/*

* Copyright (c) 2010 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:  MDE harvester utility class

*

*/

#ifndef CPIXSTATEOBSERVER_H_

#define CPIXSTATEOBSERVER_H_

#include <e32def.h>

#include <e32base.h>

#include <f32file.h>

#include <usbmsshared.h>

#include <mpxcollectionobserver.h>

#include <harvesterclient.h>

class MMPXCollectionUtility;

class MCPiXStateObserver

    {

public:

    /* A pure virtual function that need to be handled for cases of MMC harvesting,

     * Musicplayer sync events by pausing the currect indexing operations

     */

    virtual void HandleStateObserverChangeL(const TBool aActive) = 0;

    };

class CPiXStateObserver : public CBase,

                          public MHarvesterEventObserver,

                          public MMPXCollectionObserver

{

public:

    /**

     * NewL construction.

     * @return Pointer to created CPiXStateObserver object.

     */

    static CPiXStateObserver* NewL( MCPiXStateObserver* aObserver, RFs* aFsSession );    

    /**

     * Destructor.

     */

    virtual ~CPiXStateObserver();

    void StartMonitoringL();

private:  // Constructors and destructors

    /**

     * C++ default constructor.

     * @param aObserver Observer

     */

    CPiXStateObserver(MCPiXStateObserver* aObserver);

    /**

     * 2nd phase constructor.

     */

    void ConstructL( RFs* aFsSession );    

    //void UpdatePSValue();

    // from MHarvesterEventObserver

    void HarvestingUpdated( HarvesterEventObserverType aHEObserverType, 

                            HarvesterEventState aHarvesterEventState,

                            TInt aItemsLeft );

    // from MMPXCollectionObserver

    void HandleCollectionMessage( CMPXMessage* aMessage,  TInt aError );

    //from MMPXCollectionObserver::HandleOpenL

    void HandleOpenL(const CMPXMedia& aEntries, TInt aIndex, TBool aComplete, TInt aError);

    //from MMPXCollectionObserver::HandleOpenL

    void HandleOpenL(const CMPXCollectionPlaylist& aPlaylist, TInt aError);  

    //from MMPXCollectionObserver::HandleCollectionMediaL

    void HandleCollectionMediaL( const CMPXMedia& aMedia, TInt aError );

    TBool GetStatus();

    void NotifyObserverL();

private:

    //MDS Harvester client

   RHarvesterClient iHarvesterClient;

   MMPXCollectionUtility* iCollectionUtility;

   MCPiXStateObserver* iObserver;

   //RProperty iDriveState;

   TBool iMMCHarvesting;

   TBool iMPXHarvesting;

   // inserted/ejected status of mmc

   //TBool iMassStorageMode;

   TInt iPreviousState;

   TInt  itemsleft;   

   RFs* iFsSession;

};

#endif /* CPIXSTATEOBSERVER_H_ */