/*

* 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:  Implementation for MTP Common Function

*

*/

#include <bautils.h>

#include <e32math.h>

#include <f32file.h>

#include <mtp/mtpprotocolconstants.h>

#include <mtp/mtpdatatypeconstants.h>

#include <3gplibrary/mp4lib.h>

#include <caf/content.h>

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mmtpobjectmgr.h>

#include <mtp/tmtptypeuint32.h>

// for asf mimetype parsing

#ifdef __WINDOWS_MEDIA

#include <hxmetadatakeys.h>

#include <hxmetadatautil.h>

#endif

#include "mmmtpdputility.h"

#include "mmmtpdpfiledefs.h"

#include "tobjectdescription.h"

#include "mmmtpdplogger.h"

using namespace ContentAccess;

// local to this file, non standard mimetype used for ASF parsing with helix

_LIT( KHxMimeTypeWma, "audio/x-hx-wma" );

_LIT( KHxMimeTypeWmv, "video/x-hx-wmv" );

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

// MmMtpDpUtility::FormatFromFilename

// Utility function to get the type of an object from the filename

// The recommended way from the MS implementation

// These should be kept in sync with the object formats supported

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

//

EXPORT_C TMTPFormatCode MmMtpDpUtility::FormatFromFilename( const TDesC& aFullFileName )

    {

    if ( aFullFileName.Right( 1 ).CompareF( KTxtBackSlash ) == 0 ) // We have a directory name

        {

        return EMTPFormatCodeAssociation;

        }

    TParsePtrC file( aFullFileName );

    // need to do it in popularity of format, to optmize performance

    if ( file.Ext().CompareF( KTxtExtensionMP3 ) == 0 )

            return EMTPFormatCodeMP3;

#ifdef __WINDOWS_MEDIA

    if ( file.Ext().CompareF( KTxtExtensionWMA ) == 0 )

            return EMTPFormatCodeWMA;

#endif // __WINDOWS_MEDIA

    if ( ( file.Ext().CompareF( KTxtExtensionMP4 ) == 0 )

        || ( file.Ext().CompareF( KTxtExtensionM4A ) == 0 ) )

        return EMTPFormatCodeMP4Container;

    if ( ( file.Ext().CompareF( KTxtExtension3GP ) == 0 )

        || ( file.Ext().CompareF( KTxtExtensionO4A ) == 0 )

        || ( file.Ext().CompareF( KTxtExtensionO4V ) == 0 ) )

        return EMTPFormatCode3GPContainer;

    if ( file.Ext().CompareF( KTxtExtensionAAC ) == 0 )

        return EMTPFormatCodeAAC;

    if ( file.Ext().CompareF( KTxtExtensionWAV ) == 0 )

        return EMTPFormatCodeWAV;

#ifdef __WINDOWS_MEDIA

    if ( file.Ext().CompareF( KTxtExtensionWMV ) == 0 )

        return EMTPFormatCodeWMV;

    if ( file.Ext().CompareF( KTxtExtensionASF ) == 0 )

        return EMTPFormatCodeASF;

#endif // __WINDOWS_MEDIA

    if ( file.Ext().CompareF( KTxtExtensionODF ) == 0 )

        {

        HBufC8* mime = MmMtpDpUtility::ContainerMimeType( file.FullName() );

        if ( mime != NULL )

            {

            // 3GP

            if ( mime->CompareF( KMimeTypeAudio3gpp ) == 0

                || mime->CompareF( KMimeTypeVideo3gpp ) == 0 )

                {

                delete mime;

                mime = NULL;

                return EMTPFormatCode3GPContainer;

                }

            }

        if ( mime != NULL )

            {

            delete mime;

            mime = NULL;

            }

        }

    if (( file.Ext().CompareF( KTxtExtensionPLA ) == 0 ) || ( file.Ext().CompareF( KTxtExtensionVIR ) == 0 ) )

        return EMTPFormatCodeAbstractAudioVideoPlaylist;

    if ( file.Ext().CompareF( KTxtExtensionM3U ) == 0 )

        return EMTPFormatCodeM3UPlaylist;

    return EMTPFormatCodeUndefined;

    }

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

// MmMtpDpUtility::HasMetadata

// Utility function to determine whether a format has metadata support

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

//

TBool MmMtpDpUtility::HasMetadata( TUint16 aObjFormatCode )

    {

    if ( aObjFormatCode == EMTPFormatCodeMP3

        || aObjFormatCode == EMTPFormatCodeWMA

        || aObjFormatCode == EMTPFormatCodeAAC

        || aObjFormatCode == EMTPFormatCodeWAV

        || aObjFormatCode == EMTPFormatCodeMP4Container

        || aObjFormatCode == EMTPFormatCode3GPContainer

        || aObjFormatCode == EMTPFormatCodeWMV

        || aObjFormatCode == EMTPFormatCodeASF )

        {

        return ETrue;

        }

    return EFalse;

    }

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

// MmMtpDpUtility::HasReference

// Utility function to decide if there is any reference

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

//

TBool MmMtpDpUtility::HasReference( TUint16 aObjFormatCode )

    {

    if ( aObjFormatCode == EMTPFormatCodeAbstractAudioAlbum

        || aObjFormatCode == EMTPFormatCodeAbstractAudioVideoPlaylist

        || aObjFormatCode == EMTPFormatCodeM3UPlaylist )

        return ETrue;

    else

        return EFalse;

    }

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

// Utility function to determine whether a format is Video or not

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

//

    {

    PRINT1( _L( "MM MTP => MmMtpDpUtility::IsVideoL (Slow Version) aFullFileName = %S" ), &aFullFileName );

    TPtrC ext( pathParser.Ext() );

    if ( ext.Length() <= 0 )

        {

        PRINT( _L( "MM MTP <> MmMtpDpUtility::IsVideoL ext len <= 0, return false" ) );

        return EFalse;

        }

    // move WMV early to optmize comparison

    if ( ext.CompareF( KTxtExtensionWMV ) == 0 )

        {

        return ETrue;

        }

    else if ( ext.CompareF( KTxtExtensionMP4 ) == 0

        || ext.CompareF( KTxtExtension3GP ) == 0

        || ext.CompareF( KTxtExtensionODF ) == 0

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

        {

        HBufC8* mimetype = ContainerMimeType( aFullFileName );

            }

        }

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

        return ETrue;

    return EFalse;

    }

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

// MmMtpDpUtility::IsVideoL (Fast Version)

// Utility function to determine whether a format is Video or not

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

//

TBool MmMtpDpUtility::IsVideoL( const TDesC& aFullFileName,

    const MMTPDataProviderFramework& aFramework )

    {

    PRINT1( _L( "MM MTP => MmMtpDpUtility::IsVideoL (Fast Version) aFullFileName = %S" ), &aFullFileName );

    CMTPObjectMetaData* info = CMTPObjectMetaData::NewLC(); // + info

    aFramework.ObjectMgr().ObjectL( aFullFileName, *info );

    TUint formatCode = info->Uint( CMTPObjectMetaData::EFormatCode );

    TUint subFormatCode = info->Uint( CMTPObjectMetaData::EFormatSubCode );

    CleanupStack::PopAndDestroy( info ); // - info

    }

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

// MmMtpDpUtility::IsVideoL (Fast Version)

// Utility function to determine whether a format is Video or not

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

//

TBool MmMtpDpUtility::IsVideoL( TUint aFormatCode, TUint aSubFormatCode )

    {

    if ( aFormatCode == KMTPFormatsAll )

        User::Leave( KErrArgument );

    if ( aFormatCode == EMTPFormatCodeWMV )

        {

        return ETrue;

        }

    else if ( ( aFormatCode == EMTPFormatCodeMP4Container )

        || ( aFormatCode == EMTPFormatCode3GPContainer )

        || ( aFormatCode == EMTPFormatCodeASF ) )

        {

        if ( aSubFormatCode == EMTPSubFormatCodeAudio )

            {

            return EFalse;

            }

        else if ( aSubFormatCode == EMTPSubFormatCodeVideo )

            {

            return ETrue;

            }

        }

    PRINT( _L( "MM MTP <= MmMtpDpUtility::IsVideoL (Fast Version)" ) );

    // other format, as audio

    return EFalse;

    }

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

// MmMtpDpUtility::ValidateFilename

// Check the filename to see if it exceeds Symbian 256 limit.

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

//

TBool MmMtpDpUtility::ValidateFilename( const TDesC& aPathName,

    const TDesC& aFileName )

    {

    TBool result = ETrue;

    if ( ( aPathName.Length() + aFileName.Length() ) > KMaxFileName )

        {

        result = EFalse;

        }

    return result;

    }

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

// MmMtpDpUtility::GetObjectSizeL

// Get the filesize.

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

//

TUint64 MmMtpDpUtility::GetObjectSizeL( RFs& aFs, const TDesC& aFileName )

    {

    TEntry fileInfo;

    // Shouldn't leave

    User::LeaveIfError( aFs.Entry( aFileName, fileInfo ) );

    return fileInfo.FileSize();

    }

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

// MmMtpDpUtility::GetDateModifiedL

// Get the file date modified.

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

//

TTime MmMtpDpUtility::GetObjectDateModifiedL( RFs& aFs, const TDesC& aFullFileName )

    {

    TTime dataModified;

    TEntry fileInfo;

    // Shouldn't leave

    User::LeaveIfError( aFs.Entry( aFullFileName, fileInfo ) );

    dataModified = fileInfo.iModified;

    return dataModified;

    }

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

// MmMtpDpUtility::GetProtectionStatusL

// Get the file protection status.

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

//

TUint16 MmMtpDpUtility::GetProtectionStatusL( RFs& aFs, const TDesC& aFullFileName )

    {

    TUint16 protectionStatus = EMTPProtectionNoProtection;

    TEntry fileInfo;

    // Shouldn't leave

    User::LeaveIfError( aFs.Entry( aFullFileName, fileInfo ) );

    if ( fileInfo.IsReadOnly() )

        {

        protectionStatus = EMTPProtectionReadOnly;

        }

    PRINT2( _L( "MM MTP <> MmMtpDpUtility::GetProtectionStatusL aFullFileName = %S, protectionStatus = 0x%x" ),

        &aFullFileName,

        protectionStatus );

    return protectionStatus;

    }

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

// MmMtpDpUtility::CheckPropType

// Check if property type match datatype.

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

//

TMTPResponseCode MmMtpDpUtility::CheckPropType(TUint16 aPropertyCode, TUint16 aDataType)

    {

    PRINT2( _L( "MM MTP => MmMtpDpUtility::CheckPropCode aPropertyCode = 0x%x, aDataType = 0x%x" ),

        aPropertyCode,

        aDataType );

    TMTPResponseCode responseCode = EMTPRespCodeOK;

    switch ( aPropertyCode )

        {

        //Access denied Properties

        case EMTPObjectPropCodeStorageID:

        case EMTPObjectPropCodeObjectFormat:

        case EMTPObjectPropCodeProtectionStatus:

        case EMTPObjectPropCodeObjectSize:

        case EMTPObjectPropCodeParentObject:

        case EMTPObjectPropCodePersistentUniqueObjectIdentifier:

        case EMTPObjectPropCodeDateCreated:

        case EMTPObjectPropCodeDateModified:

        case EMTPObjectPropCodeDateAdded:

        case EMTPObjectPropCodeVideoBitRate:

            {

            responseCode = EMTPRespCodeAccessDenied;

            }

            break;

        //String properties

        case EMTPObjectPropCodeObjectFileName: // 0xDC07

        case EMTPObjectPropCodeName: // 0xDC44

        case EMTPObjectPropCodeArtist: // 0xDC46

        case EMTPObjectPropCodeGenre: // 0xDC8C

        case EMTPObjectPropCodeParentalRating: // 0xDC94

        case EMTPObjectPropCodeComposer: // 0xDC96

        case EMTPObjectPropCodeOriginalReleaseDate: // 0xDC99

        case EMTPObjectPropCodeAlbumName: // 0xDC9A

        case EMTPObjectPropCodeEncodingProfile: // 0xDEA1

            {

            if ( aDataType != EMTPTypeString )

                {

                responseCode = EMTPRespCodeInvalidObjectPropFormat;

                }

            }

            break;

        case EMTPObjectPropCodeDescription:

            {

            if ( aDataType != EMTPTypeAUINT16 )

                {

                responseCode = EMTPRespCodeInvalidObjectPropFormat;

                }

            }

            break;

        //Uint32 properties

        case EMTPObjectPropCodeWidth: // 0xDC87

        case EMTPObjectPropCodeHeight: // 0xDC88

        case EMTPObjectPropCodeDuration: // 0xDC89

        case EMTPObjectPropCodeUseCount: // 0xDC91

        case EMTPObjectPropCodeSampleRate: // 0xDE93

        case EMTPObjectPropCodeAudioWAVECodec: // 0xDE99

        case EMTPObjectPropCodeAudioBitRate: // 0xDE9A

        case EMTPObjectPropCodeVideoFourCCCodec: // 0xDE9B

        case EMTPObjectPropCodeFramesPerThousandSeconds: // 0xDE9D

        case EMTPObjectPropCodeKeyFrameDistance: // 0xDE9E

            {

            if ( aDataType != EMTPTypeUINT32 )

                {

                responseCode = EMTPRespCodeInvalidObjectPropFormat;

                }

            }

            break;

        //Uint16 properties

        case EMTPObjectPropCodeTrack: // 0xDC8B

        case EMTPObjectPropCodeDRMStatus: // 0xDC9D

        case EMTPObjectPropCodeNumberOfChannels: // 0xDE94

        case EMTPObjectPropCodeScanType: // 0xDE97

            {

            if ( aDataType != EMTPTypeUINT16 )

                {

                responseCode = EMTPRespCodeInvalidObjectPropFormat;

                }

            }

            break;

        // Uint8 properties

        case EMTPObjectPropCodeNonConsumable:

        case EMTPExtObjectPropCodeOmaDrmStatus: // 0xDB01

            {

            if ( aDataType != EMTPTypeUINT8 )

                {

                responseCode = EMTPRespCodeInvalidObjectPropFormat;

                }

            }

            break;

        default:

            {

            responseCode = EMTPRespCodeInvalidObjectPropCode;

            }

            break;

        }

    PRINT1( _L( "MM MTP <= MmMtpDpUtility::CheckPropCode responseCode = 0x%x" ),

        responseCode );

    return responseCode;

    }

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

// MmMtpDpUtility::UpdateObjectFileName

// Update object file name.

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

//

TInt MmMtpDpUtility::UpdateObjectFileName( RFs& aFs,

    const TDesC& aFullFileName,

    TDes& aNewName )

    {

    TInt bufSize = aNewName.MaxLength() < KMaxFileName ? aNewName.MaxLength() : KMaxFileName;

    TParsePtrC parser( aFullFileName );

    TPtrC ptr( parser.DriveAndPath() );

    if ( aNewName.Length() + ptr.Length() > bufSize )

        {

        return KErrOverflow;

        }

    else

        {

        aNewName.Insert( 0, ptr );

        }

    return aFs.Rename( aFullFileName, aNewName );

    }

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

// MetadataAccessWrapper::ContainerMimeType

// Get mime type from file

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

//

HBufC8* MmMtpDpUtility::ContainerMimeType( const TDesC& aFullPath )

    {

    PRINT( _L( "MM MTP => MmMtpDpUtility::ContainerMimeType" ) );

    // parse the file path

    // get the extension of file

    TPtrC ext( pathParser.Ext() );

    if ( ext.Length() <= 0 )

        {

        PRINT( _L( "MM MTP <> MmMtpDpUtility::ContainerMimeType file ext len == 0" ) );

        return NULL;

        }