/*

 * 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