1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/boardsupport/emulator/emulatorbsp/inc/displayhandler.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,48 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @publishedPartner
    1.22 + @prototype
    1.23 +*/
    1.24 +
    1.25 +#ifndef __DISPLAYHANDLER_H__
    1.26 +#define __DISPLAYHANDLER_H__
    1.27 +
    1.28 +/**
    1.29 +Display request handler interface
    1.30 +*/
    1.31 +class MDisplayHandler
    1.32 +	{
    1.33 +public:
    1.34 +	/**
    1.35 +	Process a request on this logical channel.
    1.36 +	
    1.37 +	@param aReqNo	Request number:
    1.38 +			== KMaxTInt, a 'DoCancel' message
    1.39 +			>= 0, a 'DoControl' message with function number equal to aReqNo
    1.40 +			< 0, a 'DoRequest' message with function number equal to ~aReqNo
    1.41 +	@param a1		First argument. For DoRequest requests this is a pointer to
    1.42 +			the TRequestStatus.
    1.43 +	@param a2     Second argument. For DoRequest this is a pointer to the 2
    1.44 +			actual TAny* arguments.
    1.45 +	@return	Result. Ignored by device driver framework for DoRequest requests.
    1.46 +	*/
    1.47 +	virtual TInt HandleRequest(TInt aReqNo, TAny* a1, TAny* a2) = 0;
    1.48 +	};
    1.49 +
    1.50 +#endif
    1.51 +