/*

* 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: 

*

*/

#ifndef CSEARCHSERVERSUBSESSION_H_

#define CSEARCHSERVERSUBSESSION_H_

#include "CCPixAsyncronizer.h"

// FORWARD DECLARATIONS

class CSearchServerSession;

class CCPixIdxDb;

class CCPixAbstractSearcher;

class CSearchDocument;

class CSearchServerSubSession : public CObject, public MCPixAsyncronizerObserver

{

public:

	static CSearchServerSubSession* NewL(CSearchServerSession* aSession);

	static CSearchServerSubSession* NewLC(CSearchServerSession* aSession);

	virtual ~CSearchServerSubSession();

public:	

	/**

	 * OpenSearchableL 

	 * Opens CPixSearcher, if aSearchableId identifies search domain,

	 * or CPixDiscoverer, if aSearchableId identifies discovery 

	 * service.

	 * 

	 * @param aSearchableId either search domain or discovery service

	 * @param aDefaultfield in case aSearchableId defines search domain, 

	 *                      this field is used as searchers default id. 

	 *                      In case discoverer is opened, this parameter is 

	 *                      ignored   

	 */

	void OpenSearcherL(const TDesC& aSearchableId, const TDesC& aDefaultField); 

	/**

	 * OpenDatabaseL.

	 * Opens database 

	 * @param aMessage Message from client.

	 */

	void OpenDatabaseL(const RMessage2& aMessage);

	/**

	 * SetAnalyzerL.

	 * Sets the analyzer to be used with indexing and searchign 

	 * @param aMessage Message from client.

	 */

	void SetAnalyzerL(const RMessage2& aMessage);

	/**

	 * SetQueryParserL.

	 * TODO

	 */

	void SetQueryParserL(const RMessage2& aMessage);

	/**

	 * SearchL.

	 * Issues an OpenC search.

	 * @param aMessage Message from client.

	 */

	void SearchL(const RMessage2& aMessage);

	/**

	 * SearchCompleteL.

	 * Completes an OpenC search

	 */

	void SearchCompleteL(const RMessage2& aMessage);

	/**

	 * GetDocumentL.

	 * Client gets the next documents (result) when SearchL has completed

	 * @param aMessage Message from client.

	 */

	void GetDocumentL(const RMessage2& aMessage);

	/**

	 * GetDocumentCompleteL.

	 * Completes an previous call to GetDocumentL 

	 */

	void GetDocumentCompleteL(const RMessage2& aMessage);

	/**

	 * GetDocumentObjectL.

	 * Client gets the object after GetDocumentL() has completed 

	 * @param aMessage Message from client.

	 */

	void GetDocumentObjectL(const RMessage2& aMessage);

	/**

	 * AddL.

	 * Adds document to index

	 * @param aMessage Message from client.

	 */

	void AddL(const RMessage2& aMessage);

	/*

	 * AddCompleteL.

	 * Completes an previous call to AddL 

	 */

	void AddCompleteL(const RMessage2& aMessage);

	/**

	 * UpdateL.

	 * Updates document to index

	 * @param aMessage Message from client.

	 */

	void UpdateL(const RMessage2& aMessage);

	/*

	 * UpdateCompleteL.

	 * Completes an previous call to UpdateL 

	 */

	void UpdateCompleteL(const RMessage2& aMessage);

	/**

	 * DeleteL.

	 * Deletes document from index

	 * @param aMessage Message from client.

	 */

	void DeleteL(const RMessage2& aMessage);

	/*

	 * DeleteCompleteL.

	 * Completes an previous call to DeleteL 

	 */

	void DeleteCompleteL(const RMessage2& aMessage);

	/*

	 * FlushCompleteL.

	 * Completes an previous call to FlushL 

	 */

	void FlushCompleteL(const RMessage2& aMessage);

	/**

	 * ResetL.

	 * Deletes all documents from 

	 * @param aMessage Message from client.

	 */

	void ResetL(const RMessage2& aMessage);

	/**

	 * FlushL.

	 * Issues CPix flush

	 * @param aMessage Message from client.

	 */

	void FlushL(const RMessage2& aMessage);

	/**

	 * CancelAll.

	 * Client calls this to cancel any asyncronous call.

	 */

	void CancelAll(const RMessage2& aMessage);

protected:

	void HandleAsyncronizerComplete(TCPixTaskType aType, TInt aError, const RMessage2& aMessage);

private:

	void ConstructL();

	CSearchServerSubSession(CSearchServerSession* aSession);	

	void LimitExcerptToMaxLengthL(CSearchDocument* aSearchDocument);

private:

	CCPixIdxDb* iIndexDb;

	CCPixAbstractSearcher* iSearchDb;

	CSearchDocument* iNextDocument;

	CSearchServerSession* iSession;

};

#endif /* CSEARCHSERVERSUBSESSION_H_ */