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/*
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* Copyright (c) 2004-2009 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: Hid timeout timer
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*
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*/
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#ifndef C_KEYPRESSTIMER_H
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#define C_KEYPRESSTIMER_H
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#include <e32base.h>
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enum TTimerType
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{
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EDoubleClickTimer,
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ELongPressTimer,
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EScanNextPressTimer,
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EScanPrevPressTimer
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};
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/**
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* HID headset driver class
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*
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* This class specifies the function to be called when a timeout occurs.
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* Used in conjunction with CTimeOutTimer class
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*
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*/
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class MTimerNotifier
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{
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public:
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/**
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* The function to be called when a timeout occurs.
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*
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* @param aTimerType a Type of timer
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*/
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virtual void TimerExpired( TTimerType aTimerType ) = 0;
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};
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/**
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* HID headset driver class
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*
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* This class will notify an object after a specified timeout.
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*
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*/
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class CKeyPressTimer : public CTimer
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{
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public:
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/**
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* Two-phased constructor.
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* @param aTimeOutNotify object to notify of timeout event
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* @param aTimeOutTime a Timeout time
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* @paran aTimerType a Type of timer
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* @return keypress timer
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*/
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static CKeyPressTimer* NewL( MTimerNotifier* aTimeOutNotify,
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TTimeIntervalMicroSeconds32 aTimeOutTime, TTimerType aTimerType );
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/**
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* Two-phased constructor.
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* @param aTimeOutNotify object to notify of timeout event
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* @param aTimeOutTime a Timeout time
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* @paran aTimerType a Type of timer
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* @return keypress timer
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*/
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static CKeyPressTimer* NewLC( MTimerNotifier* aTimeOutNotify,
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TTimeIntervalMicroSeconds32 aTimeOutTime, TTimerType aTimerType );
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/**
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* Destructor
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*/
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virtual ~CKeyPressTimer();
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protected:
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/**
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* From CTimer
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* Invoked when a timeout occurs
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*
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*/
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virtual void RunL();
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private:
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/**
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* Constructor
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* @param aTimeOutNotify object to notify of timeout event
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* @paran aTimerType a Type of timer
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*/
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CKeyPressTimer( MTimerNotifier* aTimeOutNotify, TTimerType aTimerType );
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/**
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* Two-phased constructor.
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* @param aTimeOutTime a Timeout time
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*/
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void ConstructL( TTimeIntervalMicroSeconds32 aTimeOutTime );
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private:
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// Member variables
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/**
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* The observer for this objects events
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* Not own.
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*/
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MTimerNotifier* iNotify;
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/**
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* Type of timer
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*/
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TTimerType iTimerType;
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};
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#endif // C_KEYPRESSTIMER_H
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