voicerecorder/RecViewSrc/MVRKeyObserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 09 Jun 2010 09:44:44 +0300
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/*
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* Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*     An observer class used to hand over key events to classes
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*     that can't receive them by themselves (i.e. not CCoeControl derived
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*     classes)
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*
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*/
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#ifndef __MVRKEYOBSERVER_H__
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#define __MVRKEYOBSERVER_H__
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// INCLUDES
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#include <w32std.h>
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// CLASS DECLARATION
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/**
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* An observer class used to hand over key events to classes
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* that can't receive them by themselves (i.e. not CCoeControl derived
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* classes)
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*/
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class MVRKeyObserver 
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    {
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    public: // new methods
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		/**
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		* This function is called when a subject wants to report a key event.
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		* @param aKeyEvent The key event.
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		* @param aType The type of key event: EEventKey, EEventKeyUp
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		*              or EEventKeyDown
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		* @return Indicates whether or not the key event was used.
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		*/
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		virtual TBool ProcessKeyEventL( const TKeyEvent& aKeyEvent,
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										const TEventCode aType ) = 0;
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    };
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#endif // __MVRKEYOBSERVER_H__