/*

* Copyright (c) 2002-2004 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:   Provides functionality for DRM file protection analyzing

*                and content MMS compatibility resolving.

*

*/

// INCLUDE FILES

#include    "SendUiFileRightsEngine.h"

#include    <SendUiConsts.h>

#include    "SendUiDataUtils.h"

#include    <MsgMedia.hrh>

#include    <MsgMediaResolver.h>            // Msg Media Resolver

#include    <MmsConformance.h>              // MMS Conformance

#include    <sendnorm.rsg>

#include    <AknQueryDialog.h>              // Query dialog

#include    <AknNoteWrappers.h>             // Note dialog

#include    <stringresourcereader.h>        // String Resource Reader

#include    <stringloader.h>                // Stringloader

#include    <data_caging_path_literals.hrh>

#include    <mmsconst.h>

#include    <fileprotectionresolver.h>

#include    <VideoConversionApi.h>

#include    <MsgMimeTypes.h>

#include    "CSendUiAttachment.h"

// CONSTANTS

const TInt KFREKiloByte                     = 1024;

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

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

// CSendUiFileRightsEngine::CSendUiFileRightsEngine

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CSendUiFileRightsEngine::CSendUiFileRightsEngine( RFs& aFS )

    : iFileSession( aFS )

    {

    }

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

// CSendUiFileRightsEngine::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSendUiFileRightsEngine::ConstructL()

    {

    iProtectionResolver = CFileProtectionResolver::NewL( iFileSession );

    iMediaResolver = CMsgMediaResolver::NewL();

    iMmsConformance = CMmsConformance::NewL();

    }

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

// CSendUiFileRightsEngine::NewL

// Two-phased constructor.

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

//

EXPORT_C CSendUiFileRightsEngine* CSendUiFileRightsEngine::NewL( RFs& aFs)

    {

    CSendUiFileRightsEngine* self = NewLC( aFs );

    CleanupStack::Pop( self );

    return self;

    }

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

// CSendUiFileRightsEngine::NewLC

// Two-phased constructor.

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

//

EXPORT_C CSendUiFileRightsEngine* CSendUiFileRightsEngine::NewLC( RFs& aFs )

    {

    CSendUiFileRightsEngine* self =

        new( ELeave ) CSendUiFileRightsEngine( aFs );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// Destructor

CSendUiFileRightsEngine::~CSendUiFileRightsEngine()

    {

    delete iProtectionResolver;

    delete iMediaResolver;

    delete iMmsConformance;

    }

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

// CSendUiFileRightsEngine::ConfirmDrmFileRightsL

// Closed content list checking is also done here.

// (other items were commented in a header).

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

//

EXPORT_C void CSendUiFileRightsEngine::ConfirmDrmFileRightsL(

    CArrayPtrFlat<CSendUiAttachment>* aAttachments )

    {

	if ( !aAttachments )

		{

		return;

		}

    TInt fileCount = aAttachments->Count();

    if ( fileCount )

        {

        TInt index = 0;

        TInt protection = 0;

        TDataType mimeType;

        CSendUiDataUtils* dataUtils = CSendUiDataUtils::NewL( iFileSession );

        CleanupStack::PushL( dataUtils );

        while ( index < fileCount)

            {

            iValidationResults[ESenduiIndexTotalCount]++;

            CSendUiAttachment& attachment = *(aAttachments->At(index));

            RFile file = *(attachment.Handle());

            dataUtils->ResolveFileMimeTypeL( file, mimeType );

        	protection = iProtectionResolver->ProtectionStatusL( file, mimeType );

     		attachment.SetMimeType( mimeType );

            if ( protection & EFileProtSuperDistributable )

                {

                iValidationResults[ESenduiIndexDrmSD]++;

                }

            else if ( ( protection & EFileProtForwardLocked ) ||

                      ( protection & EFileProtClosedContent ) )

                {

                iInvalidationReason[ESenduiIndexDrmFLOrCCL]++;

                iValidationResults[ESenduiIndexDeleted]++;

                delete aAttachments->At(index);

                aAttachments->Delete( index );

                fileCount--;

                index--;

                }

            index++;

            }

        CleanupStack::PopAndDestroy( dataUtils );

        }

    }

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

// CSendUiFileRightsEngine::ConfirmMmsValidityL

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

//

EXPORT_C void CSendUiFileRightsEngine::ConfirmMmsValidityL(

    CArrayPtrFlat<CSendUiAttachment>* aAttachments,

    TUid                aServiceId )

    {

	if ( !aAttachments )

		{

		return;

		}

    TBool removeFilePath = EFalse;

    TInt index = 0;

    TInt fileCount = aAttachments->Count();

    TInt attachmentsSize = 0;

    // MMS image size is set to original for MMS upload service,

    // otherwise oversize images are not filtered away from array

    if( aServiceId == KMmsDirectUpload || aServiceId == KMmsIndirectUpload )

        {

        // Image size setting not used since only MIME type conformance is checked.

        iMmsConformance->SetCreationMode( ETrue );

        }

    if ( fileCount )

        {

        while ( index < fileCount)

            {

            // Validate file for MMS

            CSendUiAttachment& attachment = *(aAttachments->At(index));

            removeFilePath = AnalyzeMmsValidationResultL( *(aAttachments->At(index) ), attachmentsSize );

            if ( removeFilePath )

                {

                delete aAttachments->At(index);

                aAttachments->Delete( index );

                iValidationResults[ESenduiIndexDeleted]++;

                fileCount--;

                index--;

                }

            index++;

            }

        }

    }

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

// CSendUiFileRightsEngine::ShowDrmAndMmsInfoL

// Shows DRM confirmation query and/or error note, if needed.

// Returns EFalse if user cancels sending.

// (other items were commented in a header).

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

//

EXPORT_C TBool CSendUiFileRightsEngine::ShowDrmAndMmsInfoL( TUid aServiceId )

    {

    TBool showDrmQuery = EFalse;

    TBool showErrorNotification = EFalse;

    TUint drmQueryTextId = 0;

    TUint noteTextId = 0;

    TUint valueForNote = 0;

    TFREErrorNoteType noteType = EInformationNote;

    // Information query and/or error note is shown if needed

    if ( iValidationResults[ESenduiIndexDeleted] )

        {

        ResolveErrorNoteL( aServiceId, noteTextId, noteType, valueForNote );

        showErrorNotification = ETrue;

        }

    // Possible DRM query is shown only if all files are not deleted.

    if ( iValidationResults[ESenduiIndexDeleted] <

         iValidationResults[ESenduiIndexTotalCount] )

        {

        if ( iValidationResults[ESenduiIndexDrmSD] )

            {

            ResolveDrmQuery( aServiceId, drmQueryTextId );

            showDrmQuery = ETrue;

            }

        }

    // Show error note if needed

    if ( showErrorNotification )

        {

        ShowErrorNotificationL( noteTextId, noteType, valueForNote );

        }

    // Show query if needed

    if ( showDrmQuery )

        {

        return ShowConfirmationQueryL(

            drmQueryTextId, R_SENDUI_DRM_FORWARDLOCKED_CONTENT_QUERY );

        }

    return ETrue;

    }

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

// CSendUiFileRightsEngine::CalculateTotalSizeOfFiles

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

//

EXPORT_C TInt CSendUiFileRightsEngine::CalculateTotalSizeOfFiles(

    CArrayPtrFlat<CSendUiAttachment>* aAttachments,

    TBool aLinksSupported )

{

	if ( !aAttachments )

		{

		return 0;

		}

    TUint totalSize = 0;

    TInt index = 0;

    for ( index = 0; index < aAttachments->Count(); index++ )

        {

        CSendUiAttachment& attachment = *(aAttachments->At(index));

        if ( attachment.Type() == CSendUiAttachment::EAttachmentHandle )

        	{

        	totalSize += attachment.Size();

        	}

    	else

    		{

    		if ( !aLinksSupported )

    			{

	    		totalSize += attachment.Size();

    			}

    		}

        }

    return totalSize;

}

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

// CSendUiFileRightsEngine::ClearValidationCounters

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

//

EXPORT_C void CSendUiFileRightsEngine::ClearValidationCounters()

    {

    TInt index = 0;

    // Go through the lists

    for( index = 0; index < ESenduiIndexLastResult; index++ )

        {

        iValidationResults[index] = 0;

        }

    for( index = 0; index < ESenduiIndexLastInvalid; index++ )

        {

        iInvalidationReason[index] = 0;

        }

    }

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

// CSendUiFileRightsEngine::AnalyzeMmsValidationResult

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

// 

TBool CSendUiFileRightsEngine::AnalyzeMmsValidationResultL( CSendUiAttachment& aAttachment, TInt& aAttachmentsSize )

    {

    TBool attachmentInvalid = ETrue;

    RImplInfoPtrArray implArray;

    CleanupStack::PushL( TCleanupItem( CleanupImplArray, &implArray ) );

    CVideoConversionPlugin::ListImplementationsL( implArray );

    if ( aAttachment.MimeType() == KMsgMimeVideoMp4 && implArray.Count() != 0 )

        {

        attachmentInvalid = EFalse;

        }

    else if ( !iMmsConformance->CreationMode() &&

         !iMmsConformance->IsConformantMime( aAttachment.MimeType() ) )

        {

        // Restricted mode and non-conformant MIME

        iInvalidationReason[ESenduiIndexMmsNotSupported]++;

        }

    else if ( aAttachmentsSize + aAttachment.Size() > iMmsConformance->MaxSendSize() &&

              iMediaResolver->MediaType( aAttachment.MimeType() ) != EMsgMediaImage )

        {

        iInvalidationReason[ESenduiIndexMmsTooBig]++;

        }

    else

        {

        attachmentInvalid = EFalse;

        }

	if ( !attachmentInvalid

			&& iMediaResolver->MediaType( aAttachment.MimeType() ) != EMsgMediaImage )

	    {

	    aAttachmentsSize += aAttachment.Size();

	    }

    CleanupStack::PopAndDestroy( );    //implArray

    return attachmentInvalid;

    }

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

// CSendUiFileRightsEngine::ResolveErrorNoteL

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

//

void CSendUiFileRightsEngine::ResolveErrorNoteL(

    TUid                    aServiceId,

    TUint&                  aResourceId,

    TFREErrorNoteType&      aNoteType,

    TUint&                  aValueForNote )

    {

    TInt i = 0;

    TInt errorTypeCount = 0;

    TUint errorType = 0;

    TUint totalFileCount = iValidationResults[ESenduiIndexTotalCount];

    TUint deletedFiles = iValidationResults[ESenduiIndexDeleted];

    // Own notes for MMS direct upload

    if ( aServiceId == KMmsDirectUpload )

        {

        ResolveMmsUploadErrorNoteL(

            aResourceId, aNoteType, aValueForNote );

        return;

        }

    // Count amount of different error types, if different errors exists

    // general error note is shown.

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

        {

        if ( iInvalidationReason[i] > 0 )

            {

            errorType = i;

            errorTypeCount++;

            }

        }

    if ( errorTypeCount == 0 )

        { // Should never end up here.

        aResourceId = R_SENDUI_MME_NONE_CANNOT_INS;

        return;

        }

    else if ( errorTypeCount == 1 )

        {  

        switch ( errorType )

            {

            case ESenduiIndexDrmFLOrCCL:

                {

                TUint protectedFiles = iInvalidationReason[ ESenduiIndexDrmFLOrCCL ];

                if ( deletedFiles < totalFileCount )

                    { // Some files are protected

                    aResourceId = R_SENDUI_DRM_SEND_FORBID_SOME;

                    }

                else

                    { // All files are protected

                    if ( protectedFiles == 1 )

                        { // One protected file

                        aResourceId = R_SENDUI_DRM_SEND_FORBID_ONE;

                        }

                    else

                        { // Many protected files

                        aResourceId = R_SENDUI_DRM_ALL_FILES_DELETED;

                        }

                    }

                }            

                break;

            case ESenduiIndexAlreadyInUse:

                {

                if ( deletedFiles == totalFileCount )

                    { // All files are in use

                    User::Leave( KErrInUse );

                    }

                else

                    { // Some files are in use

                    aResourceId = R_SENDUI_MME_SOME_INSERTED;

                    }

                }

                break;

            case ESenduiIndexMmsTooBig:

                {

                if ( deletedFiles == totalFileCount )

                    { // All files are too big

                    aResourceId = R_SENDUI_MME_ONE_TOO_BIG;

                    }

                else

                    { // Some files are too big

                    aResourceId = R_SENDUI_MME_MANY_TOO_BIG;

                    }

                aNoteType = EConfirmationQuery;

                aValueForNote = iMmsConformance->MaxSendSize();

                aValueForNote /= KFREKiloByte ;

                }

                break;

            case ESenduiIndexMmsNotSupported:

                {

                // Different notes when creation mode is locked

                if ( iMmsConformance->CreationModeUserChangeable() &&

                     !iMmsConformance->CreationMode() )

                    {

                    if ( deletedFiles == totalFileCount )

                        { // All files are not supported

                        aResourceId = deletedFiles > 1 ?

                            R_SENDUI_MME_RMODE_FILES_NOT_SUPPORTED :

                            R_SENDUI_MME_RMODE_FILE_NOT_SUPPORTED;

                        }

                    else

                        { // Some files are not supported

                        aResourceId = R_SENDUI_MME_RMODE_SOME_NOT_SUPPORTED;

                        }

                    }

                else

                    {

                    if ( deletedFiles == totalFileCount )

                        { // All files are not supported

                        aResourceId = deletedFiles > 1 ?

                            R_SENDUI_MME_FILES_NOT_SUPPORTED :

                            R_SENDUI_MME_FILE_NOT_SUPPORTED;

                        }

                    else

                        { // Some files are not supported

                        aResourceId = R_SENDUI_MME_SOME_FILES_DELETED;

                        }

                    }

                }

                break;

            case ESenduiIndexBadHandle:

            default:

                {

                aResourceId = R_SENDUI_MME_NONE_CANNOT_INS;

                }

                break;

            }

        }

    else // Different kind of errors exist, show general error note

        {

        if ( totalFileCount == deletedFiles )

            { // Can't send any file

            aResourceId = R_SENDUI_MME_NONE_CANNOT_INS;

            }

        else

            { // Some files can be send

            aResourceId = R_SENDUI_MME_SOME_INSERTED;

            }

        }

    }

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

// CSendUiFileRightsEngine::ResolveMmsUploadErrorNoteL

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

//

void CSendUiFileRightsEngine::ResolveMmsUploadErrorNoteL(

    TUint&                      aResourceId,

    TFREErrorNoteType&          aNoteType,

    TUint&                      aValueForNote )

    {

    TInt i = 0;

    TInt errorTypeCount = 0;

    TUint errorType = 0;

    TUint totalFileCount = iValidationResults[ESenduiIndexTotalCount];

    TUint deletedFiles = iValidationResults[ESenduiIndexDeleted];

    // Count amount of different error types, if different errors exists

    // general error note is shown.

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

        {

        if ( iInvalidationReason[i] > 0 )

            {

            errorType = i;

            errorTypeCount++;

            }

        }

    if ( errorTypeCount == 0 )

        { // Should never end up here.

        return;