/*

* Copyright (c) 2005-2008 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:  Backup-Restore Queue header file

*

*/

#ifndef _SCONBRQUEUE_H_

#define _SCONBRQUEUE_H_

#include "sconqueue.h"

class CSConTaskQueue;

//============================================================

// Class CSConBackupRestoreQueue declaration

//============================================================	

NONSHARABLE_CLASS ( CSConBackupRestoreQueue ) : public CActive, public CSConTaskQueue

	{

	public:

		/**

		 * Two-phase constructor

		 * @param aMaxObjectSize Max object size

		 * @param aFs aReference to RFs connection.

		 * @return CSConBackupRestoreQueue instance

		 */

		static CSConBackupRestoreQueue* NewL( const TInt aMaxObjectSize, RFs& aFs );

		/**

		 * Destructor

		 * @return CSConBackupRestoreQueue instance

		 */

		~CSConBackupRestoreQueue();

		/**

		 * Adds a new task to queue

		 * @param aNewTask A new task to be added

		 * @param aTaskId The task number

    	 * @return KErrNone if no errors, else system wide error codes

		 */

		TInt AddNewTask( CSConTask*& aNewTask, TInt aTaskId );

		/**

		 * Cancels a task

		 * @param aTask The task number

		 * @param aAllTasks If ETrue => cancel all tasks

		 * @param aStatus The reply

    	 * @return none

		 */	

		void CancelTask( TInt aTask, TBool aAllTasks );

		/**

		 * Resets the queue

    	 * @return none

		 */

		void Reset();

		/**

		 * An address pointer to another queue

		 * @param aTaskQueue The address to another queue

    	 * @return none

		 */

		virtual void QueueAddress( CSConInstallerQueue*& aTaskQueue );

		/**

		 * Returns the task type

		 * @param aTaskId The task number

    	 * @return task type

		 */	

		TSConMethodName GetTaskMethodL( TInt aTaskId );

	private:

		/**

		 * Constructor

		 * @return none

		 */

		CSConBackupRestoreQueue();

		/**

		 * Initializes member data

		 * @param aMaxObjectSize Max object size

		 * @param aFs aReference to RFs connection.

		 * @return none

		 */

		void ConstructL( const TInt aMaxObjectSize, RFs& aFs );

		/**

		 * Polls queue

		 * @return none

		 */

		void PollQueue();

		/**

		 * Starts queue polling

		 * @return none

		 */

		void StartQueue();

		/**

		 * Stops queue polling

		 * @return none

		 */

		void StopQueue();

		/**

		 * Implementation of CActive::DoCancel()

		 * @return none

		 */

		void DoCancel();

		/**

		 * Implementation of CActive::RunL()

		 * @return none

		 */

		void RunL();

	private:

		CSConBackupRestore*			iBackupRestore;

		CSConInstallerQueue*		iInstQueueAddress;

	};

#endif

// End of file