/*

* Copyright (c) 2005-2009 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:  Part of SyncML Data Synchronization Plug In Adapter

*

*/

#include <f32file.h>

#include <msvstd.h>

#include <msvapi.h>    

#include <bautils.h>

#include <barsc.h> 

#include <stringpool.h> 

#include <data_caging_path_literals.hrh>

#include <mmsdatastore.rsg>

#include <SmlDataFormat.h>

#include <ecom/implementationproxy.h>

#include "mmsdataprovider.h"

#include "mmsdataproviderdefs.h"

#include "mmsdatastore.h"

#include "logger.h"

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

// CMmsDataProvider::CMmsDataProvider

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

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

CMmsDataProvider::CMmsDataProvider() :

    iOwnStoreFormat(NULL),

    iFilters(1),

    iMsvSession(NULL)

    {

    }

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

// CMmsDataProvider::ConstructL

// Symbian 2nd phase constructor can leave.

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

void CMmsDataProvider::ConstructL()

    {

    LOGGER_ENTERFN( "CMmsDataProvider::ConstructL" ); 

    iMsvSession = CMsvSession::OpenSyncL( *this );

    iRFs = iMsvSession->FileSession();

    iStringPool.OpenL();

    LOGGER_LEAVEFN( "CMmsDataProvider::ConstructL" )

    }

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

// CMmsDataProvider::NewL

// Two-phased constructor.

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

CMmsDataProvider* CMmsDataProvider::NewL()

    {

    LOGGER_ENTERFN("CMmsDataProvider::NewL()"); 

    CMmsDataProvider* self = new (ELeave) CMmsDataProvider;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    LOGGER_LEAVEFN("CMmsDataProvider::NewL()"); 

    return self;  

    }

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

// CMmsDataProvider::~CMmsDataProvider

// Destructor.

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

CMmsDataProvider::~CMmsDataProvider()

    {

    LOGGER_ENTERFN("CMmsDataProvider::~CMmsDataProvider()");

    delete iOwnStoreFormat; 

    delete iMsvSession;

    iStringPool.Close();

    iFilters.ResetAndDestroy();

    iFilters.Close();

    LOGGER_LEAVEFN("CMmsDataProvider::~CMmsDataProvider()");

    }

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

// CMmsDataProvider::HandleSessionEventL

// virtual function from MMsvSessionObserver, does nothing

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

void CMmsDataProvider::HandleSessionEventL(TMsvSessionEvent /*aEvent*/,

    TAny* /*aArg1*/, TAny* /*aArg2*/, TAny* /*aArg3*/ )

    {

    LOGGER_ENTERFN("CMmsDataProvider::HandleSessionEventL()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::HandleSessionEventL()"); 

    }

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

// CMmsDataProvider::DoOnFrameworkEvent

// Not used

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

void CMmsDataProvider::DoOnFrameworkEvent(TSmlFrameworkEvent, TInt /*aParam1*/, TInt /*aParam2*/)

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoOnFrameworkEvent()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::DoOnFrameworkEvent()"); 

    }

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

// CMmsDataProvider::DoSupportsOperation

// Checks whether data provider supports specific operation

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

TBool CMmsDataProvider::DoSupportsOperation(TUid /*aOpId*/) const 

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoSupportsOperation()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::DoSupportsOperation()"); 

    // Optional operations are not supported

    return EFalse;

    }

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

// CMmsDataProvider::DoStoreFormatL

// Creates data store format

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

const CSmlDataStoreFormat& CMmsDataProvider::DoStoreFormatL()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoStoreFormatL()"); 

    if ( !iOwnStoreFormat )

        {

        iOwnStoreFormat = DoOwnStoreFormatL();

        }

    LOGGER_LEAVEFN("CMmsDataProvider::DoStoreFormatL()"); 

    return *iOwnStoreFormat;

    }

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

// CMmsDataProvider::DoListStoresLC

// Returns array fo data stores, not implemented because only single data store

// is supported

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

CDesCArray* CMmsDataProvider::DoListStoresLC()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoListStoresLC()");

    CDesCArrayFlat* stores = new (ELeave) CDesCArrayFlat(1);

    CleanupStack::PushL( stores );

    stores->AppendL( KNSmlDefaultLocalDbName );   

    LOGGER_LEAVEFN("CMmsDataProvider::DoListStoresLC()");

    return stores;

    }

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

// CMmsDataProvider::DoDefaultStoreL

// Returns the name of the default data store

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

const TDesC& CMmsDataProvider::DoDefaultStoreL()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoDefaultStoreL()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::DoDefaultStoreL()"); 

    return KNSmlDefaultLocalDbName;

    }

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

// CMmsDataProvider::DoNewStoreInstanceLC

// Creates a new data store object, which can be used for synchronization

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

CSmlDataStore* CMmsDataProvider::DoNewStoreInstanceLC()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoNewStoreInstanceLC");

    CMmsDataStore* newStore = CMmsDataStore::NewL( *iMsvSession );

    CleanupStack::PushL(newStore);

    LOGGER_LEAVEFN("CMmsDataProvider::DoNewStoreInstanceLC");

    return newStore;

    }

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

// CMmsDataProvider::DoCheckSupportedServerFiltersL

// Filters are not supported

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

void CMmsDataProvider::DoCheckSupportedServerFiltersL(

    const CSmlDataStoreFormat& /*aServerDataStoreFormat*/,

    RPointerArray<CSyncMLFilter>& /*aFilters*/,

    TSyncMLFilterChangeInfo& /*aChangeInfo*/ )

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoCheckSupportedServerFiltersL()"); 

    User::Leave( KErrNotSupported );

    }

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

// CMmsDataProvider::DoCheckServerFiltersL

// Filters are not supported

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

void CMmsDataProvider::DoCheckServerFiltersL(

    RPointerArray<CSyncMLFilter>& /*aFilters*/,

    TSyncMLFilterChangeInfo& /*aChangeInfo*/)

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoCheckServerFiltersL()"); 

    User::Leave( KErrNotSupported );

    }

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

// CMmsDataProvider::DoSupportedServerFiltersL

// Filters are not supported

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

const RPointerArray<CSyncMLFilter>& CMmsDataProvider::DoSupportedServerFiltersL()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoSupportedServerFiltersL()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::DoSupportedServerFiltersL()"); 

    return iFilters; // empty array

    }

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

// CMmsDataProvider::DoSupportsUserSelectableMatchType

// Not supported

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

TBool CMmsDataProvider::DoSupportsUserSelectableMatchType() const

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoSupportsUserSelectableMatchType()"); 

    LOGGER_LEAVEFN("CMmsDataProvider::DoSupportsUserSelectableMatchType()"); 

    return EFalse;

    }           

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

// CMmsDataProvider::DoGenerateRecordFilterQueryLC

// Filters are not supported

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

HBufC* CMmsDataProvider::DoGenerateRecordFilterQueryLC(

    const RPointerArray<CSyncMLFilter>& /*aFilters*/,

    TSyncMLFilterMatchType /*aMatch*/, TDes& /*aFilterMimeType*/,

    TSyncMLFilterType& /*aFilterType*/, TDesC& /*aStoreName*/ )

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoGenerateRecordFilterQueryLC()"); 

    User::Leave( KErrNotSupported );

    return NULL;

    }

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

// CMmsDataProvider::DoGenerateFieldFilterQueryL

// Filters are not supported

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

void CMmsDataProvider::DoGenerateFieldFilterQueryL(

    const RPointerArray<CSyncMLFilter>& /*aFilters*/, TDes& /*aFilterMimeType*/,

    RPointerArray<CSmlDataProperty>& /*aProperties*/, TDesC& /*aStoreName*/)

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoGenerateFieldFilterQueryL()"); 

    User::Leave( KErrNotSupported );

    }

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

// CMmsDataProvider::DoOwnStoreFormatL

// Creates data store format

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

CSmlDataStoreFormat* CMmsDataProvider::DoOwnStoreFormatL()

    {

    LOGGER_ENTERFN("CMmsDataProvider::DoOwnStoreFormatL()"); 

    TParse* parse = new ( ELeave ) TParse();

    CleanupStack::PushL(parse);

    TFileName fileName;

    RResourceFile resourceFile;

    parse->Set( KMmsStoreFormatRscRom, &KDC_RESOURCE_FILES_DIR, NULL );

    fileName = parse->FullName();

    BaflUtils::NearestLanguageFile( iRFs, fileName );

    TRAPD( error, resourceFile.OpenL( iRFs, fileName ) );

    if ( error )

        {

        LOGGER_WRITE_1( "RResourceFile::OpenL leaved with %d - try again", error );

        parse->Set( KMmsStoreFormatRsc, &KDC_RESOURCE_FILES_DIR, NULL );

        fileName = parse->FullName();

        BaflUtils::NearestLanguageFile( iRFs, fileName );

        resourceFile.OpenL( iRFs, fileName );

        }

    CleanupClosePushL( resourceFile );

    HBufC8* buffer = resourceFile.AllocReadLC( MMS_DATA_STORE );

    TResourceReader reader;

    reader.SetBuffer( buffer );

    CSmlDataStoreFormat* dsFormat = NULL;

    dsFormat = CSmlDataStoreFormat::NewLC( iStringPool, reader );

    CleanupStack::Pop( dsFormat );

    CleanupStack::PopAndDestroy( buffer );

    CleanupStack::PopAndDestroy( &resourceFile );

    CleanupStack::PopAndDestroy( parse );

    LOGGER_LEAVEFN("CMmsDataProvider::DoOwnStoreFormatL()"); 

    return dsFormat;

    }

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

// ImplementationTable

// Required by ECom plugin interface, tells the entry point of the library

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

const TImplementationProxy ImplementationTable[] = 

    {

    IMPLEMENTATION_PROXY_ENTRY(KMmsDataProviderImplUid, CMmsDataProvider::NewL)

    };

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

// ImplementationGroupProxy

// Returns the implementation table, required by the ECom plugin interface

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

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    {

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    return ImplementationTable;

    }