/*

* Copyright (c) 2005-2007 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:  

*

*/

// INCLUDE FILES

#include <CxSPViewData.h>

// System includes

#include <s32mem.h>

/// Unnamed namespace for local definitions

namespace {

/**

 * Stream buffer which counts number of bytes written to it.

 */

class TCalcLengthStreamBuf : public MStreamBuf

    {

    public: // Construction

        /**

         * Constructor.

         */

        inline TCalcLengthStreamBuf() :

                iBytesWritten( 0 )

            {

            }

        /**

         * Returns the number of bytes written.

         *

         * @return  Number of bytes written.

         */

        inline TInt BytesWritten() const

            {

            return iBytesWritten;

            }

    private: // From MStreamBuf

        void DoWriteL( const TAny* /*aPtr*/, TInt aLength )

            {

            // Just count the bytes

            iBytesWritten += aLength;

            }

    private: // Data

        /// Ref: Count of bytes written to this streambuf

        TInt iBytesWritten;

    };

} /// namespace

CxSPViewData::CxSPViewData() :

        iEComId( 0 ),

        iOriginalViewId( KErrNotFound ),

        iIconId( KErrNotFound ),

        iMaskId( KErrNotFound )

    {

    }

CxSPViewData::~CxSPViewData()

    {

    delete iIconFile;

    delete iViewName;

    }

EXPORT_C CxSPViewData* CxSPViewData::NewL()

    {

    CxSPViewData* self = new ( ELeave ) CxSPViewData;

    return self;

    }

EXPORT_C CxSPViewData* CxSPViewData::NewL( const TDesC8& aBuf )

    {

    CxSPViewData* self = new ( ELeave ) CxSPViewData;

    CleanupStack::PushL( self );

    self->ConstructL( aBuf );

    CleanupStack::Pop( self );

    return self;    

    }

void CxSPViewData::ConstructL( const TDesC8& aBuf )

    {

    UnpackL( aBuf );

    }

EXPORT_C TUint32 CxSPViewData::EComId() const

	{

	return iEComId;

	}

EXPORT_C TInt32 CxSPViewData::OriginalViewId() const

	{

	return iOriginalViewId;

	}

EXPORT_C TInt32 CxSPViewData::IconId() const

	{

	return iIconId;

	}

EXPORT_C TInt32 CxSPViewData::MaskId() const

	{

	return iMaskId;

	}

EXPORT_C const TDesC& CxSPViewData::IconFile() const

	{

	if( iIconFile )

		{

		return *iIconFile;

		}

	else

		{

		return KNullDesC();

		}

	}

EXPORT_C const TDesC& CxSPViewData::ViewName() const

	{

	if( iViewName )

		{

		return *iViewName;

		}

	else

		{

		return KNullDesC();

		}

	}

EXPORT_C void CxSPViewData::SetEComId( TUint32 aEComId )

	{

	iEComId = aEComId;

	}

EXPORT_C void CxSPViewData::SetOriginalViewId( TInt32 aOriginalViewId )

	{

	iOriginalViewId = aOriginalViewId;

	}

EXPORT_C void CxSPViewData::SetIconId( TInt32 aIconId )

	{

	iIconId = aIconId;

	}

EXPORT_C void CxSPViewData::SetMaskId( TInt32 aMaskId )

	{

	iMaskId = aMaskId;

	}

EXPORT_C void CxSPViewData::SetIconFileL( const TDesC& aIconFile )

	{

	delete iIconFile;

	iIconFile = NULL;

	iIconFile = aIconFile.AllocL();

	}

EXPORT_C void CxSPViewData::SetViewNameL( const TDesC& aViewName )

	{

	{

	delete iViewName;

	iViewName = NULL;

	iViewName = aViewName.AllocL();

	}

	}

EXPORT_C void CxSPViewData::Reset()

    {

    iEComId = 0;

    iOriginalViewId = KErrNotFound;

    iIconId = KErrNotFound;

    iMaskId = KErrNotFound;

    delete iIconFile;

    iIconFile = NULL;

    delete iViewName;

    iViewName = NULL;

    }

EXPORT_C HBufC8* CxSPViewData::PackL() const

    {

    // Calculate needed buffer size using TCalcLengthStreamBuf

    TCalcLengthStreamBuf countBuf;     

    RWriteStream countStream( &countBuf );

    // This can't leave because we are using TCalcLengthStreamBuf

    ExternalizeL( countStream );

    // Allocate a buffer and a stream

    HBufC8* buf = HBufC8::NewLC( countBuf.BytesWritten() );

    TPtr8 bufPtr = buf->Des();

    RDesWriteStream stream( bufPtr );

    stream.PushL();

    // Write this object to buf through stream

    ExternalizeL( stream );

    stream.CommitL();

    CleanupStack::PopAndDestroy(); // stream

    CleanupStack::Pop(); // buf

    return buf;

    }

EXPORT_C void CxSPViewData::UnpackL( const TDesC8& aPack )

    {

    RDesReadStream stream( aPack );

    stream.PushL();

    InternalizeL( stream );

    CleanupStack::PopAndDestroy(); // stream

    }

void CxSPViewData::ExternalizeL( RWriteStream& aStream ) const

    {

    aStream.WriteUint32L( iEComId );

    aStream.WriteInt32L( iOriginalViewId );

    aStream.WriteInt32L( iIconId );

    aStream.WriteInt32L( iMaskId );

    if( iIconFile )

    	{

    	aStream.WriteUint16L( iIconFile->Length() );

    	aStream.WriteL( *iIconFile );

    	}

   	else

   		{

   		aStream.WriteUint16L( KNullDesC().Length() );

   		aStream.WriteL( KNullDesC() );

   		}

	if( iViewName )

    	{

    	aStream.WriteUint16L( iViewName->Length() );

    	aStream.WriteL( *iViewName );

    	}

   	else

   		{

   		aStream.WriteUint16L( KNullDesC().Length() );

   		aStream.WriteL( KNullDesC() );

   		}    

    }

void CxSPViewData::InternalizeL( RReadStream& aStream )

    {

    Reset();

	iEComId = aStream.ReadUint32L();

	iOriginalViewId = aStream.ReadInt32L();

	iIconId = aStream.ReadInt32L();

	iMaskId = aStream.ReadInt32L();

	TInt length = aStream.ReadUint16L();

	iIconFile = HBufC::NewL( length );

	TPtr iconFilePtr = iIconFile->Des();

    aStream.ReadL( iconFilePtr, length );

	length = aStream.ReadUint16L();

	iViewName = HBufC::NewL( length );

	TPtr viewNamePtr = iViewName->Des();

    aStream.ReadL( viewNamePtr, length );    

    }

//  End of File