/*

* Copyright (c) 2003 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:  History file writer class

*

*/

// INCLUDE FILES

#include <E32DEF.H>

#include <e32std.h>

#include "CCALoggerWriter.h"

#include "MCALoggerWriteObserver.h"

#include "MCALoggerMessageHeader.h"

#include "MCALoggerMessage.h"

#include "PrivateDefinitions.h"

//for debug

#include "ChatDebugPrint.h"

#ifdef RD_MULTIPLE_DRIVE

#include <centralrepository.h>

#include <IMPSServiceSettingsUINGInternalCRKeys.h>

#include <E32std.h>

#include <EIKAPP.H>

#include <eikappui.h>

#include <eikenv.h>

#include <eikbtgpc.h>

#include <driveinfo.h>

#include <StringLoader.h>            // StringLoader	

#include "IMDialogUtils.h"

#include <CAknMemorySelectionDialogMultiDrive.h>

#include <rsfwmountman.h>

const TInt KErrNotSaved = -999;

#endif

//CONSTANTS

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

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

// Destructor

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

//

CCALoggerWriter::~CCALoggerWriter()

    {

    CHAT_DP_TXT( "CCALoggerWriter::~CCALoggerWriter" );

    if ( iLoggingOn )

        {

        //Must not leave here so trap all leaves no matter what.

        TInt ignore( KErrNone );

        TRAP( ignore, EndLoggingL() );

        }

    }

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

// Two phase creation.

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

//

CCALoggerWriter* CCALoggerWriter::NewL(		MCALoggerWriteObserver& aObserver,

                                         RFs& aFileSession )

    {

    CHAT_DP_TXT( "CCALoggerWriter::NewL" );

    CCALoggerWriter* self = new ( ELeave ) CCALoggerWriter(	aObserver,

                                                            aFileSession );

    return self;

    }

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

// Constructor

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

//

CCALoggerWriter::CCALoggerWriter(	MCALoggerWriteObserver& aObserver,

                                  RFs& aFileSession )

        : iManager( aObserver ), iFileSession( aFileSession )

    {

    CHAT_DP_TXT( "CCALoggerWriter::CCALoggerWriterL" );

    }

// ================= INHERITED FUNCTIONS =======================

// From MCALoggerWriteInterface.

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

// Logging starts here. Header information should be written.

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

//

void CCALoggerWriter::StartLoggingL( MCALoggerMessageHeader* aFile )

    {

    CHAT_DP_TXT( "CCALoggerWriter::StartLoggingL" );

    if ( ! aFile )

        {

        User::Leave( KErrArgument );

        }

    CleanupDeletePushL( aFile );

    //Ownership of aFile is transfered to this component so push it to stack

    if ( iLoggingOn )

        {

        User::Leave( KErrInUse );

        }

    HBufC* logFileName = iManager.CreateNewFilenameL(); // we should get the correct file name only....

#ifdef RD_MULTIPLE_DRIVE

    if ( logFileName == NULL )

        {

        CleanupStack::Pop( aFile );

        User::Leave( KErrNotSaved );

        return;

        }

#endif

    CleanupStack::PushL( logFileName );

    aFile->SetFilenameL( *logFileName );

    CleanupStack::PopAndDestroy( logFileName );

    // Try to create the file

    TInt error = iFileStream.Create( iFileSession, aFile->FilenameL(), EFileWrite );

    if ( error != KErrNone )

        {

        User::LeaveIfError( error );

        }

    //Transfer ownership of aFile to iManager

    TFileRelation relation;

    relation.iFile = aFile;

    relation.iWriter = this;

    CleanupStack::Pop( aFile );

    iManager.AddFileL( relation );

    iLoggingOn = ETrue;

    }

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

// Logging ends here. File should be closed after this.

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

//

void CCALoggerWriter::EndLoggingL()

    {

    CHAT_DP_TXT( "CCALoggerWriter::EndLoggingL" );

    //set Logginstate off.

    iLoggingOn = EFalse;

    //Close the file

    iFileStream.Close();

    //Inform manager that file is not needed anymore.

    iManager.RemoveFileL( *this );

    }

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

// Is logging on. ETrue if on, EFalse if off.

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

//

TBool CCALoggerWriter::IsLoggingOn()

    {

    CHAT_DP_TXT( "CCALoggerWriter::IsLoggingL" );

    return iLoggingOn;

    }

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

// Logging the message.

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

//

void CCALoggerWriter::MakeLogL( MCALoggerMessage& aMessage )

    {

    CHAT_DP_TXT( "CCALoggerWriter::MakeLogL" );

    if ( ! iLoggingOn )

        {

        User::Leave( KErrNotReady );

        }

    if ( iManager.CheckMemoryL( aMessage.MessageSizeInBytesL() ) )

        {

        aMessage.ExternalizeL( iFileStream );

        iFileStream.CommitL();

        }

    else

        {

        User::Leave( KErrDiskFull );

        }

    }

//fix - refer Ui Spec Approved Version 1.0 (Instant Messaging NG 001 151006.pdf)

//Section 10.2.10 Pg 131 -

//"In case user has saved the image already or sent it by himself,

// this option(save) is not available."

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

// ReLogging the message.

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

//

void CCALoggerWriter::ReLoggingL( MCALoggerMessageHeader& aFile )

    {

    CHAT_DP_TXT( "CCALoggerWriter::StartLoggingL" );

    if ( iLoggingOn )

        {

        User::Leave( KErrInUse );

        }

    // Try to create the file

    User::LeaveIfError( iFileStream.Replace( iFileSession,

                                             aFile.FilenameL(),

                                             EFileWrite ) );

    iLoggingOn = ETrue;

    }

//fix - refer Ui Spec Approved Version 1.0 (Instant Messaging NG 001 151006.pdf)

//Section 10.2.10 Pg 131 -

//"In case user has saved the image already or sent it by himself,

// this option(save) is not available."

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

// Logging ends here. File should be closed after this.

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

//

void CCALoggerWriter::EndReLogging()

    {

    CHAT_DP_TXT( "CCALoggerWriter::EndLoggingL" );

    //set Logginstate off.

    iLoggingOn = EFalse;

    //Close the file

    iFileStream.Close();

    }

//end of file