/*

* Copyright (c) 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:  Class for attachment verification

*

*/

// INCLUDE FILES

#include "Msgattachmentverifier.h"

#include "MsgMailDRMHandler.h"

#include "MailUtils.h"

#include <MsgMailEditor.rsg>

#include <MuiuMsvUiServiceUtilities.h>

#include <e32base.h>

#include <coemain.h>

// LOCAL CONSTANTS AND MACROS

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

// C++ default constructor cannot contain any code that might leave

CMsgAttachmentVerifier::CMsgAttachmentVerifier( CMsvSession& aMsvSession )

    : iMsvSession( aMsvSession )

    {

    }

// Symbian OS default constructor can leave.

void CMsgAttachmentVerifier::ConstructL()

    {

    iDRMHandler = MsgMailDRMHandler::NewL();

    }

// NewLC

CMsgAttachmentVerifier* CMsgAttachmentVerifier::NewLC(

    CMsvSession& aMsvSession )

    {

    CMsgAttachmentVerifier* self =

        new (ELeave) CMsgAttachmentVerifier( aMsvSession );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

// Destructor

CMsgAttachmentVerifier::~CMsgAttachmentVerifier()

    {

    delete iDRMHandler;

    }

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

// Verify selected files or show a note if something wrong in a selection.

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

//

TBool CMsgAttachmentVerifier::VerifySelectionL( 

    const MDesCArray* aSelectedFiles )

    {

    ASSERT( aSelectedFiles );

    TBool result( ETrue );

    TInt attachmentsByteSize( 0 );

    TInt selectionCount = aSelectedFiles->MdcaCount();

    for (TInt i=0; i<selectionCount && result; i++)

        {

        TInt fileSize( 0 );

      	result = VerifyFileL( aSelectedFiles->MdcaPoint(i), fileSize );

      	attachmentsByteSize += fileSize;

        }

    if ( result )

        {

        result = VerifyDiskSpaceL( attachmentsByteSize );

        }

    return result;

    }

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

// Verify selected files or show a note if something wrong in a selection.

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

//

TBool CMsgAttachmentVerifier::OkToExitL( 

	const TDesC& aDriveAndPath, const TEntry& aEntry )

	{

	TBool result( ETrue );

	TInt length = aDriveAndPath.Length() + aEntry.iName.Length();

	if ( length )

		{

		HBufC* filename = HBufC::NewLC( length );

		TPtr ptr = filename->Des();

		ptr.Append( aDriveAndPath );

		ptr.Append( aEntry.iName );

		TInt fileSize( 0 );

		result = VerifyFileL( *filename, fileSize );

		CleanupStack::PopAndDestroy( filename );

        if ( result )

            {

            result = VerifyDiskSpaceL( fileSize );

            }		

		}

	return result;	

	}

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

// Verify selected files or show a note if something wrong in a selection.

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

//

TBool CMsgAttachmentVerifier::VerifyFileL(

    const TDesC& aFilename,

    TInt& aFileByteSize )

	{

    RFs& fs = CCoeEnv::Static()->FsSession();

    TBool result( ETrue );

   	RFile attachment;

    User::LeaveIfError( attachment.Open(

        fs, 

        aFilename, 

        EFileShareReadersOnly) );

    CleanupClosePushL(attachment);

    // Size() may return error value but then we can just ignore it, file

    // size checking is not considered that necessary

    aFileByteSize = 0;

    attachment.Size( aFileByteSize );

    if ( MailUtils::IsClosedFileL( attachment ) ) 

        {

        MailUtils::InformationNoteL(R_QTN_MAIL_SEND_FORBID_1);

        result = EFalse;

        }

    else if ( iDRMHandler->IsSuperDistributableFileL( attachment ) )

        {

        result = MailUtils::ConfirmationQueryL(

            R_QTN_MAIL_SEND_WO_RIGHTS_SD_1, 

            R_MAIL_EDITOR_DELETE_MESSAGE );

        }

    // attachment

    CleanupStack::PopAndDestroy();  // CSI: 12 # RFile

    return result;       

	}

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

// Verifies that there is enough disk space to add attachment(s)

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

//

TBool CMsgAttachmentVerifier::VerifyDiskSpaceL( TInt aAttachmentsByteSize )

    {

    TBool result( ETrue );

    if ( MsvUiServiceUtilities::DiskSpaceBelowCriticalLevelL(

            iMsvSession, aAttachmentsByteSize ) )

        {

        MailUtils::ConfirmationQueryL( R_QTN_MEMLO_NOT_ENOUGH_MEMORY,

                                       R_MAIL_CONFIRM_NOT_ENOUGH_MEMORY );

        result = EFalse;

        }

    return result;

    }

//  End of File