/*

* Copyright (c) 2007-2008 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:    Interface for getting and setting the Video Center's last*

*/

#include <bautils.h>

#include "IptvDebug.h"

#include <s32file.h>

#include "CIptvUtil.h"

#include <sysutil.h>

#include "iptvlastwatcheddata.h"

#include "iptvlastwatchedapi.h"

_LIT( KIptvLastWatchedFileName, "lastwatched.dat" );

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CIptvLastWatchedApi::CIptvLastWatchedApi()

    {

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CIptvLastWatchedApi::ConstructL()

    {

    User::LeaveIfError( iFsSession.Connect() );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CIptvLastWatchedApi* CIptvLastWatchedApi::NewL()

    {

    CIptvLastWatchedApi* self = CIptvLastWatchedApi::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CIptvLastWatchedApi* CIptvLastWatchedApi::NewLC()

    {

    CIptvLastWatchedApi* self = new( ELeave ) CIptvLastWatchedApi;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------------------------

//

// ---------------------------------------------------------------------------

//

CIptvLastWatchedApi::~CIptvLastWatchedApi()

    {

    iFsSession.Close();

    }

// ---------------------------------------------------------------------------

// Write last watched data item to the file

// ---------------------------------------------------------------------------

//

EXPORT_C TInt CIptvLastWatchedApi::SetLastWatchedDataL(

    CIptvLastWatchedData& aData )

    {

    IPTVLOGSTRING_HIGH_LEVEL( ">>>CIptvLastWatchedApi::SetLastWatchedDataL" );

    if ( ! CIptvUtil::LastPlaybackPositionFeatureSupported() )

        {

        aData.SetLastVideoPlayPoint( 0 );

        }    

    if ( SysUtil::DiskSpaceBelowCriticalLevelL( &iFsSession,

            static_cast<TInt64>(aData.CountExternalizeSize()), EDriveC ) )

        {

    	IPTVLOGSTRING_HIGH_LEVEL(

    	    "<<<CIptvLastWatchedApi::SetLastWatchedDataL Disk full" );

        return KErrDiskFull;

        }

    else

        {

        TFileName fileName;

        CIptvUtil::GetPathL( iFsSession, EIptvPathEcg, fileName );

        fileName.Append( KIptvLastWatchedFileName );

        RFileWriteStream writeStream;

        TInt retVal = writeStream.Replace( iFsSession, fileName, EFileWrite );

        if ( retVal == KErrNone )

            {

            CleanupClosePushL( writeStream );

            aData.ExternalizeL( writeStream );

            CleanupStack::PopAndDestroy( &writeStream );

            }

    	IPTVLOGSTRING_HIGH_LEVEL(

    	    "<<<CIptvLastWatchedApi::SetLastWatchedDataL" );

        return retVal;

        }

    }

// ---------------------------------------------------------------------------

// Read last watched data item from the file

// ---------------------------------------------------------------------------

//

EXPORT_C TInt CIptvLastWatchedApi::GetLastWatchedDataL(

    CIptvLastWatchedData& aData )

    {

    IPTVLOGSTRING_HIGH_LEVEL( ">>>CIptvLastWatchedApi::GetLastWatchedDataL" );

    RFileReadStream readStream;

    TFileName fileName;

    CIptvUtil::GetPathL( iFsSession, EIptvPathEcg, fileName, EDriveC, EFalse );

    fileName.Append( KIptvLastWatchedFileName );

    TInt retVal = readStream.Open( iFsSession, fileName, EFileRead );

    if ( retVal == KErrNone )

        {

        CleanupClosePushL( readStream );

        aData.InternalizeL( readStream );

        CleanupStack::PopAndDestroy( &readStream );

        if ( ! CIptvUtil::LastPlaybackPositionFeatureSupported() )

            {

            aData.SetLastVideoPlayPoint( 0 );

            }

        }

	IPTVLOGSTRING_HIGH_LEVEL( "<<<CIptvLastWatchedApi::GetLastWatchedDataL" );

    return retVal;

    }

// ---------------------------------------------------------------------------

// Update last video play point

// ---------------------------------------------------------------------------

//

EXPORT_C TInt CIptvLastWatchedApi::UpdateLastVideoPlayPointL(

    const TUint32 aLastVideoPlayPoint )

    {

    IPTVLOGSTRING2_HIGH_LEVEL(

        ">>>CIptvLastWatchedApi::UpdateLastVideoPlayPointL( %u )",

        aLastVideoPlayPoint );

    TInt retVal( KErrNotFound );

    if ( CIptvUtil::LastPlaybackPositionFeatureSupported() )

        {

        // Create descriptor for last watched data.

        CIptvLastWatchedData* lwData = CIptvLastWatchedData::NewL();

        if ( lwData )

            {

            CleanupStack::PushL( lwData );

            // Create name for last watched data file.

            TFileName fileName;

            CIptvUtil::GetPathL( iFsSession, EIptvPathEcg, fileName, EDriveC, EFalse );

            fileName.Append( KIptvLastWatchedFileName );

            // Read original vales.

            RFileReadStream readStream;

            retVal = readStream.Open( iFsSession, fileName, EFileRead );

            if ( retVal == KErrNone )

                {

                CleanupClosePushL( readStream );

                lwData->InternalizeL( readStream );

                CleanupStack::PopAndDestroy( &readStream );

                // Update value.

                lwData->SetLastVideoPlayPoint( aLastVideoPlayPoint );

                // Replace data file with updated values.

                RFileWriteStream writeStream;

                retVal = writeStream.Replace( iFsSession, fileName, EFileWrite );

                if ( retVal == KErrNone )

                    {

                    CleanupClosePushL( writeStream );

                    lwData->ExternalizeL( writeStream );

                    CleanupStack::PopAndDestroy( &writeStream );

                    }

                }

            CleanupStack::PopAndDestroy( lwData );

            }

        }

    else

        {

        IPTVLOGSTRING_HIGH_LEVEL( "CIptvLastWatchedApi::UpdateLastVideoPlayPointL - Feature is not supported" );

        retVal = KErrNotSupported;

        }

	IPTVLOGSTRING_HIGH_LEVEL( "<<<CIptvLastWatchedApi::UpdateLastVideoPlayPointL" );

    return retVal;

    }