/*

* 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 

 @released

 @internalTechnology 

*/

#ifndef __UNINSTALLATIONPROCESSOR_H__

#define __UNINSTALLATIONPROCESSOR_H__

#include <e32base.h>

#include <f32file.h>

#include "sisregistryfiledescription.h"

#include "processor.h"

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

#include "registrywrapper.h"

#else

#include "sisregistrywritablesession.h"

#endif

#ifndef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

class CIntegrityServices;

#endif

namespace Swi

{

class CApplication;

class CSecurityManager;

class RSisHelper;

class RUiHandler;

class CHashContainer;

class CPlan;

/**

 * This class processes a CApplication created by the installation planner

 * @released

 * @internalTechnology 

 */

class CUninstallationProcessor : public CProcessor

	{

public:

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

	/**

	 * Creates a new CUninstallationProcessor

	 * @param aPlan              	Installation plan

	 * @param aUiHandler         	Interface for progress notification

	 * @param aStsSession 			Used to rollback installation process

	 * @param aRegistryWrapper		Used for registy operations

	 * @param aObserver			 	SWI Observer sessision handle which is used to log SWI events.

	 * @return                   	New application processor object

	 */

	static CUninstallationProcessor* NewL(const CPlan& aPlan, RUiHandler& aUiHandler, 

			Usif::RStsSession& aStsSession, CRegistryWrapper& aRegistryWrapper,

			RSwiObserverSession& aObserver);

#else

	/**

	 * Creates a new CUninstallationProcessor

	 * @param aPlan              Installation plan

	 * @param aUiHandler         Interface for progress notification

	 * @param aIntegrityServices Used to rollback installation process

	 * @param aObserver			 SWI Observer sessision handle which is used to log SWI events.

	 * @return                   New application processor object

	 */

	static CUninstallationProcessor* NewL(const CPlan& aPlan, RUiHandler& aUiHandler, 

			CIntegrityServices& aIntegrityServices, RSwiObserverSession& aObserver);

#endif

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

	/**

	 * Creates a new CUninstallationProcessor and places it on the cleanup stack

	 * @param aPlan              	Installation plan

	 * @param aUiHandler         	Interface for progress notification

	 * @param aStsSession 			Used to rollback installation process

	 * @param aRegistryWrapper		Used for registy operations

	 * @param aObserver			 	SWI Observer sessision handle which is used to log SWI events.

	 * @return                   	New application processor object on the 

	 *                           	cleanup stack

	 */

	static CUninstallationProcessor* NewLC(const CPlan& aPlan, RUiHandler& aUiHandler, 

			Usif::RStsSession& aStsSession, CRegistryWrapper& aRegistryWrapper,

			RSwiObserverSession& aObserver);

#else

	/**

	 * Creates a new CUninstallationProcessor and places it on the cleanup stack

	 * @param aPlan              Installation plan

	 * @param aUiHandler         Interface for progress notification

	 * @param aIntegrityServices Used to rollback installation process

	 * @param aObserver			 SWI Observer sessision handle which is used to log SWI events.

	 * @return                   New application processor object on the 

	 *                           cleanup stack

	 */

	static CUninstallationProcessor* NewLC(const CPlan& aPlan, RUiHandler& aUiHandler, 

			CIntegrityServices& aIntegrityServices, RSwiObserverSession& aObserver);

#endif

	static CUninstallationProcessor* NewL(CUninstallationProcessor& aProcessor);

	virtual ~CUninstallationProcessor();

private:

	CUninstallationProcessor(const CPlan& aPlan, RUiHandler& aUiHandler, 

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

			Usif::RStsSession& aStsSession, CRegistryWrapper& aRegistryWrapper,

#else

			CIntegrityServices& aIntegrityServices,

#endif

			RSwiObserverSession& aObserver);

	void ConstructL();

	/**

	 * Resets member data ready for processing a new application

	 */

	void Reset();

	// Functions which get called by CProcessor::RunL to do the work

private:

	virtual TBool DoStateInitializeL();

	virtual TBool DoStateProcessEmbeddedL();

	virtual TBool DoStateExtractFilesL();

	virtual TBool DoStateVerifyPathsL();

	virtual TBool DoStateInstallFilesL();

	virtual TBool DoStateDisplayFilesL();

	virtual TBool DoStateUpdateRegistryL();

	virtual TBool DoStateProcessSkipFilesL();

	void DoCancel();

	CUninstallationProcessor& EmbeddedProcessorL();

private:

	/// Processes embedded applications

	CUninstallationProcessor* iEmbeddedProcessor;

	TInt iCurrent;

	};

} // namespace Swi

#endif