/*

* Copyright (c) 2005 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:  DS contacts dataprovider.

*

*/

#ifndef __NSMLCONTACTSDATAPROVIDER_H__

#define __NSMLCONTACTSDATAPROVIDER_H__

// INCLUDES

#include <f32file.h>

#include <SmlDataProvider.h>

#include "NSmlContactsDataStore.h"

// CLASS DECLARATION

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

//  CNSmlContactsDataProvider

//

//  @lib nsmlcontactsdataprovider.lib

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

class CNSmlContactsDataProvider : public CSmlDataProvider 

	{

	public:

		/**

		* Two-phased constructor.

		*/

		static CNSmlContactsDataProvider* NewL();

		/**

		* Destructor.

		*/

		virtual ~CNSmlContactsDataProvider();

	private:

		/**

		* Two-phased constructor.

		*/

		static CNSmlContactsDataProvider* NewLC();

		/**

		* This method handles framework events.

		* @param					Frameworks event.

		* @param	aParam1			First parameter.

		* @param	aParam2			Second parameter.

		*/

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

		/**

		* Check if operation is supported by dataprovider.

		* @param	aOpId			Operations type.

		* @return	ETrue if the operation is supported.

		*/

		TBool DoSupportsOperation(TUid aOpId) const;

		/**

		* Gets dataproviders own StoreFormat.

		*/

		const CSmlDataStoreFormat& DoStoreFormatL();

		/**

		* Lists all contacts databases on client.

		* @return List of contact databases.

		*/

		CDesCArray* DoListStoresLC();

		/**

		* Gets default storename on client.

		* @return Default storename.

		*/

		const TDesC& DoDefaultStoreL();

		/**

		* Constructs new instance of datastore.

		* @return Newly created instance.

		*/

		CSmlDataStore* DoNewStoreInstanceLC();

		/**

		This method returns the set of filters that can be used to send to the SyncML server.

		* @return New filters.

		*/

		const RPointerArray<CSyncMLFilter>& DoSupportedServerFiltersL();

		/**

		This method checks what filters are supported by server.

		@param	aServerDataStoreFormat	The store format of server

		@param	aFilters				The array that includes filters

		@param	aChangeInfo				The change information about changes that data provider did

		*/

		void DoCheckSupportedServerFiltersL(const CSmlDataStoreFormat& aServerDataStoreFormat, RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo);

		/**

		This method updates dynamic filters up-to-date.

		@param	aFilters				The array that includes filters

		@param	aChangeInfo				The change information about changes that data provider did

		*/

		void DoCheckServerFiltersL(RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterChangeInfo& aChangeInfo);

		/**

		This method generates a record filter query to be sent to the SyncML server for the provided filters.

		@param	aFilters			The filters to be used for the query generation

		@param	aMatch				The filter match type to be used

		@param	aFilterMimeType		The mime type of the returned filter query

		@param	TSyncMLFilterType 	The filter type of the returned filter query

		@param	aStoreName			The name of used store

		@return						The record filter query to be sent to the SyncML server - empty if no record filter involved

									for this specific filter

		*/

		HBufC* DoGenerateRecordFilterQueryLC(const RPointerArray<CSyncMLFilter>& aFilters, TSyncMLFilterMatchType aMatch, TDes& aFilterMimeType, TSyncMLFilterType& aFilterType, TDesC& aStoreName);

		/**

		This method generates a field filter query to be sent to the SyncML server for the provided filters.

		@param	aFilters		The filters to be used for the query generation

		@param	aFilterMimeType		The mime type of the returned filter query

		@param	aProperties		The field filter query to be sent to the SyncML server - empty if no field filter involved

								for this specific filter

		@param  aStoreName		The name of used store

		*/

		void DoGenerateFieldFilterQueryL(const RPointerArray<CSyncMLFilter>& aFilters, TDes& aFilterMimeType, RPointerArray<CSmlDataProperty>& aProperties, TDesC& aStoreName);

		/**

		* C++ constructor.

		*/

		CNSmlContactsDataProvider();

		/**

		* 2nd phase constructor.

		*/

		void ConstructL();

	private: // data

		CNSmlContactsDataStore* iContactsDataStore; 

		RPointerArray<CSyncMLFilter> iFilterArray;

		RFs iRfs;

		RStringPool iStringPool;

		CSmlDataStoreFormat* iStoreFormat;

	};

#endif // __NSMLCONTACTSDATAPROVIDER_H__

// End of File