diff -r 481b3bce574a -r b6488ac24ddc omxil/mmilapi/ilif/inc/milifobserver.h --- a/omxil/mmilapi/ilif/inc/milifobserver.h Mon Aug 23 21:48:44 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,68 +0,0 @@ -// Copyright (c) 2008-2009 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: -// - -/** - @file - @internalTechnology - @prototype -*/ - -#ifndef MILIFOBSERVER_H -#define MILIFOBSERVER_H - -#include -#include "ilifbase.h" - -class CMMFBuffer; -class MILComponentIf; - -/** -IL Component observer class -*/ -class MILIfObserver - { -public: - /** - Callback function to send an event/message to the component observer, i.e. the IL client. - - @param aComponent - The IL Component which sent the callback. - @param aEvent - A reference to the structure that contains the event data. - Any implementation of this function should be able to handle expected and unexpected events. - @return An error code indicating if the function call was successful. KErrNone on success, otherwise - another of the system-wide error codes. - @see TILEvent - */ - virtual TInt MsgFromILComponent(const MILComponentIf* aComponent, const TILEvent& aEvent) = 0; - - /** - Callback function to return to the component port observer the buffer that has been delivered. - The observer is usually the IL client or another port. - - Note that for some implementations this is essentially equivalent to EmptyBufferDone() from input - ports and FillBufferDone() from output ports. - - @param aPort - The interface from the port which sent the callback. - @param aBuffer - The buffer returned by the IL component. - @return An error code indicating if the function call was successful. KErrNone on success, otherwise - another of the system-wide error codes. - */ - virtual TInt BufferDelivered(const MILComponentPortIf* aPort, const CMMFBuffer* aBuffer) = 0; - }; - -#endif // MILIFOBSERVER_H