/*
* 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: MNcdAsyncOperationObserver
*
*/
#ifndef NCD_ASYNC_OPERATION_OBSERVER_H
#define NCD_ASYNC_OPERATION_OBSERVER_H
/**
* MNcdAsyncOperationObserver
*
* Provides callback function that may be called when an
* asynchronous operation has been completed.
*
* @see CNcdActiveOperationObserver
*/
class MNcdAsyncOperationObserver
{
public:
/**
* This callback function may be called when an asynchronous operation
* has been completed.
*
* @param aError Gives the error code of the completed operation.
*
* @since S60 v3.2
*/
virtual void AsyncOperationComplete( TInt aError ) = 0;
protected:
/**
* The destructor of an interface is set virtual to make sure that
* the destructors of derived classes are called appropriately when the
* object is destroyed.
*
* Destructor is defined as protected to prevent direct use of delete on
* observer interface pointer.
*
* @since S60 v3.2
*/
virtual ~MNcdAsyncOperationObserver() { }
};
#endif // NCD_ASYNC_OPERATION_OBSERVER_H