/*+
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* Copyright (c) 2008-2008 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:   Class for Analog Dialer example application, which+
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*                implements long lasting tactile feed back event+
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*+
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*/+
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+
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#ifndef ANALOGDIALER_FEEDBACK_H+
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#define ANALOGDIALER_FEEDBACK_H+
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+
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#include <e32std.h> +
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+
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// Forward reference+
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class MTouchFeedback;+
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class CPeriodic;+
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+
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// default time values for playing tactile feedback+
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const TInt KFeedbackDefault = 0;+
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+
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/**+
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 *  Class for giving physical feedback about events in the analog dialer+
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 *+
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 *  @since S60 5.0+
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 */+
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class CAlfExAnalogDialerFeedback : public CBase+
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    {+
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public:+
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+
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    +
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    /* Constructors and destructor. */+
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+
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    /**+
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     * First phase construction of CAlfExAnalogDialerFeedback.+
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     *+
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     * @since S60 5.0+
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     */+
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    static CAlfExAnalogDialerFeedback* NewL();+
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+
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    /**+
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     * Destructor of CAlfExAnalogDialerFeedback+
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     * Destroy the object and release all memory objects+
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     *+
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     * @since S60 5.0+
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     */+
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    virtual ~CAlfExAnalogDialerFeedback();+
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    +
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+
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    /* Methods. */+
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+
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    /**+
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     * Starts tactile feedback which lasts for given time+
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     *+
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     * @param aDuration total duration of tactile feedback.+
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     *                  KFeedbackDefaultInterval: feedback is given once only+
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     * @param aInterval interval, when feed back is restarted+
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     *                  KFeedbackDefaultInterval: continuos feedback is given.+
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     *                  if aDuration == KFeedbackDefaultInterval, this parameter+
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     *                  is ignored.+
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     *        +
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     * @since S60 5.0+
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     */+
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    void Start( TInt    aDurationMilliSeconds = KFeedbackDefault,+
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                TInt    aIntervalMilliSeconds = KFeedbackDefault);+
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    +
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    /**+
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     * Stops tactile feedback immediately+
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     *+
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     * @since S60 5.0+
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     */+
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    void Stop();+
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+
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private:+
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+
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+
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    /* Constructors */+
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+
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    /**+
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     * Constructor of CAlfExAnalogDialerFeedback+
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     * @since S60 5.0+
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     */+
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    CAlfExAnalogDialerFeedback();+
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    +
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    /**+
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     * Second phase construction of CAlfExAnalogDialerFeedback.+
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     * Private as this object must be constructed via NewL() or NewLC()+
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     *+
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     * @since S60 5.0+
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     */+
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    void ConstructL();+
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+
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+
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    /* Methods. */+
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+
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    /**+
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     * Handles elapsed interval of feedback clock+
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     *+
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     * @since S60 5.0+
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     */+
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    void DoHandleInterval();+
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+
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    /**+
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     * TCallBack function. Handles elapsed interval of feedback clock. +
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     * Required by CPeriodic.+
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     * +
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     * @return Returns value forced by TCallBack+
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     * @since S60 5.0+
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     */+
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    static TInt HandleInterval(TAny* aThis);+
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+
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private:+
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+
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    /* Member data. */+
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+
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    /**+
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     * Tactile feedback object+
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     * Not own.+
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     */+
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    MTouchFeedback*     iFeedback;+
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    +
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    /**+
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     * Class for implementing continuous feedback effect+
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     * Own.+
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     */+
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    CPeriodic*          iClock;+
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    +
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    /**+
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     * time for duration of current feedback+
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     */     +
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    TInt                iDuration;+
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+
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    /**+
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     * interval of current feedback+
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     */+
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    TInt                iInterval;+
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+
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    /**+
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     * Clock time when feedback stops+
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     */+
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    TTime               iDurationStop;+
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    +
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    };+
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+
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+
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#endif // ANALOGDIALER_FEEDBACK_H+
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