// Copyright (c) 2008-2009 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 REQUESTQUEUEONESHOT_H

#define REQUESTQUEUEONESHOT_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

// FORWARD DECLARATIONS

class CMmDataPackage;

class MDispatcherCallback;

// CLASS DECLARATION

/**

 * CRequestQueueOneShot holds a queue of requests which have been completed 

 * synchronously by the Licensee LTSY but  needs completion 

 * asynchronously back up to the Common TSY.

 */

class CRequestQueueOneShot : public CAsyncOneShot 

	{

public:

	virtual ~CRequestQueueOneShot();

	static CRequestQueueOneShot* NewL();

	static CRequestQueueOneShot* NewLC();

	/**

	 * Class which encapsulates data returned from the Licensee LTSY for 

	 * requests which are dealt with synchronously.  The data held in this 

	 * object is returned to the Common TSY.

	 */

	class TIpcDataPackage

		{

	public:

		TIpcDataPackage();

		~TIpcDataPackage();

	public:

		TInt iIpc;

		CMmDataPackage* iDataPackage; 	// When this field is assigned to an object,

										// this TIpcDataPackage object takes ownership

										// of it.

		TInt iResultCode;

		TBool iCleanupOnly; // Indicates to the dispatcher that it should not 

							// complete the request because the TSY is currently 

							// closing down. 

		MDispatcherCallback* iDispatcherCallback;

		TSglQueLink iLink;

		}; // class TIpcDataPackage 

	void QueueRequest(TIpcDataPackage& aIpcDataPackage);

protected:

	virtual void DoCancel();

	virtual void RunL();

private:

	CRequestQueueOneShot();

	void ConstructL();

private:

	TSglQue<TIpcDataPackage> iIpcQueue;

	}; // class CRequestQueueOneShot 

#endif // REQUESTQUEUEONESHOT_H