/*

* 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: 

*

*/

/**

 @file 

 @internalComponent 

*/

#ifndef __RESTOREPROCESSOR_H__

#define __RESTOREPROCESSOR_H__

#include <e32base.h>

#include "processor.h"

#include "securitymanager.h"

#include "installationprocessor.h"

#include "restorecontroller.h"

#include "sisregistrywritablesession.h"

#ifndef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

class CIntegrityServices;

#endif

namespace Swi 

	{

	class CPlan;

	/**

	 * State machine to handle securely restoring files the user

	 * has requested to be restored, and writing registry entries for

	 * same.

	 *

	 * @internalComponent

	 * @released

	 */

	class CRestoreProcessor : public CActive

		{

	protected:

		enum TProcessingState

			{

			EInitialize,

			EProcessFiles,

			EVerifyPaths,

			EInstallFiles,

			EUpdateRegistry,

			EFinished,

			ECurrentState=128, // Used to change to the current state

		};

	public:

		static CRestoreProcessor* NewL(const CPlan& aPlan, const TDesC8& aControllerBuffer, 

			CSecurityManager& aSecurityManager,	

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

#else

			CIntegrityServices& aIntegrityServices,

#endif

			const RPointerArray<CRestoreController::CSisCertificateVerifier>& aVerifiers,

			RArray<TUid>& aSids, RSwiObserverSession& aObserver);

		static CRestoreProcessor* NewLC(const CPlan& aPlan, const TDesC8& aControllerBuffer,

			CSecurityManager& aSecurityManager, 

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

#else

			CIntegrityServices& aIntegrityServices,

#endif

			const RPointerArray<CRestoreController::CSisCertificateVerifier>& aVerifiers,

			RArray<TUid>& aSids, RSwiObserverSession& aObserver);

		~CRestoreProcessor();

		void ProcessPlanL(TRequestStatus& aClientStatus);		

	protected:

		virtual TInt RunError(TInt aError);

		virtual void DoCancel();

		virtual void RunL();

		void SwitchState(TProcessingState aNextState);

	private:

		CRestoreProcessor(const CPlan& aPlan, const TDesC8& aControllerBuffer,

			CSecurityManager& aSecurityManager,	

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

#else

			CIntegrityServices& aIntegrityServices,

#endif

			const RPointerArray<CRestoreController::CSisCertificateVerifier>& aVerifiers,

			RSwiObserverSession& aObserver);

		void ConstructL(RArray<TUid>& aSids);

	private:

		// Processor states, called by the state machine

		TBool DoStateInitializeL();

		TBool DoStateInstallFilesL();

		TBool DoStateVerifyPathsL();

		TBool DoStateUpdateRegistryL();

		TBool DoStateProcessFilesL();

		void DoStateFinishedL();

		void InstallFileL(const CSisRegistryFileDescription& aRegistryFileDescription);

		void ExtractHashL(const CSisRegistryFileDescription& aFileToProcess);

	private:		

		const RPointerArray<CRestoreController::CSisCertificateVerifier>& iVerifiers; // verifiers for the sis controllers being restored

		CSecurityManager& iSecurityManager; // Security manager for this restore session

		TInt iCurrent; // current index of a file to be processed

		RArray<TUid> iSids; // SIDs of executables installed

		RFs iFs;

		const TDesC8& iControllerBuffer;	/// Reference to the raw controller buffer for iPlan

		const CPlan& iPlan;

		const CApplication* iApplication;

		TRequestStatus* iClientStatus;

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

		Usif::RStsSession& iStsSession;

		RSisRegistryWritableSession& iRegistrySession;

		/** The list of software types to be registered found in the XML registration file. */

#else

		CIntegrityServices& iIntegrityServices;

#endif

		TProcessingState iState;

		CFileMan* iFileMan;

		/// The drive on which to store device integrity data (hashes, registry etc) 

		TChar iSystemDriveChar;

	}

#endif //__RESTOREPROCESSOR_H__