/*

* 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: 

* Definition of the CUninstallationPlanner

*

*/

/**

 @file

 @internalTechnology

 @released

*/

#ifndef __UNINSTALLATIONPLANNER_H__

#define __UNINSTALLATIONPLANNER_H__

#include <e32std.h>

#include "planner.h"

namespace Swi 

{

class RUiHandler;

class CInstallationResult;

class CPlan;

/**

 * This class plans the uninstallation. It asks the user all the required 

 * questions (regarding dependencies and files/apps in use) and builds a list 

 * of application and files that need to be uninstalled, without actually 

 * changing the state of the device.

 *

 * @released

 * @internalTechnology

 */

class CUninstallationPlanner : public CPlanner

	{

public:

	/**

	 * This creates a new CUninstallationPlanner object.

	 * @param aUiHandler An implementation of the UI

	 * @param aResult    Result of uninstallation

	 * @return           New object

	 */

	static CUninstallationPlanner* NewL(RUiHandler& aUiHandler, CInstallationResult& aResult);

	/**

	 * This creates a new CUninstallationPlanner object.

	 * @param aUiHandler An implementation of the UI

	 * @param aResult    Result of installation

	 * @return           New object on the cleanup stack

	 */

	static CUninstallationPlanner* NewLC(RUiHandler& aUiHandler, CInstallationResult& aResult);

	/**

	 * The destructor.

	 */

	virtual ~CUninstallationPlanner(void);

public:

	/**

	 * Kicks off the uninstallation planning

	 *

	 * @param aPackage The package to uninstall.

	 */

	void PlanUninstallationL(CSisRegistryPackage& aPackage);

	/**

	 * @return The final progress bar value from the plan.

	 */

	TInt32 FinalProgressBarValue() const;

	/**

	 * Produces an uninstallation plan

	 * @return Uninstallation plan object

	 */

//	CUninstallationPlan* GetPlanL();

private:

	/**

	 * The constructor.

	 * @param aInstallerUI         UID of installation

	 * @param aInstallationResult  Result of installation

	 */

	CUninstallationPlanner(RUiHandler& aInstallerUI, CInstallationResult& aInstallationResult);

	/** 

	 * Second phase constructor.

	 * Builds the CAppInfo structure.

	 */

	void ConstructL();

private:

	/**

	 * Uninstalls a package, and packages which are embedded by this package.

	 *

	 * @param aUid UID of the package to uninstall.

	 * @param aTopLevelPackage ETrue if this is the top level package in the embedding

	 *									chain, EFalse otherwise.

	 */

//	void UninstallPackageL(TUid aUid, TBool aTopLevelPackage, TInt& aFileRemovalCount);

private:

	/// The uninstallation plan that will be populated by this class

	CPlan* iPlan;

	};

} // namespace Swi 

#endif