/*

* 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

*

*/

#ifndef __MMSDATAPROVIDER_H__

#define __MMSDATAPROVIDER_H__

// INCLUDES

#include <SmlDataProvider.h>

// FORWARD DECLARATIONS

class CMmsDataStore;

class CSmlDataStoreFormat;

/**

* @brief This class is derived from ECom Data Provider plugin-interface (CSmlDataProvider).

* It makes it possible to synchronize MMS messages from the device message store.

*/

class CMmsDataProvider : public CSmlDataProvider, public MMsvSessionObserver

    {

public:

    /**

    * Constructor.

	*

	* @return CMmsDataProvider*, a new CMmsDataProvider instance.

    */

    static CMmsDataProvider* NewL();

	/**

    * Destructor.

    */

    virtual ~CMmsDataProvider();

    /**

    * Callback from MMsvSessionObserver.

    */

	void HandleSessionEventL( TMsvSessionEvent aEvent, TAny* aArg1, TAny* aArg2, TAny* aArg3 );

protected: // Inherited from CSmlDataProvider

	virtual void DoOnFrameworkEvent( TSmlFrameworkEvent, TInt aParam1, TInt aParam2 );

	virtual TBool DoSupportsOperation( TUid aOpId ) const;

	virtual const CSmlDataStoreFormat& DoStoreFormatL();

	virtual CDesCArray* DoListStoresLC();

	virtual const TDesC& DoDefaultStoreL();

	virtual CSmlDataStore* DoNewStoreInstanceLC();

    virtual void DoCheckSupportedServerFiltersL( const CSmlDataStoreFormat& aServerDataStoreFormat,

        RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo );

    virtual void DoCheckServerFiltersL( RPointerArray<CSyncMLFilter>& aFilters,

        TSyncMLFilterChangeInfo& aChangeInfo ); 

	virtual const RPointerArray<CSyncMLFilter>& DoSupportedServerFiltersL();

	virtual TBool DoSupportsUserSelectableMatchType() const;

	virtual HBufC* DoGenerateRecordFilterQueryLC( const RPointerArray<CSyncMLFilter>& aFilters,

	    TSyncMLFilterMatchType aMatch, TDes& aFilterMimeType,

	    TSyncMLFilterType& aFilterType, TDesC& aStoreName );

	virtual void DoGenerateFieldFilterQueryL( const RPointerArray<CSyncMLFilter>& aFilters,

	    TDes& aFilterMimeType, RPointerArray<CSmlDataProperty>& aProperties, TDesC& aStoreName );

private:

	/**

    * C++ Constructor.

    */

    CMmsDataProvider();

	/**

    * 2nd-phase Constructor.

    */

    void ConstructL();

	/**

    * Creates new DataStore format.

    */

    CSmlDataStoreFormat* DoOwnStoreFormatL();

private:

	/**

    * String pool, used in store format creation.

    */

    RStringPool iStringPool;

	/**

    * Data store format.

    */

    CSmlDataStoreFormat* iOwnStoreFormat;

	/**

    * Supported filters (none supported at the moment).

    */

    RPointerArray<CSyncMLFilter> iFilters;

	/**

    * File system handle.

    */

    RFs iRFs;

	/**

    * Message store handle.

    */

    CMsvSession* iMsvSession;

	/**

    * Reserved pointer for future extension.

    */

    TAny* iReserved;

    };

#endif // __MMSDATAPROVIDER_H__