/*

* 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: 

*    This is the definition for CDosEventRcvService class.

*

*/

#ifndef __DOSEVENTRCVSERVICE_H__

#define __DOSEVENTRCVSERVICE_H__

#include "dosservice.h"

class CDosWaitingEvent;

class CEventManagerBase;

/**

* This class represents a listener registerd to receive certain event

* type. It forms part of the CDosEvent list.

*/

NONSHARABLE_CLASS( CDosEventRcvService ) : public CDosService

{

public:

	/**

	* Constructor.

	*/

	CDosEventRcvService();

	/**

	* Destructor.

	*/

	~CDosEventRcvService();

	/**

	* NewL function that creates the object.

	* @param aEventManager A pointer to the DosServer's Event manager.

	* @return A pointer to the newly created object.

	*/

	static CDosEventRcvService* NewL(CEventManagerBase* aEventManager);

	/**

	* This function is used by the Event Manager to inform the listener

	* about an event.

	* @param aEvent The incoming event.

	*/

	void InformListener(CDosWaitingEvent* aEvent);

private:

	/**

	* Symbian two-phased constructor.

	* @param aEventManager A pointer to the DosServer's event manager.

	*/

	void ConstructL(CEventManagerBase* aEventManager);

	/**

	* Processes the message sent by the client.

	* @param aMessage Client-server message.

	* @return Symbian error code.

	*/

	TInt ExecuteMessageL(const RMessage2& aMessage);

public:

	// To be part of the list for an event

	TSglQueLink iLink; 

private:

	//Pointer to the DosServer's event manager.

	CEventManagerBase* iEventManager;

	//Client-Server message.

	RMessage2 iMessage;

	//Event Id.

	TUint iEvent;

	//Informs if the Service is registered in any Event's list.

	TBool iRegistered; 

	//Informs if the Service is ready to process an Event.

	TBool iReady; 

	//Tells what kind of queue does the event have.

	TQueueType iQueue; 

	//A Queue of events waiting to be processed.

	TSglQue<CDosWaitingEvent> iEventQueue; 

	//Used to browse iEventQueue.

    TSglQueIter<CDosWaitingEvent> iQueueIter;

};

#endif // __DOSEVENTRCVSERVICE_H__