// Copyright (c) 2010 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:

//

#include "ccsbackuphandler.h"

#include <e32base.h>

#include <e32property.h>

#include <connect/sbdefs.h>

#include "ccsserver.h"

#include "ccsdebug.h"

_LIT(KDbFileNamePath,"c:\\private\\10281e17\\[2002A542]conversations.db");

// ========================== Member Functions ===============================

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

// CCsBackUpHandler::NewL 

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

CCsBackUpHandler* CCsBackUpHandler::NewL(CCsServer& aServer)

{

    PRINT ( _L("Enter CCsBackUpHandler::NewL") );

    CCsBackUpHandler* self = new (ELeave) CCsBackUpHandler(aServer);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    PRINT ( _L("Exit CCsBackUpHandler::NewL") );

    return (self);

}

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

// CCsBackUpHandler::CCsBackUpHandler 

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

CCsBackUpHandler::CCsBackUpHandler(CCsServer& aServer): iServer(aServer)

{

}

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

// CCsBackUpHandler::~CCsBackUpHandler 

// destructor

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

CCsBackUpHandler::~CCsBackUpHandler()

{

    // Unregister ourselves with backup server

    if (iBackup) 

    {

        iBackup->DeregisterFile(iFileName);

        delete iBackup;

    }

}

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

// CCsBackUpHandler::ConstructL 

// The 2-phase constructor

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

void CCsBackUpHandler::ConstructL()

{

    PRINT ( _L("Enter CCsBackUpHandler::ConstructL") );

    iFileName = KDbFileNamePath;

    // Create backup session

    iBackup = CBaBackupSessionWrapper::NewL();

    // Register with the backup server

    iBackup->RegisterFileL(iFileName, *this);

    PRINT ( _L("Exit  CCsBackUpHandler::ConstructL 2") );

    PRINT1 ( _L("KDbFileNamePath: %S"), &iFileName);

}

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

// CCsBackUpHandler::ChangeFileLockL 

// Call back from the backup engine observer when a backup/restore is taking place

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

void CCsBackUpHandler::ChangeFileLockL(const TDesC& aFileAffected, TFileLockFlags aFlags)

{

    PRINT1 ( _L("ChangeFileLockL: %d"), aFlags);

    PRINT1 ( _L("ChangeFileLockL affected file : %S"), &aFileAffected);

    switch (aFlags) {

    case ETakeLock:

    {

        OpenConversationsDbL();

        break;

    }

    case EReleaseLockNoAccess:    

    case EReleaseLockReadOnly:

    {

        CloseConversationsDbL();

        break;

    }

    default:

    {

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

        break;

    }

    }

}

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

// CCsBackUpHandler::CloseConversationsDbL 

// Unloads the plugins, so that the DB handle is closed

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

void CCsBackUpHandler::CloseConversationsDbL()

{

    iServer.DeletePlugins();

}

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

// CCsBackUpHandler::OpenConversationsDbL 

// Loads the plugins, so that the DB handle is again opened

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

void CCsBackUpHandler::OpenConversationsDbL()

{

    iServer.LoadPlugins();

}