/*

* Copyright (c) 2004-2009 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: 

* CSisRegistryDependency declaration

*

*/

/**

 @file 

 @released

 @publishedPartner

*/

#ifndef __SISREGISTRYDEPENDENCY_H__

#define __SISREGISTRYDEPENDENCY_H__

#include <e32base.h>

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

#include <usif/scr/scr.h>

#include "installtypes.h"

#endif

namespace Swi

{

class CSisRegistryDependency;

namespace Sis

	{

	class CDependency;

	}

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

// Forward declare friend functions

namespace ScrHelperUtil

	{

	void WriteToScrL(Usif::RSoftwareComponentRegistry& aScrSession, const TUid& aCompUid, const TDesC& aCompName, Sis::TInstallType aInstallType, CSisRegistryDependency& aRegistryDependency);

	void ReadFromScrL(Usif::CVersionedComponentId& aVersionedSupplierCompId, CSisRegistryDependency*& aRegistryDependency);

	}

#endif

class CSisRegistryDependency : public CBase

	{

public:

	/**

	 * Creates a new CSisRegistryDependency object based on a Sis::CDependency

	 */

	IMPORT_C static CSisRegistryDependency* NewL(const Sis::CDependency& aDependency);

	/**

	 * Creates a new CSisRegistryDependency object on the cleanup stack.

	 */

	IMPORT_C static CSisRegistryDependency* NewLC(const Sis::CDependency& aDependency);

	/**

	 * Creates a new CSisRegistryFileDescription from a stream

	 */

	IMPORT_C static CSisRegistryDependency* NewL(RReadStream& aStream);

	/**

	 * Creates a new CSisRegistryFileDescription from a stream on the cleanup stack

	 */

	IMPORT_C static CSisRegistryDependency* NewLC(RReadStream& aStream);

	/**

	 * Creates a new CSisRegistryFileDescription from a CSisRegistryDependency object

	 */

	IMPORT_C static CSisRegistryDependency* NewL(const CSisRegistryDependency& aDependency);

	/**

	 * Creates a new CSisRegistryFileDescription from a CSisRegistryDependency object and places the created object on the cleanup stack

	 */

	IMPORT_C static CSisRegistryDependency* NewLC(const CSisRegistryDependency& aDependency);

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

	/**

	 * Creates a new CSisRegistryFileDescription from a CSisRegistryDependency object

	 */

	IMPORT_C static CSisRegistryDependency* NewL(const TUid aUid, const TVersion aFromVersion, const TVersion aToVersion);

	/**

	 * Creates a new CSisRegistryFileDescription from a CSisRegistryDependency object and places the created object on the cleanup stack

	 */

	IMPORT_C static CSisRegistryDependency* NewLC(const TUid aUid, const TVersion aFromVersion, const TVersion aToVersion);

#endif

	IMPORT_C void InternalizeL(RReadStream& aStream);

	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;

	TUid Uid() const;

	TVersion FromVersion() const;

	TVersion ToVersion() const;

	IMPORT_C TBool IsCompatible(const TVersion& aVersion) const;

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

public: // Friend Functions

	friend void ScrHelperUtil::WriteToScrL(Usif::RSoftwareComponentRegistry& aScrSession, const TUid& aCompUid, const TDesC& aCompName, Sis::TInstallType aInstallType, CSisRegistryDependency& aRegistryDependency);

	friend void ScrHelperUtil::ReadFromScrL(Usif::CVersionedComponentId& aVersionedSupplierCompId, CSisRegistryDependency*& aRegistryDependency);

#endif

private:

	/**

	 * The constructor.

	 */

	CSisRegistryDependency();

	/**

	 * The second-phase constructor.

	 * @param aDependency The Sis::CDependency dependency object reference argument.

	 */

	void ConstructL(const Sis::CDependency& aDependency);

	/**

	 * The second-phase constructor.

	 * @param aDependency The CSisRegistryDependency to read the file description from.

	 */	

	void ConstructL(const CSisRegistryDependency& aDependency);

	/**

	 * The second-phase constructor.

	 * @param aStream The stream to read the file description from.

	 */

	void ConstructL(RReadStream& aStream);

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

 	void ConstructL(const TUid aUid, const TVersion aFromVersion, const TVersion aToVersion);

#endif

private:

	TUid iUid;

	TVersion iFromVersion;

	TVersion iToVersion;	

	};

// inline functions from CSisRegistryDependency

inline TUid CSisRegistryDependency::Uid() const

	{

	return iUid;

	}

inline TVersion CSisRegistryDependency::FromVersion() const

	{

	return iFromVersion;

	}

inline TVersion CSisRegistryDependency::ToVersion() const

	{

	return iToVersion;

	}

} //namespace Swi

#endif