phoneapp/phoneuiutils/inc/cphonetimer.h
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/*
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* Copyright (c) 2002 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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*    Utility class for CTimer object
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*
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*/
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#ifndef CPHONETIMER_H
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#define CPHONETIMER_H
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//  INCLUDES
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#include <e32base.h>
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#include "mphonetimer.h"
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// CLASS DECLARATION
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/**
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*  Utility class for timer 
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*/
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class CPhoneTimer : public CTimer
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        */
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        IMPORT_C static CPhoneTimer* NewL( 
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            TInt aPriority = CActive::EPriorityStandard );
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        /**
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        * Destructor.
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        */
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        IMPORT_C virtual ~CPhoneTimer();
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    public: // New functions
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        /**
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        * The Callback function is called after the interval
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        * All former request will be canceled first
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        */
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        IMPORT_C void After( 
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            TTimeIntervalMicroSeconds32 anInterval,
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            TCallBack aCallBack );
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        /**
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        * Use the maxin class to notify the timer
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        * All former request will be canceled first
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        */
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        IMPORT_C void After( 
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            TTimeIntervalMicroSeconds32 anInterval, 
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            MPhoneTimer* aObserver );
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        /**
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        * Cancel the timer if needed
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        */
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        IMPORT_C void CancelTimer();
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    protected:  // Functions from base classes
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        /**
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        * From CTimer::RunL()
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        */
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        virtual void RunL();
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        /**
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        * From CTimer::DoCancel()
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        */
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        virtual void DoCancel();
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    private:
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        /**
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        * C++ default constructor.
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        */
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        CPhoneTimer( TInt aPriority );
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        /**
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        * By default Symbian OS constructor is private.
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        */
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        void ConstructL();
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        // By default, prohibit copy constructor
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        CPhoneTimer( const CPhoneTimer& );
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        // Prohibit assigment operator
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        CPhoneTimer& operator=( const CPhoneTimer& );
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    private:    // Data
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        // Used by After( anInterval, aCallBack )
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        TCallBack iCallBack;
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        // Used by After( anInterval, aObserver )
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        MPhoneTimer* iTimerObserver;
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    };
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#endif      // CPhoneTimer_H 
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// End of File