/*

* Copyright (c) 2002 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:  This class is used for playing sounds

*

*/

//  INCLUDE FILES

#include <jdebug.h>

#include "cmmammfresolver.h"

#include "apgcli.h"

#include "apmrec.h"

#include "hxmetadatautil.h"

_LIT8(KMimetypeRM, "audio/x-pn-realaudio");

_LIT(KRVMimeType1, "video/x-pn-realvideo");

_LIT(KRVMimeType2, "video/x-realvideo");

_LIT(KRVMimeType3, "video/vnd.rn-realvideo");

// CONSTANTS

CMMAMMFResolver* CMMAMMFResolver::NewLC()

{

    CMMAMMFResolver* self = new(ELeave)CMMAMMFResolver();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

}

void CMMAMMFResolver::ListImplementationsL()

{

    iControllerSelection->ListImplementationsL(*iImplementations);

    if (iImplementations->Count() > 0)

    {

        ResolveContentTypeL();

    }

}

RMMFControllerImplInfoArray* CMMAMMFResolver::Implementations()

{

    // ImplementationsOwnership method must not be called before this

    __ASSERT_DEBUG(iImplementations, User::Invariant());

    return iImplementations;

}

RMMFControllerImplInfoArray* CMMAMMFResolver::ImplementationsOwnership()

{

    // ImplementationsOwnership method must not be called many times

    __ASSERT_DEBUG(iImplementations, User::Invariant());

    RMMFControllerImplInfoArray* implementations = iImplementations;

    iImplementations = NULL; // ownership is transferred

    return implementations;

}

HBufC* CMMAMMFResolver::ContentTypeOwnership()

{

    HBufC* ct = iContentType;

    iContentType = NULL;

    return ct;

}

HBufC* CMMAMMFResolver::ContentType()

{

    return iContentType;

}

void CMMAMMFResolver::SetFileNameL(const TDesC* aFileName)

{

    HBufC* fn = NULL;

    if (aFileName)

    {

        fn = aFileName->AllocL();

    }

    delete iFileName;

    iFileName = fn;

}

HBufC* CMMAMMFResolver::FileNameOwnership()

{

    HBufC* fn = iFileName;

    iFileName = NULL;

    return fn;

}

void CMMAMMFResolver::ResolveContentTypeL()

{

    DEBUG("+ CMMAMMFResolver::ResolveContentTypeL()");

    CMMFFormatSelectionParameters* fSelect = iRequiredPlayFormatSupport;

    if (!fSelect)

    {

        fSelect = iRequiredRecordFormatSupport;

    }

    // if there is no play or record formats this object is not

    // initialized correctly.

    __ASSERT_DEBUG(fSelect, User::Invariant());

    CMMFFormatSelectionParameters::TMatchDataType type =

        fSelect->MatchDataType();

    // if there is no implementation this method must not be called.

    __ASSERT_DEBUG(iImplementations->Count() > 0, User::Invariant());

    const RMMFFormatImplInfoArray* formats =

        Formats((*iImplementations)[ 0 ]);

    HBufC8* contentType = NULL;

    TInt formatsCount = formats->Count();

    if (type == CMMFFormatSelectionParameters::EMatchMimeType)

    {

        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchMimeType");

        // The match was based on a mime type.

        contentType = fSelect->MatchData().AllocLC();

    }

    else if (type == CMMFFormatSelectionParameters::EMatchFileExtension)

    {

        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchFileExtension");

        // The match was based on a file extension.

        RApaLsSession ls;

        TInt error;

        error = ls.Connect();

        TDataRecognitionResult result;

        error = ls.RecognizeData(*iFileName, KNullDesC8, result);

        ls.Close();

        if (iFileName && (iFileName->Right(3).Compare(KRaFileExtension()) == 0))

        {

            contentType = KMimetypeRM().AllocLC();

        }

        else if (iFileName && (iFileName->Right(3).Compare(KRmFileExtension()) == 0) &&

                 !(IsRealVideoTypeL(*iFileName)))

        {

            contentType = KMimetypeRM().AllocLC();

        }

        else if (!error && (result.iConfidence >= CApaDataRecognizerType::EProbable))

        {

            DEBUG_INT("CMMAMMFResolver::ResolveContentTypeL - Confidence : %d", result.iConfidence);

            contentType = result.iDataType.Des8().AllocLC();

        }

        else

        {

            // The probability is less, hence matching is done based on legacy style

            for (TInt format = 0; (format < formatsCount) &&

                    !contentType; format++)

            {

                const CMMFFormatImplementationInformation* info = (*formats)[ format ];

                if (info->SupportsFileExtension(fSelect->MatchData()))

                {

                    if (info->SupportedMimeTypes().Count() > 0)

                    {

                        contentType = info->SupportedMimeTypes()[ 0 ].AllocLC();

                    }

                }

            }

        }

    }

    else if (type == CMMFFormatSelectionParameters::EMatchHeaderData)

    {

        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchHeaderData");

        // The match was on a header data.

        RApaLsSession ls;

        TInt error;

        error = ls.Connect();

        TDataRecognitionResult result;

        error = ls.RecognizeData(KNullDesC, fSelect->MatchData() , result);

        ls.Close();

        if (!error && (result.iConfidence >= CApaDataRecognizerType::EProbable))

        {

            contentType = result.iDataType.Des8().AllocLC();

        }

        else

        {

            // The probability is less, hence matching is done based on legacy style

            for (TInt format = 0; (format < formatsCount) &&

                    !contentType; format++)

            {

                CMMFFormatImplementationInformation* info = (*formats)[ format ];

                if (info->SupportsHeaderDataL(fSelect->MatchData()))

                {

                    if (info->SupportedMimeTypes().Count() > 0)

                    {

                        contentType = info->SupportedMimeTypes()[ 0 ].AllocLC();

                    }

                }

            }

        }

    }

    else

    {

        DEBUG("CMMAMMFResolver::ResolveContentTypeL - KErrNotSupported");

        // EMatchAny is not supported

        User::Leave(KErrNotSupported);

    }

    // iContentType remains NULL if content type was not found.

    if (contentType)

    {

        DEBUG_STR8("CMMAMMFResolver::ResolveContentTypeL - contentType : %s", (*contentType).Des());

        HBufC* ct = HBufC::NewL(contentType->Length());

        (ct->Des()).Copy(*contentType);

        CleanupStack::PopAndDestroy(contentType);

        delete iContentType;

        iContentType = ct;

    }

    else

    {

        //This situation should never occur

        DEBUG("CMMAMMFResolver::ResolveContentTypeL - contentType = NULL");

        User::Leave(KErrUnknown);

    }

    DEBUG("- CMMAMMFResolver::ResolveContentTypeL()");

}

TBool CMMAMMFResolver::IsRealVideoTypeL(const TDesC& aFileName)

{

    TBool result = EFalse;

    CHXMetaDataUtility *putil;

    putil = CHXMetaDataUtility::NewL();

    CleanupStack::PushL(putil);

    TRAPD(err, putil->OpenFileL(aFileName));

    DEBUG_INT("MMA:CMMAMMFResolver::IsRealVideoTypeL, err = %d", err);

    if (err != KErrNone)

    {

        CleanupStack::Pop(putil);

        putil->ResetL();

        delete putil;

        return EFalse;

    }

    TUint count = 0;

    putil->GetMetaDataCount(count);

    TUint i;

    HXMetaDataKeys::EHXMetaDataId  id;

    for (i = 0; i < count; i++)

    {

        HBufC* pDes = NULL;

        putil->GetMetaDataAt(i, id, pDes);

        if (id == HXMetaDataKeys::EHXMimeType)

        {

            if (IsRealMimeTypeSupported(*pDes))

            {

                result = ETrue;

            }

        }

    }

    CleanupStack::Pop(putil);

    putil->ResetL();

    delete putil;

    return result;

}

TBool CMMAMMFResolver::IsRealMimeTypeSupported(const TDesC& aMimeType)

{

    TBool match = EFalse;

    if (!aMimeType.Compare(KRVMimeType1()))

    {

        match = ETrue;

        return match;

    }

    if (!aMimeType.Compare(KRVMimeType2()))

    {

        match = ETrue;

        return match;

    }

    if (!aMimeType.Compare(KRVMimeType3()))

    {

        match = ETrue;

        return match;

    }

    return match;

}

void CMMAMMFResolver::GetSupportedContentTypesL(CDesC16Array& aMimeTypeArray)

{

    iControllerSelection->ListImplementationsL(*iImplementations);

    TInt impCount = iImplementations->Count();

    for (TInt i = 0; i < impCount; i++)

    {

        const RMMFFormatImplInfoArray* formats = Formats((*iImplementations)[ i ]);

        TInt formatsCount(formats->Count());

        for (TInt format = 0; format < formatsCount; format++)

        {

            const CMMFFormatImplementationInformation* info = (*formats)[ format ];

            const CDesC8Array& supportedMimes = info->SupportedMimeTypes();

            TInt mimeCount = supportedMimes.Count();

            for (TInt mime = 0; mime < mimeCount; mime++)

            {

                // must convert from 8 bits to 16 bits

                HBufC* tmpBuf = HBufC::NewLC(supportedMimes[ mime ].Length());

                tmpBuf->Des().Copy(supportedMimes[ mime ]);

                aMimeTypeArray.AppendL(*tmpBuf);

                CleanupStack::PopAndDestroy(tmpBuf);

            }

        }

    }

}

void CMMAMMFResolver::SetRequiredPlayFormatSupportL(

    CMMFFormatSelectionParameters& aRequiredSupport)

{

    iControllerSelection->SetRequiredPlayFormatSupportL(aRequiredSupport);

    iRequiredPlayFormatSupport = &aRequiredSupport;

}

void CMMAMMFResolver::SetRequiredRecordFormatSupportL(

    CMMFFormatSelectionParameters& aRequiredSupport)

{

    iControllerSelection->SetRequiredRecordFormatSupportL(aRequiredSupport);

    iRequiredRecordFormatSupport = &aRequiredSupport;

}

const RMMFFormatImplInfoArray* CMMAMMFResolver::Formats(CMMFControllerImplementationInformation* aImplementation)

{

    const RMMFFormatImplInfoArray* formats = NULL;

    if (iRequiredPlayFormatSupport)

    {

        formats = &(aImplementation->PlayFormats());

    }

    else

    {

        // if there is no play or record formats this object is not

        // initialized correctly.

        __ASSERT_DEBUG(iRequiredRecordFormatSupport, User::Invariant());

        formats = &(aImplementation->RecordFormats());

    }

    return formats;

}

CMMFControllerPluginSelectionParameters*

CMMAMMFResolver::SelectionParameters()

{

    return iControllerSelection;

}

CMMAMMFResolver::~CMMAMMFResolver()

{

    if (iImplementations)

    {

        iImplementations->ResetAndDestroy();

    }

    delete iImplementations;

    delete iContentType;

    delete iControllerSelection;

    delete iFileName;

}

CMMAMMFResolver::CMMAMMFResolver()

{

}

void CMMAMMFResolver::ConstructL()

{

    iImplementations = new(ELeave)RMMFControllerImplInfoArray();

    iControllerSelection = CMMFControllerPluginSelectionParameters::NewL();

}

//  END OF FILE