// Copyright (c) 2009 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:

//

/**

 @file

 @internalTechnology

*/

#include <f32file.h>

#include <centralrepository.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/mmtpstoragemgr.h>

#include <mtp/mmtpobjectmgr.h>

#include "mtpimagedpconst.h"

#include "mtpimagedputilits.h"

#include "cmtpimagedp.h"

/*

 * The most significant bit represents whether the image object has been imported.

 * 0 means does not be imported

 * 1 means has been imported

 */

#define IMAGE_OBJECT_STATUS_BITMASK            0x8000

/**

 * The other left bits represent the thumbnail size of image object.

 * The type of EFormatSubCode column is UINT16, so these bits are enought for thumbnail size.

 * e.g. The image file of 57M bytes only has 2440 bytes of thumbnail. 

 */

#define IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK    0x7fff

TMTPResponseCode MTPImageDpUtilits::VerifyObjectHandleL(MMTPDataProviderFramework& aFramework, const TMTPTypeUint32& aHandle, CMTPObjectMetaData& aMetaData)

	{

	if (!aFramework.ObjectMgr().ObjectL(aHandle, aMetaData))

		{

		 return EMTPRespCodeInvalidObjectHandle;

		}

	return EMTPRespCodeOK;

	}

TInt32 MTPImageDpUtilits::FindStorage(MMTPDataProviderFramework& aFramework, const TDesC& aPath)

    {

    TParsePtrC parse(aPath);

    TPtrC drive(parse.Drive());

    TInt driveNumber;  

    aFramework.Fs().CharToDrive(drive[0], driveNumber);

    return aFramework.StorageMgr().FrameworkStorageId(static_cast<TDriveNumber>(driveNumber));

    }

    {

    TUint32 parentHandle = KMTPHandleNoParent;

    TParsePtrC parse(aFullPath);

    if(!parse.IsRoot())

        }

    }

TBool MTPImageDpUtilits::IsNewPicture(const CMTPObjectMetaData& aMetadata)

    {

    /**

     * we use EFormatSubCode column to save sentinel whether this object has been imported by PC

     * 

     */    

    return ((aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) & IMAGE_OBJECT_STATUS_BITMASK) == 0);

    }

void MTPImageDpUtilits::UpdateObjectStatusToOldL(MMTPDataProviderFramework& aFramework, CMTPObjectMetaData& aMetadata)

    {

    TInt status = aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) | IMAGE_OBJECT_STATUS_BITMASK;

    aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, status);

    aFramework.ObjectMgr().ModifyObjectL(aMetadata);

    }

TInt MTPImageDpUtilits::GetThumbnailSize(const CMTPObjectMetaData& aMetadata)

    {    

    /**

     * query thumbnail size from EFormatSubCode column

     */

    return (aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) & IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK);

    }

void MTPImageDpUtilits::UpdateObjectThumbnailSizeL(MMTPDataProviderFramework& aFramework, CMTPObjectMetaData& aMetadata, TInt aThumbnailSize)

    {

    //check thumbnail size whether it is overflow

    if (aThumbnailSize <= IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK)

        {

        TBool newPic = MTPImageDpUtilits::IsNewPicture(aMetadata);

        if (newPic)

            {

            aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, aThumbnailSize);

            }

        else

            {

            aThumbnailSize |= IMAGE_OBJECT_STATUS_BITMASK;

            aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, aThumbnailSize);

            }

        aFramework.ObjectMgr().ModifyObjectL(aMetadata);

        }

    }