/*

* 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:  Meta data access wrapper

*

*/

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mmtpobjectmgr.h>

#include <mtp/cmtptypestring.h>

#include <mtp/cmtpobjectmetadata.h>

#include <bautils.h>

#include <e32math.h>

#include <e32property.h>

#include <mtpprivatepskeys.h>

#include "cmmmtpdpmetadataaccesswrapper.h"

#include "cmmmtpdpmetadatampxaccess.h"

#include "cmmmtpdpmetadatavideoaccess.h"

#include "mmmtpdputility.h"

#include "tobjectdescription.h"

#include "mmmtpdplogger.h"

const TInt KMmMtpDummyFileArrayGranularity = 5;

CMmMtpDpMetadataAccessWrapper* CMmMtpDpMetadataAccessWrapper::NewL( MMTPDataProviderFramework& aFramework )

    {

    CMmMtpDpMetadataAccessWrapper* me = new (ELeave) CMmMtpDpMetadataAccessWrapper( aFramework );

    CleanupStack::PushL( me );

    me->ConstructL();

    CleanupStack::Pop( me );

    return me;

    }

CMmMtpDpMetadataAccessWrapper::CMmMtpDpMetadataAccessWrapper( MMTPDataProviderFramework& aFramework ) :

    iFramework( aFramework ),

    iFs( aFramework.Fs() ),

    iOpenCount( 0 )

    {

    // Do nothing

    }

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

// CMmMtpDpMetadataAccessWrapper::ConstructL

// Second-phase

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

//

void CMmMtpDpMetadataAccessWrapper::ConstructL()

    {

    PRINT( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::ConstructL" ) );

    iMmMtpDpMetadataMpxAccess = CMmMtpDpMetadataMpxAccess::NewL( iFs );

    iMmMtpDpMetadataVideoAccess = CMmMtpDpMetadataVideoAccess::NewL( iFs );

    iAbstractMediaArray = new ( ELeave ) CDesCArrayFlat( KMmMtpDummyFileArrayGranularity );

    // Create the PS key to notify subscribers that MTP mode is activated

    _LIT_SECURITY_POLICY_C1(KKeyReadPolicy, ECapabilityReadUserData);

    _LIT_SECURITY_POLICY_C1(KKeyWritePolicy, ECapabilityWriteUserData);

    RProperty::Define( KMtpPSUid,

                       KMtpPSStatus,

                       RProperty::EInt,

                       KKeyReadPolicy,

                       KKeyWritePolicy);

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::ConstructL" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::~CMmMtpDpMetadataAccessWrapper

// Destructor

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

//

CMmMtpDpMetadataAccessWrapper::~CMmMtpDpMetadataAccessWrapper()

    {

    PRINT( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::~CMmMtpDpMetadataAccessWrapper" ) );

    RemoveDummyFiles();

    delete iAbstractMediaArray;

    delete iMmMtpDpMetadataVideoAccess;

    delete iMmMtpDpMetadataMpxAccess;

    // unblock MPX

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::~CMmMtpDpMetadataAccessWrapper" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::SetReferenceL

// Set abstract media to DB

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

//

EXPORT_C void CMmMtpDpMetadataAccessWrapper::SetReferenceL( const CMTPObjectMetaData& aObject,

    CDesCArray& aRefFileArray )

    {

    TPtrC refOwner( aObject.DesC( CMTPObjectMetaData::ESuid ) );

    PRINT1( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::SetReferenceL reference owner = %S" ),

        &refOwner );

    TMPXGeneralCategory category = Category( aObject );

    if ( category == EMPXPlaylist || category == EMPXAbstractAlbum )

        {

        iMmMtpDpMetadataMpxAccess->SetReferenceL( refOwner, aRefFileArray, category );

        }

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::SetReferenceL" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::GetObjectMetadataValueL

// Gets a piece of metadata from the collection

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

//

EXPORT_C void CMmMtpDpMetadataAccessWrapper::GetObjectMetadataValueL( const TUint16 aPropCode,

    MMTPType& aNewData,

    const CMTPObjectMetaData& aObjectMetaData )

    {

    PRINT( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::GetObjectMetadataValueL" ) );

    TMPXGeneralCategory category = Category( aObjectMetaData );

    switch ( category )

        {

        case EMPXAbstractAlbum:

            if ( aPropCode == EMTPObjectPropCodeDateAdded && EMTPTypeString == aNewData.Type() )

                {

                TBuf<KMtpMaxDateTimeStringLength> timeStr;

                MmMtpDpUtility::GetObjectDateModifiedL( iFs,

                    aObjectMetaData.DesC( CMTPObjectMetaData::ESuid ),

                    timeStr );

                PRINT1( _L( "MM MTP <> CGetObjectPropList::ServiceOneObjectPropertyL Date time %S" ), &timeStr );

                ( ( CMTPTypeString & ) aNewData ).SetL( timeStr );

                break;

                }

            // else

            // get from mpx

        case EMPXPlaylist:

        case EMPXSong:

            {

            iMmMtpDpMetadataMpxAccess->GetObjectMetadataValueL( aPropCode,

                aNewData,

                aObjectMetaData.DesC( CMTPObjectMetaData::ESuid ),

                category );

            }

            break;

        case EMPXVideo:

            if ( aPropCode == EMTPObjectPropCodeDateAdded && EMTPTypeString == aNewData.Type() )

                {

                TBuf<KMtpMaxDateTimeStringLength> timeStr;

                MmMtpDpUtility::GetObjectDateModifiedL( iFs,

                    aObjectMetaData.DesC( CMTPObjectMetaData::ESuid ),

                    timeStr );

                PRINT1( _L( "MM MTP <> CGetObjectPropList::ServiceOneObjectPropertyL Date time %S" ), &timeStr );

                ( ( CMTPTypeString & ) aNewData ).SetL( timeStr );

                }

            else

                {

                iMmMtpDpMetadataVideoAccess->GetObjectMetadataValueL( aPropCode,

                    aNewData,

                    aObjectMetaData );

                }

            break;

        default:

            // do nothing

            break;

        }

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::GetObjectMetadataValueL" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::SetObjectMetadataValueL

// Sets a piece of metadata in the collection

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

//

void CMmMtpDpMetadataAccessWrapper::SetObjectMetadataValueL( const TUint16 aPropCode,

    const MMTPType& aNewData,

    const CMTPObjectMetaData& aObjectMetaData )

    {

    PRINT( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::SetObjectMetadataValueL" ) );

    TMPXGeneralCategory category = Category( aObjectMetaData );

    switch ( category )

        {

        case EMPXAbstractAlbum:

        case EMPXSong:

        case EMPXPlaylist:

            iMmMtpDpMetadataMpxAccess->SetObjectMetadataValueL( aPropCode,

                aNewData,

                aObjectMetaData.DesC( CMTPObjectMetaData::ESuid ),

                category );

            break;

        case EMPXVideo:

            iMmMtpDpMetadataVideoAccess->SetObjectMetadataValueL( aPropCode,

                aNewData,

                aObjectMetaData );

            break;

        default:

            break;

        }

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::SetObjectMetadataValueL" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::RenameObjectL

// Renames the file part of a record in the collection database

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

//

EXPORT_C void CMmMtpDpMetadataAccessWrapper::RenameObjectL( const CMTPObjectMetaData& aOldObject,

    const TDesC& aNewFileName )

    {

    TPtrC oldFileName( aOldObject.DesC( CMTPObjectMetaData::ESuid ) );

    PRINT2( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::RenameObjectL old = %S, new = %S" ),

        &oldFileName,

        &aNewFileName );

    TMPXGeneralCategory category = Category( aOldObject );

    switch ( category )

        {

        case EMPXSong:

        case EMPXAbstractAlbum:

        case EMPXPlaylist:

            {

            iMmMtpDpMetadataMpxAccess->RenameObjectL( oldFileName,

                aNewFileName,

                category );

            }

            break;

        case EMPXVideo:

            iMmMtpDpMetadataVideoAccess->RenameRecordL( oldFileName, aNewFileName );

            break;

        default:

            break;

        }

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::RenameObjectL" ) );

    }

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

// CMmMtpDpMetadataAccessWrapper::DeleteObjectL

// Deletes metadata information associated with the object

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

//

EXPORT_C void CMmMtpDpMetadataAccessWrapper::DeleteObjectL( const CMTPObjectMetaData& aObject )

    {

    TPtrC fileName( aObject.DesC( CMTPObjectMetaData::ESuid ) );

    PRINT1( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::DeleteObjectL name = %S" ), &fileName );

    TMPXGeneralCategory category = Category( aObject );

    switch ( category )

        {

        case EMPXSong:

        case EMPXAbstractAlbum:

        case EMPXPlaylist:

            {

            iMmMtpDpMetadataMpxAccess->DeleteObjectL( fileName, category );

            }

            break;

        case EMPXVideo:

            {

            iMmMtpDpMetadataVideoAccess->DeleteRecordL( fileName );

            }

            break;

        default:

            PRINT( _L( "MM MTP <> CMmMtpDpMetadataAccessWrapper::DeleteObjectL default" ) );

            break;

        }

    PRINT( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::DeleteObjectL" ) );

    }

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

// CMmMtpDpMetadataMpxAccess::SetImageObjPropL

// set image specific properties specific to videos

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

//

void CMmMtpDpMetadataAccessWrapper::SetImageObjPropL( const CMTPObjectMetaData& aObject,

    const TUint32 aWidth,

    const TUint32 aHeight )

    {

    TMPXGeneralCategory category = Category( aObject );

    if ( category == EMPXVideo )

        {

        TPtrC fullFileName( aObject.DesC( CMTPObjectMetaData::ESuid ) );

        iMmMtpDpMetadataVideoAccess->SetStorageRootL( fullFileName );

        iMmMtpDpMetadataVideoAccess->SetImageObjPropL( fullFileName,

            aWidth,

            aHeight );

        }

    }

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

// CMmMtpDpMetadataMpxAccess::GetImageObjPropL

// get image specific properties specific to videos

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

//

void CMmMtpDpMetadataAccessWrapper::GetImageObjPropL( const CMTPObjectMetaData& aObject,

    TUint32& aWidth,

    TUint32& aHeight )

    {

    TMPXGeneralCategory category = Category( aObject );

    if ( category == EMPXVideo )

        {

        TPtrC fullFileName( aObject.DesC( CMTPObjectMetaData::ESuid ) );

        iMmMtpDpMetadataVideoAccess->SetStorageRootL( fullFileName );

        iMmMtpDpMetadataVideoAccess->GetImageObjPropL( fullFileName, aWidth, aHeight );

        }

    }

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

// CMmMtpDpMetadataAccessWrapper::OpenSessionL

// Called when the MTP session is initialised

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

//

void CMmMtpDpMetadataAccessWrapper::OpenSessionL()

    {

    iOpenCount++;

    }

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

// CMmMtpDpMetadataAccessWrapper::CloseSessionL

//

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

//

void CMmMtpDpMetadataAccessWrapper::CloseSessionL()

    {

    PRINT1( _L( "MM MTP <> CMmMtpDpMetadataAccessWrapper::CloseSessionL count = %d" ), iOpenCount );

    if ( iOpenCount >= 1 )

        {

        iOpenCount--;

        if ( iOpenCount == 0 )

            {

            PRINT( _L( "MM MTP <> CMmMtpDpMetadataAccessWrapper::CloseSessionL close" ) );

            iMmMtpDpMetadataVideoAccess->CloseSessionL();

            }

        }

    else

        {

        PRINT( _L( "MM MTP <> CMmMtpDpMetadataAccessWrapper::CloseSessionL already close" ) );

        }

    }

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

// CMmMtpDpMetadataAccessWrapper::Category

// Get category according format code

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

//

TMPXGeneralCategory CMmMtpDpMetadataAccessWrapper::Category( const CMTPObjectMetaData& aObject )

    {

    TMPXGeneralCategory category = EMPXNoCategory;

    TUint formatCode = aObject.Uint( CMTPObjectMetaData::EFormatCode );

    switch ( formatCode )

        {

        case EMTPFormatCodeASF:

        case EMTPFormatCodeMP4Container:

        case EMTPFormatCode3GPContainer:

            {

            TUint aSubFormatCode = aObject.Uint( CMTPObjectMetaData::EFormatSubCode );

            if ( aSubFormatCode == EMTPSubFormatCodeUnknown )

                {

                TRAP_IGNORE( category = ContainerCategoryL( aObject.DesC( CMTPObjectMetaData::ESuid ) ) );

                if ( category == EMPXSong )

                    aSubFormatCode = EMTPSubFormatCodeAudio;

                else if ( category == EMPXVideo )

                    aSubFormatCode = EMTPSubFormatCodeVideo;

                else

                    aSubFormatCode = EMTPSubFormatCodeUndefined;

                const_cast<CMTPObjectMetaData&>(aObject).SetUint( CMTPObjectMetaData::EFormatSubCode, aSubFormatCode );

                // If object doesn't exist, do nothing

                TRAP_IGNORE( iFramework.ObjectMgr().ModifyObjectL( aObject ) );

                }

            else if ( aSubFormatCode == EMTPSubFormatCodeAudio )

                category = EMPXSong;

            else if ( aSubFormatCode == EMTPSubFormatCodeVideo )

                category = EMPXVideo;

            else if( aSubFormatCode == EMTPSubFormatCodeUndefined )

                category = EMPXOther;

            }

            break;

        case EMTPFormatCodeMP3:

        case EMTPFormatCodeWAV:

        case EMTPFormatCodeWMA:

        case EMTPFormatCodeAAC:

            {

            category = EMPXSong;

            }

            break;

        case EMTPFormatCodeM3UPlaylist:

        case EMTPFormatCodeAbstractAudioVideoPlaylist:

            {

            category = EMPXPlaylist;

            }

            break;

        case EMTPFormatCodeAbstractAudioAlbum:

            {

            category = EMPXAbstractAlbum;

            }

            break;

        case EMTPFormatCodeWMV:

            {

            category = EMPXVideo;

            }

            break;

        default:

            break;

        }

    PRINT1( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::Category category = %d" ), category );

    return category;

    }

TMPXGeneralCategory CMmMtpDpMetadataAccessWrapper::ContainerCategoryL( const TDesC& aFullFileName )

    {

    PRINT1( _L( "MM MTP => CMmMtpDpMetadataAccessWrapper::ContainerCategoryL aFullFileName = %S" ), &aFullFileName );

    TMPXGeneralCategory category = EMPXNoCategory;

    TParsePtrC pathParser( aFullFileName );

    TPtrC ext( pathParser.Ext() );

    if ( ext.Length() <= 0 )

        category = EMPXOther;

    else if ( ext.CompareF( KTxtExtensionO4A ) == 0

        || ext.CompareF( KTxtExtensionM4A ) == 0 )

        category = EMPXSong;

    else if ( ext.CompareF( KTxtExtensionO4V ) == 0 )

        category = EMPXVideo;

    else

        {

        HBufC8* mimetype = NULL;

        if ( ext.CompareF( KTxtExtensionMP4 ) == 0

            || ext.CompareF( KTxtExtension3GP ) == 0

            || ext.CompareF( KTxtExtension3G2 ) == 0 )

            mimetype = MmMtpDpUtility::Mp4MimeTypeL( aFullFileName );

        else if ( ext.CompareF( KTxtExtensionODF ) == 0 )

            mimetype = MmMtpDpUtility::OdfMimeTypeL( aFullFileName );

        else if ( ext.CompareF( KTxtExtensionASF ) == 0 )

            mimetype = MmMtpDpUtility::AsfMimeTypeL( aFullFileName );

        if ( mimetype != NULL )

            {

            TMmMtpSubFormatCode subFormatCode =

                MmMtpDpUtility::SubFormatCodeFromMime( *mimetype );

            if ( subFormatCode == EMTPSubFormatCodeVideo )

                category = EMPXVideo;

            else if( subFormatCode == EMTPSubFormatCodeAudio )

                category = EMPXSong;

            else

                category = EMPXOther;

            }

        }

    PRINT1( _L( "MM MTP <= CMmMtpDpMetadataAccessWrapper::ContainerCategoryL, category = %d" ), category );

    return category;

    }