/*

 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "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:  ?Description

 *

 */

#ifndef C_CAUSIFUNINSTALLOPERATION_H

#define C_CAUSIFUNINSTALLOPERATION_H

#include <e32base.h>

#include <usif/sif/sif.h>

using namespace Usif;

/**

 * Uninstall Operation

 * Encapsulates the functionality of uninstalling an application.

 *

 *  @lib caclient.lib

 */

NONSHARABLE_CLASS(CCaUsifUninstallOperation): public CActive {

public:

    /**

    * Destructor

    */

    virtual ~CCaUsifUninstallOperation();

    /**

     * Two-phased constructor. Leaves on failure.

     * Allocates memory for and constructs an uninstaller object. After that

     * starts asynchronous uninnstallation of the requested entry

     * @param aEntry entry to be uninstalled

     * @param aPriority priority of the active scheduler responsible for handling

     * asynchronous installation operation

     * @return The constructed object.

     */

    static CCaUsifUninstallOperation *NewL(TComponentId, TInt aPriority =

            CActive::EPriorityStandard);

private:

    // construction

    /**

     * Constructor.

     * Starts active scheduler.

     * @param aEntry entry to be uninstalle

     * @param aPriority priority of the active scheduler responsible for handling

     * asynchronous installation operation

     */

    CCaUsifUninstallOperation(TInt aPriority);

    /**

     * Initializes the object and starts asynchronous uninstallation process.

     * @param aEntry entry to be uninstalle

     * asynchronous installation operation

     */

    void ConstructL(TComponentId aComponentId);

private:

    // from CActive

    void RunL();

    void DoCancel();

    TInt RunError(TInt aError);

private:

    COpaqueNamedParams* iArguments;

    COpaqueNamedParams* iResults;

    RSoftwareInstall iUninstaller;

};

#endif // C_CAUSIFUNINSTALLOPERATION_H