/*

 * 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:  Sis package installation event listener

 *

 */

#ifndef C_CAWIDGETSCANNERINSTALLNOTIFIER_H

#define C_CAWIDGETSCANNERINSTALLNOTIFIER_H

#include <e32base.h>

#include <e32property.h>

class CCaWidgetScannerPlugin;

/**

 *  Central Repository notifier.

 *

 *  @since S60 S60 v5.x

 */

class CCaWidgetScannerInstallNotifier : public CActive

    {

    /**

     * Enum defining the purpouse of the installation event.

     */

    enum TInstOp

        {

        EInstOpNone = 0x00000000,

        EInstOpInstall = 0x00000001,

        EInstOpUninstall = 0x00000002,

        EInstOpRestore = 0x00000004

        };

    /**

     * Enum defining the exit status of the installation event.

     */

    enum TInstOpStatus

        {

        EInstOpStatusNone = 0x00000000,

        EInstOpStatusSuccess = 0x00000100,

        EInstOpStatusAborted = 0x00000200

        };

public:

    /**

     * Creates an instance of CCaWidetScannerInstallNotifier implementation.

     * @param aCallBack Reference to notifier interface.

     * @param aCategory Package uid.

     * @param aKey Key for central repository.

     */

    static CCaWidgetScannerInstallNotifier* NewL(

            CCaWidgetScannerPlugin* aCallback, TUid aCategory, TUint aKey );

    /**

     * Destructor.

     */

    virtual ~CCaWidgetScannerInstallNotifier();

private:

    /**

     * Constructor.

     * @param aCallBack Reference to notifier interface.

     * @param aCategory Package uid.

     * @param aKey Key for central repository.

     */

    CCaWidgetScannerInstallNotifier( CCaWidgetScannerPlugin* aCallback,

            TUid aCategory, TUint aKey );

    /**

     * Symbian 2nd phase constructor.

     */

    void ConstructL();

    /**

     * From CActive.

     */

    void DoCancel();

    /**

     * From CActive.

     */

    void RunL();

    /**

     * From CActive.

     */

    TInt RunError( TInt aError );

private:

    /**

     * User side interface to Publish & Subscribe.

     * Own.

     */

    RProperty iProperty;

    /**

     * Interface for notifying changes in SWI.

     * Not own.

     */

    CCaWidgetScannerPlugin* iCallback;

    /**

     * Category uid.

     * Own.

     */

    TUid iCategory;

    /**

     * Key identifier.

     * Own.

     */

    TUint iKey;

    /**

     * flag provides workaround for a problem with missing notifications after install

     *  

     */

    TBool iHackFlag; // TODO find another solution

    };

#endif // C_CAWIDGETSCANNERINSTALLNOTIFIER_H

// End of File