/*

* 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>

#include <e32property.h>    // for RProperty

// 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"

#include "mmmtpdp_variant.hrh"

#include "cmmmtpdpaccesssingleton.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" );

const TInt KMaxRenameTimes = 10;

const TInt KRenameThreshold = 100 * 1000; // (100 millisec)

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

// 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 )

    {

    TMTPFormatCode format = EMTPFormatCodeUndefined;

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

        {

        format = EMTPFormatCodeAssociation;

        }

    else 

        {

        TParsePtrC file( aFullFileName );

        if ( file.ExtPresent() )

            {

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

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

                format = EMTPFormatCodeMP3;

#ifdef __WINDOWS_MEDIA

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

                format = EMTPFormatCodeWMA;

#endif // __WINDOWS_MEDIA

            else if (( file.Ext().CompareF( KTxtExtensionPLA ) == 0 ) 

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

                format = EMTPFormatCodeAbstractAudioVideoPlaylist;

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

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

                format = EMTPFormatCodeMP4Container;

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

                || ( file.Ext().CompareF( KTxtExtension3G2 ) == 0 )

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

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

                format = EMTPFormatCode3GPContainer;

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

                format = EMTPFormatCodeAAC;

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

                format = EMTPFormatCodeWAV;

#ifdef __WINDOWS_MEDIA

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

                format = EMTPFormatCodeWMV;

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

                format = EMTPFormatCodeASF;

#endif // __WINDOWS_MEDIA

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

                {

                HBufC8* mime(NULL);

                TRAP_IGNORE( mime = MmMtpDpUtility::OdfMimeTypeL( file.FullName() ) );

                if ( mime != NULL )

                    {

                    // 3GP

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

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

                        {

                        format = EMTPFormatCode3GPContainer;

                        }

                    delete mime;

                    mime = NULL;

                    }

                }

#ifdef MMMTPDP_ABSTRACTAUDIOALBUM_SUPPORT

            else if ( file.Ext().CompareF( KTxtExtensionALB ) == 0 )

                format = EMTPFormatCodeAbstractAudioAlbum;

#endif // MMMTPDP_ABSTRACTAUDIOALBUM_SUPPORT

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

                format = EMTPFormatCodeM3UPlaylist;

            }

        }

    return format;

    }

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

// 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;

    }

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

// 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.

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

//

void MmMtpDpUtility::GetObjectDateModifiedL( RFs& aFs, const TDesC& aFullFileName, TDes& aDateModified )

    {

    TTime date;

    TEntry fileInfo;

    // Shouldn't leave

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

    date = fileInfo.iModified;

    date.FormatL( aDateModified, KMtpDateTimeFormat );

    }

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

// 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:

        case EMTPObjectPropCodeRepresentativeSampleFormat:

        case EMTPObjectPropCodeRepresentativeSampleSize:

        case EMTPObjectPropCodeRepresentativeSampleHeight:

        case EMTPObjectPropCodeRepresentativeSampleWidth:

            {

            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

        case EMTPObjectPropCodeAlbumArtist: // 0xDC9B

            {

            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 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;

        case EMTPObjectPropCodeRepresentativeSampleData:

            {

            if ( aDataType != EMTPTypeAUINT8 )

                {

                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 );

        }

    TInt ret = KErrNone;

    // Some other component might be holding on to the file (MDS background harvesting),

    // try again after 100 millisec, up to 10 times, before give up

    TInt count = KMaxRenameTimes;

    while ( count > 0 )

        {

        ret = aFs.Rename( aFullFileName, aNewName );

        if ( ( ret == KErrInUse ) && ( count > 1 ) )

            {

            User::After( KRenameThreshold );

            count--;

            }

        else

            {

            break;

            }

        }

    PRINT1( _L( "MM MTP <> MmMtpDpUtility::UpdateObjectFileName, ret = %d" ), ret );

    return ret;

    }

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

// MetadataAccessWrapper::Mp4MimeTypeL

// Get mime type from mp4 file

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

//

HBufC8* MmMtpDpUtility::Mp4MimeTypeL( const TDesC& aFullPath )

    {

    PRINT( _L( "MM MTP => MmMtpDpUtility::Mp4MimeTypeL" ) );

    HBufC8* mimebuf = NULL;

    TParsePtrC file( aFullPath );

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

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

        || file.Ext().CompareF( KTxtExtension3G2 ) == 0 )

        {

        // get mime from file

        MP4Handle mp4Handle = NULL;

        RBuf buf;

        TInt err = buf.Create( aFullPath.Length() + 1 );

        User::LeaveIfError( err );

        buf = aFullPath;

        // open mp4 file

        MP4Err mp4err = MP4ParseOpen( &mp4Handle, (MP4FileName) buf.PtrZ() );

        if ( mp4err == MP4_OK )

            {

            mp4_u32 videoLength, videoType, videoWidth, videoHeight, timeScale;

            mp4_double frameRate;

            // get video description

            mp4err = MP4ParseRequestVideoDescription( mp4Handle, &videoLength,

                &frameRate, &videoType, &videoWidth, &videoHeight, &timeScale );

            // not the video file

            if ( mp4err == MP4_NO_VIDEO )

                {

                mp4_u32 audioLength, audioType, timeScale, averateBitRate;

                mp4_u8 framesPerSample;

                // get audio description

                mp4err = MP4ParseRequestAudioDescription( mp4Handle,

                    &audioLength, &audioType, &framesPerSample, &timeScale,

                    &averateBitRate );

                if ( mp4err == MP4_OK )

                    {

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

                        || file.Ext().CompareF( KTxtExtension3G2 ) == 0 )

                        {

                        mimebuf = KMimeTypeAudio3gpp().Alloc();

                        }

                    else

                        {

                        mimebuf = KMimeTypeAudioMp4().Alloc();

                        }

                    }

                }

            // is video file

            else if ( mp4err == MP4_OK )

                {

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

                    || file.Ext().CompareF( KTxtExtension3G2 ) == 0 )

                    {

                    mimebuf = KMimeTypeVideo3gpp().Alloc();

                    }

                else

                    {

                    mimebuf = KMimeTypeVideoMp4().Alloc();

                    }

                }

            // Close mp4 parser

            if ( mp4Handle != NULL )

                {

                MP4ParseClose( mp4Handle );

                }

            }

        buf.Close();

        }

    else

        {

        User::Leave( KErrNotSupported );

        }

    if ( mimebuf == NULL )

        {

        PRINT( _L( "MM MTP <> MmMtpDpUtility::Mp4MimeTypeL, mimebuf == NULL, default as video" ) );

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

            || file.Ext().CompareF( KTxtExtension3G2 ) == 0 )

            {

            mimebuf = KMimeTypeVideo3gpp().Alloc();

            }

        else

            {

            mimebuf = KMimeTypeVideoMp4().Alloc();

            }

        }

    PRINT( _L( "MM MTP <= MmMtpDpUtility::Mp4MimeTypeL" ) );

    return mimebuf;

    }