/*

* Copyright (c) 1997-2009 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: 

* CPKIXChainBuilder class implementation

*

*/

/**

 @file 

 @internalTechnology

*/

#ifndef __PKIXCHAINBUILDER_H__

#define __PKIXCHAINBUILDER_H__

#include <e32base.h>

#include "pkixcerts.h"

class CPKIXCertChainAO;

class CPKIXChainBuilder : public CActive

	{

	friend class CPKIXCertChainAO;

public:

	static CPKIXChainBuilder* NewL();

	static CPKIXChainBuilder* NewLC();

	~CPKIXChainBuilder();

public:

	void AddSourceL(MPKIXCertSource* aSource);//takes ownership of aSource...

	void AddIssuer(TInt& aNumberOfCertsAdded, TBool& aResult, CArrayPtrFlat<CX509Certificate>& aChain, 

		TRequestStatus& aStatus);

private:

	CPKIXChainBuilder();

	void ConstructL();

	TBool ResolveIssuersL(CArrayPtr<CX509Certificate>& aChain, 

		const RPointerArray<CX509Certificate>& aCandidates) const;

private:

	void RunL();

	void DoCancel();

	TInt RunError(TInt aError);

private:

	enum TState

		{

		EIdle = 0,

		EAddCandidate,

		EFinished

		};

private:

	RMPointerArray<MPKIXCertSource> iSources;

	/**

	 * We don't own that object, it's only a pointer to a certificate

	 * in the CX509CertChain from which CPKIXCertChainBase derives.

	 */

	CX509Certificate* iSubject;

	TRequestStatus* iOriginalRequestStatus;

	TBool* iResult;

	CArrayPtrFlat<CX509Certificate>* iChain;

	TInt iIndex;

	TState iState;

	RPointerArray<CX509Certificate> iCandidates;

	TInt* iNumberOfCertsAdded;

	};

#endif