/*

 * Copyright (c) 2010 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 T_CA_INSTALLER_H

#define T_CA_INSTALLER_H

#include <e32base.h>

#include <f32file.h>

#include <usif/sif/sif.h>

#include <usif/scr/scr.h>

/**

 * Installer 

 *

 */

NONSHARABLE_CLASS(T_CaInstaller): public CActive {

public:

    /**

    * Destructor

    */

    virtual ~T_CaInstaller();

    /**

     * Two-phased constructor. Leaves on failure.

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

     * starts asynchronous uninnstallation of the requested entry

     * @param aFileName name of the file to be installed

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

     * asynchronous installation operation

     * @return The constructed object.

     */

    static T_CaInstaller *NewL( TInt aPriority =

            CActive::EPriorityStandard );

    /**

     * Starts asynchronous installation operation

     * @param aFileName name of the file to be installed

     * @param aComponentId placeholder for component id of the package after

     * instalation is completed.

     */

    void InstallL(const TDesC& aFileName);

        /**

     * Uninstall operation

     * @param aComponentId id of the component to be installed.

     */

    void UninstallL( Usif::TComponentId aComponentId );

    /**

     * Uninstall operation for package(s) based on filename

     * for native and HS widgets.

     * @param aFileName the file name installed with the package(s)

     */ 

    void UninstallL( const TDesC& aFileName );

    /**

     * Uninstall operation for java applications

     * @param aUid ui

     */ 

    void UninstallL(TUint32 aUid);

    /**

     * Find component id for a file name

     * @param aFileName the file name installed with the package(s)

     * @return componentId for a requested file name

     */ 

    Usif::TComponentId GetComponentIdL( const TDesC& aFileName );

    /**

     * Find component id for a uid

     * @param aUid ui

     * @return componentId for a requested uid

     */ 

    Usif::TComponentId GetComponentIdL( TInt32 aUid );

    /**

     * Find component id for CWRT app id

     * @param aAppId CWRT widget app id

     * @return componentId for a requested uid

     */ 

    Usif::TComponentId  GetComponentIdForAppIdL( const TDesC& aAppId);

private:

    // construction

    /**

     * Constructor.

     * Starts active scheduler.

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

     * asynchronous installation operation

     */

    T_CaInstaller(TInt aPriority);

    /**

     * Initializes the object and starts asynchronous uninstallation process.

     */

    void ConstructL();

private:

    // from CActive

    void RunL();

    void DoCancel();

    TInt RunError( TInt aError );

private:

    Usif::COpaqueNamedParams* iArguments;

    Usif::COpaqueNamedParams* iResults;

    RFs iFs;

    Usif::RSoftwareInstall iInstaller;

    Usif::RSoftwareComponentRegistry iSoftwareRegistry;

    CActiveSchedulerWait   iSchedulerWait;

};

#endif // T_CA_INSTALLER_H