/*

* Copyright (c) 2006 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:   TNE server

*

*/

#ifndef _CHXCTneServer_H_

#define _CHXCTneServer_H_

#include"HXTneclientservercommon.h"

#include <hxtnutil.h>

#include <hxtnutil_obs.h>

#include <TNEVideoClipInfo.h>

#include <e32base.h>

#include <e32svr.h>

#include <e32uid.h>

#include <e32std.h>

#include <coemain.h>

#include <ecom/ecom.h>

#include "yuv2rgb12.h"

#include "yuv2rgb16.h"

#include "yuv2rgb24.h"

//////////////////////Server class/////////////////

class CTneServer : public CServer2

{

public:

CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;

public :

      // The thread function executed by the server

    static TInt ThreadFunction(TAny* aStarted);

protected:

    CTneServer(CActive::TPriority aActiveObjectPriority);

    };

/////////////////Session class///////////////////////////

class CTneSession : public CSession2,public CActive, public MHXThumbnailUtilityImplObserver

    {

public:

    CTneSession();

    ~CTneSession();

      //service request

    void ServiceL(const RMessage2& aMessage);

    void DispatchMessageL(const RMessage2& aMessage);

	// void InitL();  we are not using this rite now

	 // observer interface from MHXThumbnailUtilityImplObserver

    void MetaDataReady(TInt aError);

    void PacketReady(TInt aError, void *pData, TUint32 aDataSize);  

    void EndOfPackets();

    // CActive methods

     virtual void RunL();

     virtual void DoCancel();

protected:

    void    CompleteRequest(const RMessage2& aMessage, TInt aError);    // Completes the RMessage corresponding to Getthumb

    void    FetchBasicMetaData();               // Extract metadata from Util

    void    DoGetThumb();                           // Calls Notification of Thumbpending to client on Clients request to Get thumb

    TBool   IsGoodFrame(TUint8* aYUVDataPtr);  // checks on the value of each frame wrt  width and height 

    void    StopServer();

    void NotifyIfGetThumbPending(TInt aError, TUint8 *&pYUVBuffer); // Notifies client of thumb pending 

    void NotifyIfGetMetaDataPending(TInt aError); // Notifies client of metadata pending 

    TInt ReOpenFile(RFile &aFileHandle); // Called in case the clip is required to be open not from 0 index but from middle of clip

    TInt DoOpenFile(RFile &aFileHandle, TUint uStartTime);

    TInt GetStartingTime(TUint &uStartingTime);

    void CompleteCancelRequest(); // Completes the Rmessage corresponding to GetCancel

private:

        enum EThumbnailUtilState 

        {

                EStartGettingMetadata = 0,        

                EStartGettingThumbNail,

                EStartGettingThumbNailWithIndex,        

                ECancelling,

                ENotReady

           };

        TInt                                         iWidth;

        TInt                                         iHeight;    

        TUint                                        iDuration;

        TInt64 			                             iFrameCount;

      //   Variable to handle error during the state transitions in server

        TInt				                         m_LastError;

        TUint				                         m_uPacketsReceived;

        // will be set to true if got the good thumb or an error has occured.

        TBool 			                             m_bDone;

        //file server                          

        RFs*	                                     iFs;       

        // Concatenated YUV data for decoded frame

        TUint8* 		                             iYUVBuffer;      

        TUint8**                                     iClientYUVBufferPtrPtr;

        TBool		                                 iReOpenFileLPending;

        TBool                                        iGetThumbPending;

        TBool                                        iCloseHandle;

        TBool                                        ibOpenFilePending;

        TInt                                         iThumbIndex;

        RMessage2	                                 iClientRequest;   // This message will handle Open related request. 

        RMessage2	                                 iCancelRequest;   // This message will handle Cancel request

        RMessage2                                    iMetaDataRequest; // This message will handle MetaData Request

        RMessage2                                    iThumbnailRequest;// This message will handle thumbnail message

        // helix thumbnail utility	           

        CHXThumbnailUtility*         	             iUtil;

        EThumbnailUtilState                          m_State;  

        RFile                                        iFileHandle;

        TBool                                        m_bMetaDataReady;

        TUint                                        iPosition;

    };                                         

#endif // _CHXCTneServer_H_