/*

* Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

* Kanrikogaku Kenkyusho, Ltd. - Initial contribution

*

* Contributors:

*

* Description:  

*

*/

// Protection against nested includes

#ifndef CDIRECTPRINTSERVER_H

#define CDIRECTPRINTSERVER_H

// System include files

#include <e32base.h>

#include <fbs.h>

class CDirectPrintBody;

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

// Server's policy here

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

// Total number of ranges

const TUint KDirectPrintRangeCount = 2;

// Definition of the ranges of IPC numbers

const TInt KDirectPrintRanges[KDirectPrintRangeCount] = 

    {

    0,	// implemented 0-38

    41 	// non implemented function end of range check ; ENotSupported        

    }; 

// Policy to implement for each of the above ranges        

const TUint8 KDirectPrintElementsIndex[KDirectPrintRangeCount] = 

    {

    CPolicyServer::EAlwaysPass,		// applies to 0th range        

    CPolicyServer::ENotSupported  	// applies to 1st range (out of range IPC)

    };

// Package all the above together into a policy

const CPolicyServer::TPolicy KDirectPrintPolicy =

    {

    CPolicyServer::EAlwaysPass, 	// specifies all connect attempts should pass

    KDirectPrintRangeCount,			// number of ranges                                   

    KDirectPrintRanges,				// ranges array

    KDirectPrintElementsIndex,		// elements<->ranges index

    NULL,							// array of elements

    };

class CDirectPrintServer : public CPolicyServer

	{

	public:

		/**

		 *	2-phase constructor

		 *

		 *	@return new object. The object is left on the cleanup stack

		 */

		static CDirectPrintServer* NewLC();

		/**

		 *	Destructor

		 */

		~CDirectPrintServer();

		/**

		 *	Increase session counter

		 */

		void AddSession();

		/**

		 *	Decrease session counter. If the counter is decreased to 0, the

		 *	server is shut down

		 */

		void RemoveSession();

		/**

		 *	Session count getter

		 *

		 *	@return session count

		 */

		TInt SessionCount() const;

		/**

		 *	Reserve printing engine to the session

		 *

		 *	@param aSession session that claims the printing engine

		 *	@return error code

		 */

		TInt ReserveEngine( const CSession2* aSession );

		/**

		 *	Release printing engine by the session

		 *

		 *	@param aSession session that wants to release the printing engine

		 *	@return error code

		 */

		TInt ReleaseEngine( const CSession2* aSession );

		/**

		 *	Printing engine getter

		 *

		 *	@return printing engine

		 */

		CDirectPrintBody& Engine() const;

	private:

		TInt RunError( TInt aError );

		CDirectPrintServer();

		void ConstructL();		

		CSession2* NewSessionL( const TVersion& aVersion, const RMessage2& aMessage ) const;		

	private:

		TInt iConnsCount;

		const CSession2* iEngineHolder;

		CDirectPrintBody* iEngine;

		RFbsSession iFbs;

	};

#endif // CDIRECTPRINTSERVER_H

//  End of File