/*

* Copyright (c) 2007 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:  This class is an abstract interface used by the USB cable test

*                engine class (CDiagUSBCableTestEngine) to report result to the 

*                plug-in class (CDiagUSBCableTestPlugin)    

*

*/

#ifndef DIAGUSBCALLBACKINTERFACE_H

#define DIAGUSBCALLBACKINTERFACE_H

// INCLUDES

#include <DiagResultsDatabaseItem.h>

// CLASS DECLARATION

/**

* MDiagUSBTestCallBackInterface

*

* This is an abstract interface class used by the USB cable test

* engine class (CDiagUSBCableTestEngine) to report result of the test

* to the plug-in class (CDiagUSBCableTestPlugin) and invoke few other callback functions

*/

class MDiagUSBTestCallBackInterface

    {

public:

    /**

    * The engine class uses this callback interface to report result back to the plugin

    * class

    */

    virtual void ReportTestResultL(CDiagResultsDatabaseItem::TResult aResult) = 0;

    /**

    * The engine class uses this callback on the plugin class to ask the user if the entire test

    * execution needs to be cancelled.

    * @param aUserResponse : The user response is returned in this reference argument.

    *      

    * @return ETrue     : The dialog was dismissed by the user.

    *         EFalse    : The dialog was dismissed internally.

    */    

    virtual TBool AskCancelExecutionL(TInt& aUserResponse,TInt aOption) = 0;  

    };    

#endif // DIAGUSBCALLBACKINTERFACE_H