// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

// 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:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description: Contains private Domain Member interface internal to the Kernel

// & Hardware Services package.

//

// WARNING: This file contains some APIs which are internal and are subject

//          to change without notice. Such APIs should therefore not be used

//          outside the Kernel & Hardware Services package.

//

#ifndef __DOMAIN_MEMBER_PRIVATE_H__

#define __DOMAIN_MEMBER_PRIVATE_H__

#include <e32base.h>

class RDmDomain;

class CDmDomainKeepAlive;

/**

This active object will, once activated, repeatedly attempt to defer

a transition deadline from the Domain Manager.

It will stop once an attempt to defer fails eg. because deferral

was cancelled or the transition was acknowledged.

*/

class CDmKeepAlive : public CActive

	{

public:

	CDmKeepAlive(RDmDomain& aDomain, CDmDomainKeepAlive& aOwnerActiveObject);

	~CDmKeepAlive();

	/**

	Request deadline deferral for the last transition

	notification

	*/

	void DeferNotification();

	void NotifyOfAcknowledgment();

protected:

	/**

	Re-call DeferNotification(), unless the previous

	call completed with an error.

	*/

	void RunL();

	/**

	Handle errors thrown from RunL() - call HandleDeferralError()

	hook to permit client to handle it.

	*/

	TInt RunError(TInt aError);

	void DoCancel();

private:

	RDmDomain& iDomain;

	CDmDomainKeepAlive& iOwnerActiveObject;

	TBool iCeaseDeferral;

	};

#endif