/*

* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 CIPTVEPGLIVETVCALLBACKIMPL_H

#define CIPTVEPGLIVETVCALLBACKIMPL_H

// INCLUDES

#include <e32std.h>

#include "CIptvUtil.h"

#include "MIptvEpgLiveTvCallback.h"

#include "MIptvEpgFileSwapObserver.h"

#include "IptvLiveDataStructures.h"

// FORWARD DECLARATIONS

class CIptvEpgDatabase;

class CIptvEpgManagerImpl;

class CIptvEpgFileSwapper;

// CLASS DECLARATION

class CIptvEpgLiveTvCallbackImpl : public CBase,

								   public MIptvEpgLiveTvCallback,

								   public MIptvEpgFileSwapObserver

    {

    public:

        /**

         * Two-phased constructor.

         * @param 

         */

        static CIptvEpgLiveTvCallbackImpl* NewL( CIptvEpgDatabase& aLivTvEpgDb );

        /**

         * Destructor.

         */

        virtual ~CIptvEpgLiveTvCallbackImpl();

        /**

         * Is plugin running.

         */

        TBool IsPluginRunning() const { return iPluginRunning; };

        void SetServiceId( TUint32 aServiceId );

    public: // From MIptvEpgLiveTvCallback interface

    	void Started();

    	void Finished( TInt aError );

	    void AddChannel( CIptvEpgChannel* aChannel );

	    void AddProgram( CIptvEpgProgram* aProgram );

	    void AddProgramsWithSchedules( const RPointerArray<CIptvEpgProgramWithSchedule>& aProgramWithSchedule );

	    void AddProgramWithSchedule( CIptvEpgProgramWithSchedule& aProgramWithSchedule );

	    void AddScheduleData( CIptvEpgSchedule& aScheduleData );

	    void EpgDownloadStarted();

	    void EpgDownloadCompleted( TInt aErrorCode );

	    void EpgParsingStarted();

	    void EpgParsingFinished( TInt aErrorCode );

	    void Error( TInt aErrorCode );

	    void ChannelUpdated( TInt64 aChannelId );

	    TInt UpdateChannelIcon( const TUint32 aServiceId, 

								const TInt64 aChannelId, 

								const TDesC& aIconPath );

	    void UpdateProgramIcon( TInt64 aProgramId, TDesC& aIconPath );

	    void LatestEpgAvailableL( TTime aLatestSchedule );

	    void SetLastModifiedDataL( const TUint32 aServiceId, const TDesC& aETag, const TDesC& aLastModified );

	    void StartFileSwappingL();

	public: // From MIptvEpgFileSwapObserver

		/**

		*	Callback method from file swapper to announce when file swapping

		*	has been completed.

		*	@param	aError	Possible error code occured during the file swap

		*	@return	None

		*/

		void FileSwapComplete( TInt aError );

    private:    // New functions           

        /**

        * C++ default constructor.

        */

        CIptvEpgLiveTvCallbackImpl( CIptvEpgDatabase& aLiveTvEpgDb );

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param 

        */

        void ConstructL();

        /**

        * Handler for cases when plugin has failed.

        * @param 

        */

        void HandleFailedEpgUpdateL();

        /**

        * Sends aMessage with aError to the ui via message queue.

        * @param

        */

        void SendMessageToUI( TIptvQueueMsg aMessage, TInt aError ) const;

        void PrintScheduleData( const CIptvEpgSchedule& aSchedule ) const;

		/**

		* Copy channel order values from old database to the new one.

		*/

		void UpdateChannelOrdersL();

    private:    // Data members                

        CIptvEpgDatabase& iLiveTvEpgDb;

        TBool iPluginRunning;

        TUint32 iServiceId;

        CIptvEpgFileSwapper* iFileSwapper;

        TFileName iUpdateDatabase;

        TFileName iDatabaseInUse;

    };

#endif  // CIPTVEPGLIVETVCALLBACKIMPL_H

// End of File