/*

* 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: 

*    Implementation for the RDosEventRcv class.

*

*/

#include "dosclientserver.h"

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

// RDosEventRcv Constructor

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

//  

RDosEventRcv::RDosEventRcv()

{

	iParamContent = NULL;

	iContentPtr = NULL;

	iRegistered = EFalse;

	iQueue = EQueue;

}

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

// RDosEventRcv Destructor

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

//  

RDosEventRcv::~RDosEventRcv()

{

	if(iParamContent) delete iParamContent;

	if(iContentPtr) delete iContentPtr;

}

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

// RDosEventRcv::Open

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

//  

TInt RDosEventRcv::Open(RDosServer& aServer)

{

	return CreateSubSession(aServer,EDosCreateEventRcvSubSession, TIpcArgs(TIpcArgs::ENothing, TIpcArgs::ENothing, KAutoComplete));

}

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

// RDosEventRcv::Register

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

//  

TInt RDosEventRcv::Register(TInt aEvent,TInt aParamSize,TQueueType aQueue)

{

	if(iRegistered)

			return KErrAlreadyExists;

	if(iParamContent)

	{

	   delete iParamContent;

	}

	iParamContent = HBufC8::New(aParamSize);

	if(iParamContent)

	{

		if(iContentPtr)

		{

		   delete iContentPtr;

		}

		iContentPtr = new TPtr8(iParamContent->Des());

		if(iContentPtr)

		{

			TInt err = SendReceive(ERegisterEvent, TIpcArgs(aEvent, TIpcArgs::ENothing, KAutoComplete));

			if(!err) 

			{

				iRegistered = ETrue;

				iQueue = aQueue;

				iDosEvent = aEvent;

			}

			return err;

		}

	}

	return KErrNoMemory;

}

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

// RDosEventRcv::UnRegister

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

//  

void RDosEventRcv::UnRegister()

{

	if(iRegistered) 

	{

		TInt err = SendReceive(EUnRegisterEvent, TIpcArgs(TIpcArgs::ENothing, TIpcArgs::ENothing, KAutoComplete));

		if(!err)

		{

			delete iContentPtr;

			iContentPtr=NULL;

			delete iParamContent;

			iParamContent = NULL;

			iRegistered = EFalse;

		}

	}

}

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

// RDosEventRcv::WaitEvent

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

//  

TInt RDosEventRcv::WaitEvent(TRequestStatus& aStatus) const

{

	if(iRegistered)

	{

		SendReceive(EWaitEvent, TIpcArgs(iQueue, iContentPtr, 0), aStatus);

		return KErrNone;

	}

	return KErrAbort; //It can't wait when it's not registered.

}

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

// RDosEventRcv::CancelWaitEvent

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

//  

TInt RDosEventRcv::CancelWaitEvent() const

{

	if(iRegistered)

	{

		SendReceive(ECancelWaitEvent, TIpcArgs(TIpcArgs::ENothing, TIpcArgs::ENothing, KAutoComplete));

		return KErrNone;

	}

	return KErrAbort; //It can't cancel wait when it's not registered.

}