/*

 * 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_CAUNINSTALLOPERATION_H

#define C_CAUNINSTALLOPERATION_H

#include <e32base.h>

#include <SWInstApi.h>

/**

 * Uninstall CMenuOperation

 * Encapsulates the functionality of uninstalling an application.

 *

 *  @lib caclient.lib

 */

NONSHARABLE_CLASS(CCaUninstallOperation): public CActive {

public:

    /**

    * Destructor

    */

    virtual ~CCaUninstallOperation();

    /**

     * 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 CCaUninstallOperation *NewL(CCaInnerEntry &aEntry,

    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

     */

    CCaUninstallOperation(CCaInnerEntry &aEntry, TInt aPriority);

    /**

     * Initializes the object and starts asynchronous uninstallation process.

     * @param aEntry entry to be uninstalle

     * asynchronous installation operation

     */

    void ConstructL(CCaInnerEntry &aEntry);

    /**

     * Retrieves package information for requested application uid

     * @param aAppUid application uid

       @param aMimeType placeholder for resulting mime type of the package

     * @param aPackageUid placeholder for resulting package uid of the application 

     */

    void AppInfoL(const TUid &aAppUid, TPtrC8 &aMimeType, TUid &aPackageUid);

    /**

     * Retrieves package uid 

     * @param aAppFullName application full name

       @param aPackageUid placeholder for resulting package uid of the application

       @return true if package uid was found

     */

    TBool GetInstallPkgUidL(const TDesC &aAppFullName, TUid &aPackageUid);

private:

    // from CActive

    void RunL();

    void DoCancel();

    TInt RunError(TInt aError);

private:

    CCaInnerEntry &iEntry;

    SwiUI::RSWInstLauncher iUninstaller;

    TInt iId;

};

#endif // C_CAUNINSTALLOPERATION_H