/*

* Copyright (c) 2007 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:  PSM storage for backups and configs

*

*/

#include "psmconfigstorage.h"

#include "psmstoragedefines.h"

#include "psmtrace.h"

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

// CPsmConfigStorage::NewL

// Two-phased constructor.

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

//

CPsmConfigStorage* CPsmConfigStorage::NewL( TPsmsrvMode aMode, RFs& aFile )

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::NewL()" ) ) );

    CPsmConfigStorage* self = CPsmConfigStorage::NewLC( aMode, aFile );

    CleanupStack::Pop( self );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::NewL - return 0x%x" ), self ) );

    return self;

    }

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

// CPsmConfigStorage::NewLC

// Two-phased constructor.

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

//

CPsmConfigStorage* CPsmConfigStorage::NewLC( TPsmsrvMode aMode, RFs& aFile )

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::NewLC()" ) ) );

    CPsmConfigStorage* self = new( ELeave ) CPsmConfigStorage( aMode, aFile );

    CleanupStack::PushL( self );

    self->ConstructL();

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::NewLC - return 0x%x" ), self ) );

    return self;

    }

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

// CPsmConfigStorage::CPsmConfigStorage

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

// might leave.

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

//

CPsmConfigStorage::CPsmConfigStorage( TPsmsrvMode aMode, RFs& aFile ) :

    CPsmStorage( aMode, aFile )

    {

    }

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

// CPsmConfigStorage::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPsmConfigStorage::ConstructL()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::ConstructL()" ) ) );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::ConstructL - return" ) ) );

    }

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

// Destructor

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

//

CPsmConfigStorage::~CPsmConfigStorage()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::~CPsmConfigStorage()" ) ) );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::~CPsmConfigStorage - return") ) );

    }

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

// CPsmConfigStorage::InitRootElementsL

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

//

void CPsmConfigStorage::InitRootElementsL()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::InitRootElementsL()" ) ) );

    // Get root element

    if ( iStorageFile.NotNull() )

        {

        iStorageRoot = iStorageFile.DocumentElement();               

        }

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::InitRootElementsL() - return" ) ) );

    }

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

// CPsmConfigStorage::InitConfigL

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

//

void CPsmConfigStorage::InitStorageL( const TUint32 aStorageUid )

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::InitStorageL()" ) ) );

    iStorageUid = aStorageUid;

    // Create storage file parser    

    iDOMImpl.OpenL( );

    User::LeaveIfError( iStorageParser.Open( iDOMImpl ) );

    // Generate file folder+name+extension

    TBuf<KPsmMaxPathLength> privatePath( KNullDesC );

    iFileSession.PrivatePath( privatePath );

    TBuf<KPsmMaxPathLength> storageFile( KNullDesC );

    storageFile.Append( KPsmPrivateDrive );

    storageFile.Append( privatePath );

    storageFile.AppendNumUC( iStorageUid, EHex );

    storageFile.Append( KPsmStorageExtension );

    // Initialize PSM config file. Leave if config file is not found    

    TRAPD( parseErr, iStorageFile = iStorageParser.ParseFileL( iFileSession, storageFile ) );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::InitStorageL() - Parse file started: %i" ), parseErr ) );

    User::LeaveIfError( parseErr );

    // Initialize root elements

    InitRootElementsL();    

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmConfigStorage::InitStorageL() - return" ) ) );

    }

// End of file