

private:

    /**

     * The observer providing the publishing API.

     * Not owned.

     */

    MMCPPluginObserver* iObserver;

    /**

     * Active idle engine used for reading VRA states.

     * Owned.

     */

    CIRActiveIdleEng* iEngine;

    /** 

     * Last played text.

     * Owned. 

     */

    HBufC* iLastPlayedText;

    /**

     * State indicator, the plugin can be active or inactive. 

     */

    TBool iActive;

    /** resource offset. */

    TInt iResourceOffset;

    /**

     * Radio Text overrides PS name, and we have both available.

     * So we need to keep track which one is being currently published.  

     */

    TBool iShowingRDSRadioText;

    //Added by Snigdha

     /**

     * Current meta data information.

     * Owned.

     */

    CIRMetaData*  iMetaData;

     // Meta data info

    TBuf 	<KMAXLENGTH> iChannelName;

    TInt 	iPresetIndex;

    /** Internet Radio application running state */

    TIRPSApplicationRunningState        iRunningState;

    TInt iPlayingState;

      /** 

     * Last played text.

     * Owned. 

     */

    HBufC* iBufferingText;

    };

#endif /* IRMCPPLUGIN_H */